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From busc...@apache.org
Subject svn commit: r966168 [2/4] - in /lucene/dev: branches/realtime_search/lucene/src/java/org/apache/lucene/index/ branches/realtime_search/lucene/src/java/org/apache/lucene/util/ branches/realtime_search/lucene/src/test/org/apache/lucene/index/ trunk/lucen...
Date Wed, 21 Jul 2010 10:27:22 GMT
Modified: lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/FreqProxTermsWriter.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/FreqProxTermsWriter.java?rev=966168&r1=966167&r2=966168&view=diff
==============================================================================
--- lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/FreqProxTermsWriter.java (original)
+++ lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/FreqProxTermsWriter.java Wed Jul 21 10:27:20 2010
@@ -19,67 +19,54 @@ package org.apache.lucene.index;
 
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.Collection;
 import java.util.Collections;
-import java.util.Iterator;
+import java.util.Comparator;
 import java.util.List;
 import java.util.Map;
-import java.util.Comparator;
 
-import org.apache.lucene.index.codecs.PostingsConsumer;
+import org.apache.lucene.index.DocumentsWriterPerThread.DocWriter;
 import org.apache.lucene.index.codecs.FieldsConsumer;
+import org.apache.lucene.index.codecs.PostingsConsumer;
 import org.apache.lucene.index.codecs.TermsConsumer;
 import org.apache.lucene.util.BytesRef;
 
 final class FreqProxTermsWriter extends TermsHashConsumer {
 
   @Override
-  public TermsHashConsumerPerThread addThread(TermsHashPerThread perThread) {
-    return new FreqProxTermsWriterPerThread(perThread);
-  }
-
-  @Override
   void closeDocStore(SegmentWriteState state) {}
 
   @Override
   void abort() {}
 
-  private int flushedDocCount;
-
   // TODO: would be nice to factor out more of this, eg the
   // FreqProxFieldMergeState, and code to visit all Fields
   // under the same FieldInfo together, up into TermsHash*.
   // Other writers would presumably share alot of this...
 
   @Override
-  public void flush(Map<TermsHashConsumerPerThread,Collection<TermsHashConsumerPerField>> threadsAndFields, final SegmentWriteState state) throws IOException {
+  public void flush(Map<FieldInfo, TermsHashConsumerPerField> fieldsToFlush, final SegmentWriteState state) throws IOException {
 
     // Gather all FieldData's that have postings, across all
     // ThreadStates
     List<FreqProxTermsWriterPerField> allFields = new ArrayList<FreqProxTermsWriterPerField>();
-    
-    flushedDocCount = state.numDocs;
-
-    for (Map.Entry<TermsHashConsumerPerThread,Collection<TermsHashConsumerPerField>> entry : threadsAndFields.entrySet()) {
-
-      Collection<TermsHashConsumerPerField> fields = entry.getValue();
-
 
-      for (final TermsHashConsumerPerField i : fields) {
-        final FreqProxTermsWriterPerField perField = (FreqProxTermsWriterPerField) i;
-        if (perField.termsHashPerField.numPostings > 0)
+    for (TermsHashConsumerPerField f : fieldsToFlush.values()) {
+        final FreqProxTermsWriterPerField perField = (FreqProxTermsWriterPerField) f;
+        if (perField.termsHashPerField.numPostings > 0) {
           allFields.add(perField);
-      }
+        }
     }
 
     final int numAllFields = allFields.size();
-
-    // Sort by field name
+    
+    // sort by field name
     Collections.sort(allFields);
 
     // TODO: allow Lucene user to customize this codec:
     final FieldsConsumer consumer = state.codec.fieldsConsumer(state);
 
+    TermsHash termsHash = null;
+    
     /*
     Current writer chain:
       FieldsConsumer
@@ -92,208 +79,44 @@ final class FreqProxTermsWriter extends 
                     -> IMPL: FormatPostingsPositionsWriter
     */
 
-    int start = 0;
-    while(start < numAllFields) {
-      final FieldInfo fieldInfo = allFields.get(start).fieldInfo;
-      final String fieldName = fieldInfo.name;
-
-      int end = start+1;
-      while(end < numAllFields && allFields.get(end).fieldInfo.name.equals(fieldName))
-        end++;
+    for (int fieldNumber = 0; fieldNumber < numAllFields; fieldNumber++) {
+      final FieldInfo fieldInfo = allFields.get(fieldNumber).fieldInfo;
       
-      FreqProxTermsWriterPerField[] fields = new FreqProxTermsWriterPerField[end-start];
-      for(int i=start;i<end;i++) {
-        fields[i-start] = allFields.get(i);
-
-        // Aggregate the storePayload as seen by the same
-        // field across multiple threads
-        fieldInfo.storePayloads |= fields[i-start].hasPayloads;
-      }
+      FreqProxTermsWriterPerField fieldWriter = allFields.get(fieldNumber);
+      fieldInfo.storePayloads |= fieldWriter.hasPayloads;
 
       // If this field has postings then add them to the
       // segment
-      appendPostings(fields, consumer);
-
-      for(int i=0;i<fields.length;i++) {
-        TermsHashPerField perField = fields[i].termsHashPerField;
-        int numPostings = perField.numPostings;
-        perField.reset();
-        perField.shrinkHash(numPostings);
-        fields[i].reset();
-      }
+      fieldWriter.flush(consumer, state);
 
-      start = end;
+      TermsHashPerField perField = fieldWriter.termsHashPerField;
+      assert termsHash == null || termsHash == perField.termsHash;
+      termsHash = perField.termsHash;
+      int numPostings = perField.numPostings;
+      perField.reset();
+      perField.shrinkHash(numPostings);
+      fieldWriter.reset();
     }
 
-    for (Map.Entry<TermsHashConsumerPerThread,Collection<TermsHashConsumerPerField>> entry : threadsAndFields.entrySet()) {
-      FreqProxTermsWriterPerThread perThread = (FreqProxTermsWriterPerThread) entry.getKey();
-      perThread.termsHashPerThread.reset(true);
+    if (termsHash != null) {
+      termsHash.reset();
     }
     consumer.close();
   }
 
   BytesRef payload;
 
-  /* Walk through all unique text tokens (Posting
-   * instances) found in this field and serialize them
-   * into a single RAM segment. */
-  void appendPostings(FreqProxTermsWriterPerField[] fields,
-                      FieldsConsumer consumer)
-    throws CorruptIndexException, IOException {
-
-    int numFields = fields.length;
-
-    final BytesRef text = new BytesRef();
-
-    final FreqProxFieldMergeState[] mergeStates = new FreqProxFieldMergeState[numFields];
-
-    final TermsConsumer termsConsumer = consumer.addField(fields[0].fieldInfo);
-    final Comparator<BytesRef> termComp = termsConsumer.getComparator();
-
-    for(int i=0;i<numFields;i++) {
-      FreqProxFieldMergeState fms = mergeStates[i] = new FreqProxFieldMergeState(fields[i], termComp);
-
-      assert fms.field.fieldInfo == fields[0].fieldInfo;
-
-      // Should always be true
-      boolean result = fms.nextTerm();
-      assert result;
-    }
-
-    FreqProxFieldMergeState[] termStates = new FreqProxFieldMergeState[numFields];
-
-    final boolean currentFieldOmitTermFreqAndPositions = fields[0].fieldInfo.omitTermFreqAndPositions;
-    //System.out.println("flush terms field=" + fields[0].fieldInfo.name);
-
-    // TODO: really TermsHashPerField should take over most
-    // of this loop, including merge sort of terms from
-    // multiple threads and interacting with the
-    // TermsConsumer, only calling out to us (passing us the
-    // DocsConsumer) to handle delivery of docs/positions
-    while(numFields > 0) {
-
-      // Get the next term to merge
-      termStates[0] = mergeStates[0];
-      int numToMerge = 1;
-
-      // TODO: pqueue
-      for(int i=1;i<numFields;i++) {
-        final int cmp = termComp.compare(mergeStates[i].text, termStates[0].text);
-        if (cmp < 0) {
-          termStates[0] = mergeStates[i];
-          numToMerge = 1;
-        } else if (cmp == 0) {
-          termStates[numToMerge++] = mergeStates[i];
-        }
-      }
-
-      // Need shallow copy here because termStates[0].text
-      // changes by the time we call finishTerm
-      text.bytes = termStates[0].text.bytes;
-      text.offset = termStates[0].text.offset;
-      text.length = termStates[0].text.length;  
-
-      //System.out.println("  term=" + text.toUnicodeString());
-      //System.out.println("  term=" + text.toString());
-
-      final PostingsConsumer postingsConsumer = termsConsumer.startTerm(text);
-
-      // Now termStates has numToMerge FieldMergeStates
-      // which all share the same term.  Now we must
-      // interleave the docID streams.
-      int numDocs = 0;
-      while(numToMerge > 0) {
-        
-        FreqProxFieldMergeState minState = termStates[0];
-        for(int i=1;i<numToMerge;i++) {
-          if (termStates[i].docID < minState.docID) {
-            minState = termStates[i];
-          }
-        }
-
-        final int termDocFreq = minState.termFreq;
-        numDocs++;
-
-        assert minState.docID < flushedDocCount: "doc=" + minState.docID + " maxDoc=" + flushedDocCount;
-
-        postingsConsumer.startDoc(minState.docID, termDocFreq);
-
-        final ByteSliceReader prox = minState.prox;
-
-        // Carefully copy over the prox + payload info,
-        // changing the format to match Lucene's segment
-        // format.
-        if (!currentFieldOmitTermFreqAndPositions) {
-          // omitTermFreqAndPositions == false so we do write positions &
-          // payload          
-          int position = 0;
-          for(int j=0;j<termDocFreq;j++) {
-            final int code = prox.readVInt();
-            position += code >> 1;
-            //System.out.println("    pos=" + position);
-
-            final int payloadLength;
-            final BytesRef thisPayload;
-
-            if ((code & 1) != 0) {
-              // This position has a payload
-              payloadLength = prox.readVInt();  
-              
-              if (payload == null) {
-                payload = new BytesRef();
-                payload.bytes = new byte[payloadLength];
-              } else if (payload.bytes.length < payloadLength) {
-                payload.grow(payloadLength);
-              }
-
-              prox.readBytes(payload.bytes, 0, payloadLength);
-              payload.length = payloadLength;
-              thisPayload = payload;
-
-            } else {
-              payloadLength = 0;
-              thisPayload = null;
-            }
-
-            postingsConsumer.addPosition(position, thisPayload);
-          } //End for
-
-          postingsConsumer.finishDoc();
-        }
-
-        if (!minState.nextDoc()) {
-
-          // Remove from termStates
-          int upto = 0;
-          // TODO: inefficient O(N) where N = number of
-          // threads that had seen this term:
-          for(int i=0;i<numToMerge;i++) {
-            if (termStates[i] != minState) {
-              termStates[upto++] = termStates[i];
-            }
-          }
-          numToMerge--;
-          assert upto == numToMerge;
-
-          // Advance this state to the next term
-
-          if (!minState.nextTerm()) {
-            // OK, no more terms, so remove from mergeStates
-            // as well
-            upto = 0;
-            for(int i=0;i<numFields;i++)
-              if (mergeStates[i] != minState)
-                mergeStates[upto++] = mergeStates[i];
-            numFields--;
-            assert upto == numFields;
-          }
-        }
-      }
+  @Override
+  public TermsHashConsumerPerField addField(TermsHashPerField termsHashPerField, FieldInfo fieldInfo) {
+    return new FreqProxTermsWriterPerField(termsHashPerField, this, fieldInfo);
+  }
 
-      assert numDocs > 0;
-      termsConsumer.finishTerm(text, numDocs);
-    }
+  @Override
+  DocWriter finishDocument() throws IOException {
+    return null;
+  }
 
-    termsConsumer.finish();
+  @Override
+  void startDocument() throws IOException {
   }
 }

Modified: lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/FreqProxTermsWriterPerField.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/FreqProxTermsWriterPerField.java?rev=966168&r1=966167&r2=966168&view=diff
==============================================================================
--- lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/FreqProxTermsWriterPerField.java (original)
+++ lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/FreqProxTermsWriterPerField.java Wed Jul 21 10:27:20 2010
@@ -18,26 +18,31 @@ package org.apache.lucene.index;
  */
 
 import java.io.IOException;
+import java.util.Comparator;
 
 import org.apache.lucene.analysis.tokenattributes.PayloadAttribute;
 import org.apache.lucene.document.Fieldable;
+import org.apache.lucene.index.codecs.FieldsConsumer;
+import org.apache.lucene.index.codecs.PostingsConsumer;
+import org.apache.lucene.index.codecs.TermsConsumer;
+import org.apache.lucene.util.BytesRef;
 
 // TODO: break into separate freq and prox writers as
 // codecs; make separate container (tii/tis/skip/*) that can
 // be configured as any number of files 1..N
 final class FreqProxTermsWriterPerField extends TermsHashConsumerPerField implements Comparable<FreqProxTermsWriterPerField> {
 
-  final FreqProxTermsWriterPerThread perThread;
+  final FreqProxTermsWriter parent;
   final TermsHashPerField termsHashPerField;
   final FieldInfo fieldInfo;
-  final DocumentsWriter.DocState docState;
+  final DocumentsWriterPerThread.DocState docState;
   final FieldInvertState fieldState;
   boolean omitTermFreqAndPositions;
   PayloadAttribute payloadAttribute;
 
-  public FreqProxTermsWriterPerField(TermsHashPerField termsHashPerField, FreqProxTermsWriterPerThread perThread, FieldInfo fieldInfo) {
+  public FreqProxTermsWriterPerField(TermsHashPerField termsHashPerField, FreqProxTermsWriter parent, FieldInfo fieldInfo) {
     this.termsHashPerField = termsHashPerField;
-    this.perThread = perThread;
+    this.parent = parent;
     this.fieldInfo = fieldInfo;
     docState = termsHashPerField.docState;
     fieldState = termsHashPerField.fieldState;
@@ -205,10 +210,138 @@ final class FreqProxTermsWriterPerField 
 
     @Override
     int bytesPerPosting() {
-      return ParallelPostingsArray.BYTES_PER_POSTING + 4 * DocumentsWriter.INT_NUM_BYTE;
+      return ParallelPostingsArray.BYTES_PER_POSTING + 4 * DocumentsWriterRAMAllocator.INT_NUM_BYTE;
     }
   }
   
   public void abort() {}
+  
+  BytesRef payload;
+  
+  /* Walk through all unique text tokens (Posting
+   * instances) found in this field and serialize them
+   * into a single RAM segment. */
+  void flush(FieldsConsumer consumer,  final SegmentWriteState state)
+    throws CorruptIndexException, IOException {
+
+    final TermsConsumer termsConsumer = consumer.addField(fieldInfo);
+    final Comparator<BytesRef> termComp = termsConsumer.getComparator();
+
+    final boolean currentFieldOmitTermFreqAndPositions = fieldInfo.omitTermFreqAndPositions;
+    
+    final int[] termIDs = termsHashPerField.sortPostings(termComp);
+    final int numTerms = termsHashPerField.numPostings;
+    final BytesRef text = new BytesRef();
+    final FreqProxPostingsArray postings = (FreqProxPostingsArray) termsHashPerField.postingsArray;
+    final ByteSliceReader freq = new ByteSliceReader();
+    final ByteSliceReader prox = new ByteSliceReader();
+
+    
+    for (int i = 0; i < numTerms; i++) {
+      final int termID = termIDs[i];
+      // Get BytesRef
+      final int textStart = postings.textStarts[termID];
+      termsHashPerField.bytePool.setBytesRef(text, textStart);
+      
+      termsHashPerField.initReader(freq, termID, 0);
+      if (!fieldInfo.omitTermFreqAndPositions) {
+        termsHashPerField.initReader(prox, termID, 1);
+      }
+  
+      // TODO: really TermsHashPerField should take over most
+      // of this loop, including merge sort of terms from
+      // multiple threads and interacting with the
+      // TermsConsumer, only calling out to us (passing us the
+      // DocsConsumer) to handle delivery of docs/positions
+    
+      final PostingsConsumer postingsConsumer = termsConsumer.startTerm(text);
+  
+      // Now termStates has numToMerge FieldMergeStates
+      // which all share the same term.  Now we must
+      // interleave the docID streams.
+      int numDocs = 0;
+      int docID = 0;
+      int termFreq = 0;
+      
+      while(true) {
+        if (freq.eof()) {
+          if (postings.lastDocCodes[termID] != -1) {
+            // Return last doc
+            docID = postings.lastDocIDs[termID];
+            if (!omitTermFreqAndPositions) {
+              termFreq = postings.docFreqs[termID];
+            }
+            postings.lastDocCodes[termID] = -1;
+          } else {
+            // EOF
+            break;
+          }
+        } else {
+          final int code = freq.readVInt();
+          if (omitTermFreqAndPositions) {
+            docID += code;
+          } else {
+            docID += code >>> 1;
+            if ((code & 1) != 0) {
+              termFreq = 1;
+            } else {
+              termFreq = freq.readVInt();
+            }
+          }
+    
+          assert docID != postings.lastDocIDs[termID];
+        }
+        
+        numDocs++;
+        assert docID < state.numDocs: "doc=" + docID + " maxDoc=" + state.numDocs;
+        final int termDocFreq = termFreq;
+        postingsConsumer.startDoc(docID, termDocFreq);
+    
+        // Carefully copy over the prox + payload info,
+        // changing the format to match Lucene's segment
+        // format.
+        if (!currentFieldOmitTermFreqAndPositions) {
+          // omitTermFreqAndPositions == false so we do write positions &
+          // payload          
+          int position = 0;
+          for(int j=0;j<termDocFreq;j++) {
+            final int code = prox.readVInt();
+            position += code >> 1;
+    
+            final int payloadLength;
+            final BytesRef thisPayload;
+    
+            if ((code & 1) != 0) {
+              // This position has a payload
+              payloadLength = prox.readVInt();  
+              
+              if (payload == null) {
+                payload = new BytesRef();
+                payload.bytes = new byte[payloadLength];
+              } else if (payload.bytes.length < payloadLength) {
+                payload.grow(payloadLength);
+              }
+    
+              prox.readBytes(payload.bytes, 0, payloadLength);
+              payload.length = payloadLength;
+              thisPayload = payload;
+    
+            } else {
+              payloadLength = 0;
+              thisPayload = null;
+            }
+    
+            postingsConsumer.addPosition(position, thisPayload);
+          } 
+    
+          postingsConsumer.finishDoc();
+        }
+      } 
+      termsConsumer.finishTerm(text, numDocs);
+    }
+  
+    termsConsumer.finish();
+  }
+
 }
 

Modified: lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/IndexWriterConfig.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/IndexWriterConfig.java?rev=966168&r1=966167&r2=966168&view=diff
==============================================================================
--- lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/IndexWriterConfig.java (original)
+++ lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/IndexWriterConfig.java Wed Jul 21 10:27:20 2010
@@ -18,7 +18,7 @@ package org.apache.lucene.index;
  */
 
 import org.apache.lucene.analysis.Analyzer;
-import org.apache.lucene.index.DocumentsWriter.IndexingChain;
+import org.apache.lucene.index.DocumentsWriterPerThread.IndexingChain;
 import org.apache.lucene.index.IndexWriter.IndexReaderWarmer;
 import org.apache.lucene.index.codecs.CodecProvider;
 import org.apache.lucene.search.Similarity;
@@ -128,8 +128,8 @@ public final class IndexWriterConfig imp
   private IndexReaderWarmer mergedSegmentWarmer;
   private CodecProvider codecProvider;
   private MergePolicy mergePolicy;
-  private int maxThreadStates;
   private boolean readerPooling;
+  private DocumentsWriterThreadPool indexerThreadPool;
   private int readerTermsIndexDivisor;
   
   // required for clone
@@ -156,12 +156,12 @@ public final class IndexWriterConfig imp
     maxBufferedDeleteTerms = DEFAULT_MAX_BUFFERED_DELETE_TERMS;
     ramBufferSizeMB = DEFAULT_RAM_BUFFER_SIZE_MB;
     maxBufferedDocs = DEFAULT_MAX_BUFFERED_DOCS;
-    indexingChain = DocumentsWriter.defaultIndexingChain;
+    indexingChain = DocumentsWriterPerThread.defaultIndexingChain;
     mergedSegmentWarmer = null;
     codecProvider = DEFAULT_CODEC_PROVIDER;
     mergePolicy = new LogByteSizeMergePolicy();
-    maxThreadStates = DEFAULT_MAX_THREAD_STATES;
     readerPooling = DEFAULT_READER_POOLING;
+    indexerThreadPool = new ThreadAffinityDocumentsWriterThreadPool(DEFAULT_MAX_THREAD_STATES);
     readerTermsIndexDivisor = DEFAULT_READER_TERMS_INDEX_DIVISOR;
   }
   
@@ -548,15 +548,19 @@ public final class IndexWriterConfig imp
    * <code>maxThreadStates</code> will be set to
    * {@link #DEFAULT_MAX_THREAD_STATES}.
    */
-  public IndexWriterConfig setMaxThreadStates(int maxThreadStates) {
-    this.maxThreadStates = maxThreadStates < 1 ? DEFAULT_MAX_THREAD_STATES : maxThreadStates;
+  public IndexWriterConfig setIndexerThreadPool(DocumentsWriterThreadPool threadPool) {
+    this.indexerThreadPool = threadPool;
     return this;
   }
 
+  public DocumentsWriterThreadPool getIndexerThreadPool() {
+    return this.indexerThreadPool;
+  }
+  
   /** Returns the max number of simultaneous threads that
    *  may be indexing documents at once in IndexWriter. */
   public int getMaxThreadStates() {
-    return maxThreadStates;
+    return indexerThreadPool.getMaxThreadStates();
   }
 
   /** By default, IndexWriter does not pool the
@@ -580,7 +584,7 @@ public final class IndexWriterConfig imp
 
   /** Expert: sets the {@link DocConsumer} chain to be used to process documents. */
   IndexWriterConfig setIndexingChain(IndexingChain indexingChain) {
-    this.indexingChain = indexingChain == null ? DocumentsWriter.defaultIndexingChain : indexingChain;
+    this.indexingChain = indexingChain == null ? DocumentsWriterPerThread.defaultIndexingChain : indexingChain;
     return this;
   }
   
@@ -626,7 +630,8 @@ public final class IndexWriterConfig imp
     sb.append("mergedSegmentWarmer=").append(mergedSegmentWarmer).append("\n");
     sb.append("codecProvider=").append(codecProvider).append("\n");
     sb.append("mergePolicy=").append(mergePolicy).append("\n");
-    sb.append("maxThreadStates=").append(maxThreadStates).append("\n");
+    sb.append("indexerThreadPool=").append(indexerThreadPool).append("\n");
+    sb.append("maxThreadStates=").append(indexerThreadPool.getMaxThreadStates()).append("\n");
     sb.append("readerPooling=").append(readerPooling).append("\n");
     sb.append("readerTermsIndexDivisor=").append(readerTermsIndexDivisor).append("\n");
     return sb.toString();

Modified: lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/IntBlockPool.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/IntBlockPool.java?rev=966168&r1=966167&r2=966168&view=diff
==============================================================================
--- lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/IntBlockPool.java (original)
+++ lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/IntBlockPool.java Wed Jul 21 10:27:20 2010
@@ -22,14 +22,14 @@ final class IntBlockPool {
   public int[][] buffers = new int[10][];
 
   int bufferUpto = -1;                        // Which buffer we are upto
-  public int intUpto = DocumentsWriter.INT_BLOCK_SIZE;             // Where we are in head buffer
+  public int intUpto = DocumentsWriterRAMAllocator.INT_BLOCK_SIZE;             // Where we are in head buffer
 
   public int[] buffer;                              // Current head buffer
-  public int intOffset = -DocumentsWriter.INT_BLOCK_SIZE;          // Current head offset
+  public int intOffset = -DocumentsWriterRAMAllocator.INT_BLOCK_SIZE;          // Current head offset
 
-  final private DocumentsWriter docWriter;
+  final private DocumentsWriterPerThread docWriter;
 
-  public IntBlockPool(DocumentsWriter docWriter) {
+  public IntBlockPool(DocumentsWriterPerThread docWriter) {
     this.docWriter = docWriter;
   }
 
@@ -37,7 +37,7 @@ final class IntBlockPool {
     if (bufferUpto != -1) {
       if (bufferUpto > 0)
         // Recycle all but the first buffer
-        docWriter.recycleIntBlocks(buffers, 1, 1+bufferUpto);
+        docWriter.ramAllocator.recycleIntBlocks(buffers, 1, 1+bufferUpto);
 
       // Reuse first buffer
       bufferUpto = 0;
@@ -53,11 +53,11 @@ final class IntBlockPool {
       System.arraycopy(buffers, 0, newBuffers, 0, buffers.length);
       buffers = newBuffers;
     }
-    buffer = buffers[1+bufferUpto] = docWriter.getIntBlock();
+    buffer = buffers[1+bufferUpto] = docWriter.ramAllocator.getIntBlock();
     bufferUpto++;
 
     intUpto = 0;
-    intOffset += DocumentsWriter.INT_BLOCK_SIZE;
+    intOffset += DocumentsWriterRAMAllocator.INT_BLOCK_SIZE;
   }
 }
 

Modified: lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/InvertedDocConsumer.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/InvertedDocConsumer.java?rev=966168&r1=966167&r2=966168&view=diff
==============================================================================
--- lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/InvertedDocConsumer.java (original)
+++ lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/InvertedDocConsumer.java Wed Jul 21 10:27:20 2010
@@ -17,24 +17,26 @@ package org.apache.lucene.index;
  * limitations under the License.
  */
 
-import java.util.Collection;
-import java.util.Map;
 import java.io.IOException;
+import java.util.Map;
 
 abstract class InvertedDocConsumer {
 
-  /** Add a new thread */
-  abstract InvertedDocConsumerPerThread addThread(DocInverterPerThread docInverterPerThread);
-
   /** Abort (called after hitting AbortException) */
   abstract void abort();
 
   /** Flush a new segment */
-  abstract void flush(Map<InvertedDocConsumerPerThread,Collection<InvertedDocConsumerPerField>> threadsAndFields, SegmentWriteState state) throws IOException;
+  abstract void flush(Map<FieldInfo, InvertedDocConsumerPerField> fieldsToFlush, SegmentWriteState state) throws IOException;
 
   /** Close doc stores */
   abstract void closeDocStore(SegmentWriteState state) throws IOException;
 
+  abstract InvertedDocConsumerPerField addField(DocInverterPerField docInverterPerField, FieldInfo fieldInfo);
+  
+  abstract void startDocument() throws IOException;
+  
+  abstract DocumentsWriterPerThread.DocWriter finishDocument() throws IOException;
+  
   /** Attempt to free RAM, returning true if any RAM was
    *  freed */
   abstract boolean freeRAM();

Modified: lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/InvertedDocEndConsumer.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/InvertedDocEndConsumer.java?rev=966168&r1=966167&r2=966168&view=diff
==============================================================================
--- lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/InvertedDocEndConsumer.java (original)
+++ lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/InvertedDocEndConsumer.java Wed Jul 21 10:27:20 2010
@@ -17,14 +17,15 @@ package org.apache.lucene.index;
  * limitations under the License.
  */
 
-import java.util.Collection;
-import java.util.Map;
 import java.io.IOException;
+import java.util.Map;
 
 abstract class InvertedDocEndConsumer {
-  abstract InvertedDocEndConsumerPerThread addThread(DocInverterPerThread docInverterPerThread);
-  abstract void flush(Map<InvertedDocEndConsumerPerThread,Collection<InvertedDocEndConsumerPerField>> threadsAndFields, SegmentWriteState state) throws IOException;
+  abstract void flush(Map<FieldInfo, InvertedDocEndConsumerPerField> fieldsToFlush, SegmentWriteState state) throws IOException;
   abstract void closeDocStore(SegmentWriteState state) throws IOException;
   abstract void abort();
   abstract void setFieldInfos(FieldInfos fieldInfos);
+  abstract InvertedDocEndConsumerPerField addField(DocInverterPerField docInverterPerField, FieldInfo fieldInfo);
+  abstract void startDocument() throws IOException;
+  abstract void finishDocument() throws IOException;
 }

Modified: lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/NormsWriter.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/NormsWriter.java?rev=966168&r1=966167&r2=966168&view=diff
==============================================================================
--- lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/NormsWriter.java (original)
+++ lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/NormsWriter.java Wed Jul 21 10:27:20 2010
@@ -19,14 +19,10 @@ package org.apache.lucene.index;
 
 import java.io.IOException;
 import java.util.Collection;
-import java.util.Iterator;
-import java.util.HashMap;
 import java.util.Map;
-import java.util.List;
-import java.util.ArrayList;
 
-import org.apache.lucene.store.IndexOutput;
 import org.apache.lucene.search.Similarity;
+import org.apache.lucene.store.IndexOutput;
 
 // TODO FI: norms could actually be stored as doc store
 
@@ -39,10 +35,6 @@ final class NormsWriter extends Inverted
 
   private static final byte defaultNorm = Similarity.getDefault().encodeNormValue(1.0f);
   private FieldInfos fieldInfos;
-  @Override
-  public InvertedDocEndConsumerPerThread addThread(DocInverterPerThread docInverterPerThread) {
-    return new NormsWriterPerThread(docInverterPerThread, this);
-  }
 
   @Override
   public void abort() {}
@@ -58,35 +50,7 @@ final class NormsWriter extends Inverted
   /** Produce _X.nrm if any document had a field with norms
    *  not disabled */
   @Override
-  public void flush(Map<InvertedDocEndConsumerPerThread,Collection<InvertedDocEndConsumerPerField>> threadsAndFields, SegmentWriteState state) throws IOException {
-
-    final Map<FieldInfo,List<NormsWriterPerField>> byField = new HashMap<FieldInfo,List<NormsWriterPerField>>();
-
-    // Typically, each thread will have encountered the same
-    // field.  So first we collate by field, ie, all
-    // per-thread field instances that correspond to the
-    // same FieldInfo
-    for (final Map.Entry<InvertedDocEndConsumerPerThread,Collection<InvertedDocEndConsumerPerField>> entry : threadsAndFields.entrySet()) {
-      final Collection<InvertedDocEndConsumerPerField> fields = entry.getValue();
-      final Iterator<InvertedDocEndConsumerPerField> fieldsIt = fields.iterator();
-
-      while (fieldsIt.hasNext()) {
-        final NormsWriterPerField perField = (NormsWriterPerField) fieldsIt.next();
-
-        if (perField.upto > 0) {
-          // It has some norms
-          List<NormsWriterPerField> l = byField.get(perField.fieldInfo);
-          if (l == null) {
-            l = new ArrayList<NormsWriterPerField>();
-            byField.put(perField.fieldInfo, l);
-          }
-          l.add(perField);
-        } else
-          // Remove this field since we haven't seen it
-          // since the previous flush
-          fieldsIt.remove();
-      }
-    }
+  public void flush(Map<FieldInfo,InvertedDocEndConsumerPerField> fieldsToFlush, SegmentWriteState state) throws IOException {
 
     final String normsFileName = IndexFileNames.segmentFileName(state.segmentName, "", IndexFileNames.NORMS_EXTENSION);
     state.flushedFiles.add(normsFileName);
@@ -103,60 +67,26 @@ final class NormsWriter extends Inverted
 
         final FieldInfo fieldInfo = fieldInfos.fieldInfo(fieldNumber);
 
-        List<NormsWriterPerField> toMerge = byField.get(fieldInfo);
-        int upto = 0;
-        if (toMerge != null) {
-
-          final int numFields = toMerge.size();
+        NormsWriterPerField toWrite = (NormsWriterPerField) fieldsToFlush.get(fieldInfo);
 
+        int upto = 0;
+        if (toWrite != null && toWrite.upto > 0) {
           normCount++;
 
-          final NormsWriterPerField[] fields = new NormsWriterPerField[numFields];
-          int[] uptos = new int[numFields];
-
-          for(int j=0;j<numFields;j++)
-            fields[j] = toMerge.get(j);
-
-          int numLeft = numFields;
-              
-          while(numLeft > 0) {
-
-            assert uptos[0] < fields[0].docIDs.length : " uptos[0]=" + uptos[0] + " len=" + (fields[0].docIDs.length);
-
-            int minLoc = 0;
-            int minDocID = fields[0].docIDs[uptos[0]];
-
-            for(int j=1;j<numLeft;j++) {
-              final int docID = fields[j].docIDs[uptos[j]];
-              if (docID < minDocID) {
-                minDocID = docID;
-                minLoc = j;
-              }
-            }
-
-            assert minDocID < state.numDocs;
-
-            // Fill hole
-            for(;upto<minDocID;upto++)
+          int docID = 0;
+          for (; docID < state.numDocs; docID++) {
+            if (upto < toWrite.upto && toWrite.docIDs[upto] == docID) {
+              normsOut.writeByte(toWrite.norms[upto]);
+              upto++;
+            } else {
               normsOut.writeByte(defaultNorm);
-
-            normsOut.writeByte(fields[minLoc].norms[uptos[minLoc]]);
-            (uptos[minLoc])++;
-            upto++;
-
-            if (uptos[minLoc] == fields[minLoc].upto) {
-              fields[minLoc].reset();
-              if (minLoc != numLeft-1) {
-                fields[minLoc] = fields[numLeft-1];
-                uptos[minLoc] = uptos[numLeft-1];
-              }
-              numLeft--;
             }
           }
-          
-          // Fill final hole with defaultNorm
-          for(;upto<state.numDocs;upto++)
-            normsOut.writeByte(defaultNorm);
+
+          // we should have consumed every norm
+          assert upto == toWrite.upto;
+
+          toWrite.reset();
         } else if (fieldInfo.isIndexed && !fieldInfo.omitNorms) {
           normCount++;
           // Fill entire field with default norm:
@@ -174,4 +104,17 @@ final class NormsWriter extends Inverted
 
   @Override
   void closeDocStore(SegmentWriteState state) {}
+
+  
+  @Override
+  void finishDocument() throws IOException {}
+
+  @Override
+  void startDocument() throws IOException {}
+
+  @Override
+  InvertedDocEndConsumerPerField addField(DocInverterPerField docInverterPerField,
+      FieldInfo fieldInfo) {
+    return new NormsWriterPerField(docInverterPerField, fieldInfo);
+  }
 }

Modified: lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/NormsWriterPerField.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/NormsWriterPerField.java?rev=966168&r1=966167&r2=966168&view=diff
==============================================================================
--- lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/NormsWriterPerField.java (original)
+++ lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/NormsWriterPerField.java Wed Jul 21 10:27:20 2010
@@ -27,9 +27,8 @@ import org.apache.lucene.search.Similari
 
 final class NormsWriterPerField extends InvertedDocEndConsumerPerField implements Comparable<NormsWriterPerField> {
 
-  final NormsWriterPerThread perThread;
   final FieldInfo fieldInfo;
-  final DocumentsWriter.DocState docState;
+  final DocumentsWriterPerThread.DocState docState;
 
   // Holds all docID/norm pairs we've seen
   int[] docIDs = new int[1];
@@ -45,10 +44,9 @@ final class NormsWriterPerField extends 
     upto = 0;
   }
 
-  public NormsWriterPerField(final DocInverterPerField docInverterPerField, final NormsWriterPerThread perThread, final FieldInfo fieldInfo) {
-    this.perThread = perThread;
+  public NormsWriterPerField(final DocInverterPerField docInverterPerField, final FieldInfo fieldInfo) {
     this.fieldInfo = fieldInfo;
-    docState = perThread.docState;
+    docState = docInverterPerField.docState;
     fieldState = docInverterPerField.fieldState;
   }
 

Modified: lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/ParallelPostingsArray.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/ParallelPostingsArray.java?rev=966168&r1=966167&r2=966168&view=diff
==============================================================================
--- lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/ParallelPostingsArray.java (original)
+++ lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/ParallelPostingsArray.java Wed Jul 21 10:27:20 2010
@@ -21,7 +21,7 @@ import org.apache.lucene.util.ArrayUtil;
 
 
 class ParallelPostingsArray {
-  final static int BYTES_PER_POSTING = 3 * DocumentsWriter.INT_NUM_BYTE;
+  final static int BYTES_PER_POSTING = 3 * DocumentsWriterRAMAllocator.INT_NUM_BYTE;
 
   final int size;
   final int[] textStarts;

Modified: lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/SegmentInfo.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/SegmentInfo.java?rev=966168&r1=966167&r2=966168&view=diff
==============================================================================
--- lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/SegmentInfo.java (original)
+++ lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/SegmentInfo.java Wed Jul 21 10:27:20 2010
@@ -81,6 +81,8 @@ public final class SegmentInfo {
   
   private Codec codec;
 
+  private long minSequenceID = -1;
+  private long maxSequenceID = -1;
 
   private Map<String,String> diagnostics;
 
@@ -120,6 +122,7 @@ public final class SegmentInfo {
     isCompoundFile = src.isCompoundFile;
     delCount = src.delCount;
     codec = src.codec;
+    minSequenceID = src.minSequenceID;
   }
 
   void setDiagnostics(Map<String, String> diagnostics) {
@@ -129,6 +132,24 @@ public final class SegmentInfo {
   public Map<String, String> getDiagnostics() {
     return diagnostics;
   }
+  
+  public long getMinSequenceID() {
+    return this.minSequenceID;
+  }
+  
+  //nocommit - constructor?
+  public void setMinSequenceID(long minID) {
+    this.minSequenceID = minID;
+  }
+  
+  public long getMaxSequenceID() {
+    return this.maxSequenceID;
+  }
+  
+  //nocommit - constructor?
+  public void setMaxSequenceID(long maxID) {
+    this.maxSequenceID = maxID;
+  }
 
   /**
    * Construct a new SegmentInfo instance by reading a

Modified: lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/StoredFieldsWriter.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/StoredFieldsWriter.java?rev=966168&r1=966167&r2=966168&view=diff
==============================================================================
--- lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/StoredFieldsWriter.java (original)
+++ lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/StoredFieldsWriter.java Wed Jul 21 10:27:20 2010
@@ -18,6 +18,9 @@ package org.apache.lucene.index;
  */
 
 import java.io.IOException;
+
+import org.apache.lucene.document.Fieldable;
+import org.apache.lucene.store.IndexOutput;
 import org.apache.lucene.store.RAMOutputStream;
 import org.apache.lucene.util.ArrayUtil;
 import org.apache.lucene.util.RamUsageEstimator;
@@ -26,24 +29,37 @@ import org.apache.lucene.util.RamUsageEs
 final class StoredFieldsWriter {
 
   FieldsWriter fieldsWriter;
-  final DocumentsWriter docWriter;
+  final FieldsWriter localFieldsWriter;
+  final DocumentsWriterPerThread docWriter;
   final FieldInfos fieldInfos;
   int lastDocID;
   private String docStoreSegment;
 
   PerDoc[] docFreeList = new PerDoc[1];
   int freeCount;
+  
+  PerDoc doc;
+  final DocumentsWriterPerThread.DocState docState;
 
-  public StoredFieldsWriter(DocumentsWriter docWriter, FieldInfos fieldInfos) {
+  public StoredFieldsWriter(DocumentsWriterPerThread docWriter, FieldInfos fieldInfos) {
     this.docWriter = docWriter;
     this.fieldInfos = fieldInfos;
+    this.docState = docWriter.docState;
+    localFieldsWriter = new FieldsWriter((IndexOutput) null, (IndexOutput) null, fieldInfos);
   }
 
-  public StoredFieldsWriterPerThread addThread(DocumentsWriter.DocState docState) throws IOException {
-    return new StoredFieldsWriterPerThread(docState, this);
+  public void startDocument() {
+    if (doc != null) {
+      // Only happens if previous document hit non-aborting
+      // exception while writing stored fields into
+      // localFieldsWriter:
+      doc.reset();
+      doc.docID = docState.docID;
+    }
   }
 
-  synchronized public void flush(SegmentWriteState state) throws IOException {
+
+  public void flush(SegmentWriteState state) throws IOException {
 
     if (state.numDocsInStore > 0) {
       // It's possible that all documents seen in this segment
@@ -74,7 +90,7 @@ final class StoredFieldsWriter {
     }
   }
 
-  synchronized public void closeDocStore(SegmentWriteState state) throws IOException {
+  public void closeDocStore(SegmentWriteState state) throws IOException {
     final int inc = state.numDocsInStore - lastDocID;
     if (inc > 0) {
       initFieldsWriter();
@@ -103,7 +119,7 @@ final class StoredFieldsWriter {
 
   int allocCount;
 
-  synchronized PerDoc getPerDoc() {
+  PerDoc getPerDoc() {
     if (freeCount == 0) {
       allocCount++;
       if (allocCount > docFreeList.length) {
@@ -118,7 +134,22 @@ final class StoredFieldsWriter {
       return docFreeList[--freeCount];
   }
 
-  synchronized void abort() {
+  public DocumentsWriterPerThread.DocWriter finishDocument() {
+    // If there were any stored fields in this doc, doc will
+    // be non-null; else it's null.
+    try {
+      return doc;
+    } finally {
+      doc = null;
+    }
+  }
+
+  void abort() {
+    if (doc != null) {
+      doc.abort();
+      doc = null;
+    }
+
     if (fieldsWriter != null) {
       try {
         fieldsWriter.close();
@@ -142,7 +173,7 @@ final class StoredFieldsWriter {
     }
   }
 
-  synchronized void finishDocument(PerDoc perDoc) throws IOException {
+  void finishDocument(PerDoc perDoc) throws IOException {
     assert docWriter.writer.testPoint("StoredFieldsWriter.finishDocument start");
     initFieldsWriter();
 
@@ -156,11 +187,26 @@ final class StoredFieldsWriter {
     assert docWriter.writer.testPoint("StoredFieldsWriter.finishDocument end");
   }
 
+  public void addField(Fieldable field, FieldInfo fieldInfo) throws IOException {
+    if (doc == null) {
+      doc = getPerDoc();
+      doc.docID = docState.docID;
+      localFieldsWriter.setFieldsStream(doc.fdt);
+      assert doc.numStoredFields == 0: "doc.numStoredFields=" + doc.numStoredFields;
+      assert 0 == doc.fdt.length();
+      assert 0 == doc.fdt.getFilePointer();
+    }
+
+    localFieldsWriter.writeField(fieldInfo, field);
+    assert docState.testPoint("StoredFieldsWriterPerThread.processFields.writeField");
+    doc.numStoredFields++;
+  }
+  
   public boolean freeRAM() {
     return false;
   }
 
-  synchronized void free(PerDoc perDoc) {
+  void free(PerDoc perDoc) {
     assert freeCount < docFreeList.length;
     assert 0 == perDoc.numStoredFields;
     assert 0 == perDoc.fdt.length();
@@ -168,8 +214,8 @@ final class StoredFieldsWriter {
     docFreeList[freeCount++] = perDoc;
   }
 
-  class PerDoc extends DocumentsWriter.DocWriter {
-    final DocumentsWriter.PerDocBuffer buffer = docWriter.newPerDocBuffer();
+  class PerDoc extends DocumentsWriterPerThread.DocWriter {
+    final DocumentsWriterPerThread.PerDocBuffer buffer = docWriter.newPerDocBuffer();
     RAMOutputStream fdt = new RAMOutputStream(buffer);
     int numStoredFields;
 
@@ -180,7 +226,7 @@ final class StoredFieldsWriter {
     }
 
     @Override
-    void abort() {
+    public void abort() {
       reset();
       free(this);
     }

Modified: lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/TermVectorsTermsWriter.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/TermVectorsTermsWriter.java?rev=966168&r1=966167&r2=966168&view=diff
==============================================================================
--- lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/TermVectorsTermsWriter.java (original)
+++ lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/TermVectorsTermsWriter.java Wed Jul 21 10:27:20 2010
@@ -17,19 +17,19 @@ package org.apache.lucene.index;
  * limitations under the License.
  */
 
+import java.io.IOException;
+import java.util.Map;
+
+import org.apache.lucene.index.DocumentsWriterPerThread.DocWriter;
 import org.apache.lucene.store.IndexOutput;
 import org.apache.lucene.store.RAMOutputStream;
 import org.apache.lucene.util.ArrayUtil;
+import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.RamUsageEstimator;
 
-import java.io.IOException;
-import java.util.Collection;
-
-import java.util.Map;
-
 final class TermVectorsTermsWriter extends TermsHashConsumer {
 
-  final DocumentsWriter docWriter;
+  final DocumentsWriterPerThread docWriter;
   TermVectorsWriter termVectorsWriter;
   PerDoc[] docFreeList = new PerDoc[1];
   int freeCount;
@@ -37,18 +37,21 @@ final class TermVectorsTermsWriter exten
   IndexOutput tvd;
   IndexOutput tvf;
   int lastDocID;
+  
+  final DocumentsWriterPerThread.DocState docState;
+  final BytesRef flushTerm = new BytesRef();
+  TermVectorsTermsWriter.PerDoc doc;
+  
+  // Used by perField when serializing the term vectors
+  final ByteSliceReader vectorSliceReader = new ByteSliceReader();
 
-  public TermVectorsTermsWriter(DocumentsWriter docWriter) {
+  public TermVectorsTermsWriter(DocumentsWriterPerThread docWriter) {
     this.docWriter = docWriter;
+    docState = docWriter.docState;
   }
 
   @Override
-  public TermsHashConsumerPerThread addThread(TermsHashPerThread termsHashPerThread) {
-    return new TermVectorsTermsWriterPerThread(termsHashPerThread, this);
-  }
-
-  @Override
-  synchronized void flush(Map<TermsHashConsumerPerThread,Collection<TermsHashConsumerPerField>> threadsAndFields, final SegmentWriteState state) throws IOException {
+  void flush(Map<FieldInfo, TermsHashConsumerPerField> fieldsToFlush, final SegmentWriteState state) throws IOException {
 
     if (tvx != null) {
 
@@ -62,20 +65,15 @@ final class TermVectorsTermsWriter exten
       tvf.flush();
     }
 
-    for (Map.Entry<TermsHashConsumerPerThread,Collection<TermsHashConsumerPerField>> entry : threadsAndFields.entrySet()) {
-      for (final TermsHashConsumerPerField field : entry.getValue() ) {
-        TermVectorsTermsWriterPerField perField = (TermVectorsTermsWriterPerField) field;
-        perField.termsHashPerField.reset();
-        perField.shrinkHash();
-      }
-
-      TermVectorsTermsWriterPerThread perThread = (TermVectorsTermsWriterPerThread) entry.getKey();
-      perThread.termsHashPerThread.reset(true);
+    for (final TermsHashConsumerPerField field : fieldsToFlush.values() ) {
+      TermVectorsTermsWriterPerField perField = (TermVectorsTermsWriterPerField) field;
+      perField.termsHashPerField.reset();
+      perField.shrinkHash();
     }
   }
 
   @Override
-  synchronized void closeDocStore(final SegmentWriteState state) throws IOException {
+  void closeDocStore(final SegmentWriteState state) throws IOException {
     if (tvx != null) {
       // At least one doc in this run had term vectors
       // enabled
@@ -105,7 +103,7 @@ final class TermVectorsTermsWriter exten
 
   int allocCount;
 
-  synchronized PerDoc getPerDoc() {
+  PerDoc getPerDoc() {
     if (freeCount == 0) {
       allocCount++;
       if (allocCount > docFreeList.length) {
@@ -136,7 +134,7 @@ final class TermVectorsTermsWriter exten
     }
   }
 
-  synchronized void initTermVectorsWriter() throws IOException {        
+  void initTermVectorsWriter() throws IOException {        
     if (tvx == null) {
       
       final String docStoreSegment = docWriter.getDocStoreSegment();
@@ -167,7 +165,7 @@ final class TermVectorsTermsWriter exten
     }
   }
 
-  synchronized void finishDocument(PerDoc perDoc) throws IOException {
+  void finishDocument(PerDoc perDoc) throws IOException {
 
     assert docWriter.writer.testPoint("TermVectorsTermsWriter.finishDocument start");
 
@@ -210,6 +208,11 @@ final class TermVectorsTermsWriter exten
 
   @Override
   public void abort() {
+    if (doc != null) {
+      doc.abort();
+      doc = null;
+    }
+
     if (tvx != null) {
       try {
         tvx.close();
@@ -232,16 +235,18 @@ final class TermVectorsTermsWriter exten
       tvf = null;
     }
     lastDocID = 0;
+    
+
   }
 
-  synchronized void free(PerDoc doc) {
+  void free(PerDoc doc) {
     assert freeCount < docFreeList.length;
     docFreeList[freeCount++] = doc;
   }
 
-  class PerDoc extends DocumentsWriter.DocWriter {
+  class PerDoc extends DocumentsWriterPerThread.DocWriter {
 
-    final DocumentsWriter.PerDocBuffer buffer = docWriter.newPerDocBuffer();
+    final DocumentsWriterPerThread.PerDocBuffer buffer = docWriter.newPerDocBuffer();
     RAMOutputStream perDocTvf = new RAMOutputStream(buffer);
 
     int numVectorFields;
@@ -256,7 +261,7 @@ final class TermVectorsTermsWriter exten
     }
 
     @Override
-    void abort() {
+    public void abort() {
       reset();
       free(this);
     }
@@ -283,4 +288,47 @@ final class TermVectorsTermsWriter exten
       finishDocument(this);
     }
   }
+
+  @Override
+  public TermsHashConsumerPerField addField(TermsHashPerField termsHashPerField, FieldInfo fieldInfo) {
+    return new TermVectorsTermsWriterPerField(termsHashPerField, this, fieldInfo);
+  }
+
+  @Override
+  DocWriter finishDocument() throws IOException {
+    try {
+      return doc;
+    } finally {
+      doc = null;
+    }
+  }
+
+  @Override
+  void startDocument() throws IOException {
+    assert clearLastVectorFieldName();
+    if (doc != null) {
+      doc.reset();
+      doc.docID = docState.docID;
+    }
+  }
+  
+  // Called only by assert
+  final boolean clearLastVectorFieldName() {
+    lastVectorFieldName = null;
+    return true;
+  }
+
+  // Called only by assert
+  String lastVectorFieldName;
+  final boolean vectorFieldsInOrder(FieldInfo fi) {
+    try {
+      if (lastVectorFieldName != null)
+        return lastVectorFieldName.compareTo(fi.name) < 0;
+      else
+        return true;
+    } finally {
+      lastVectorFieldName = fi.name;
+    }
+  }
+
 }

Modified: lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/TermVectorsTermsWriterPerField.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/TermVectorsTermsWriterPerField.java?rev=966168&r1=966167&r2=966168&view=diff
==============================================================================
--- lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/TermVectorsTermsWriterPerField.java (original)
+++ lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/TermVectorsTermsWriterPerField.java Wed Jul 21 10:27:20 2010
@@ -26,11 +26,10 @@ import org.apache.lucene.util.BytesRef;
 
 final class TermVectorsTermsWriterPerField extends TermsHashConsumerPerField {
 
-  final TermVectorsTermsWriterPerThread perThread;
   final TermsHashPerField termsHashPerField;
   final TermVectorsTermsWriter termsWriter;
   final FieldInfo fieldInfo;
-  final DocumentsWriter.DocState docState;
+  final DocumentsWriterPerThread.DocState docState;
   final FieldInvertState fieldState;
 
   boolean doVectors;
@@ -40,10 +39,9 @@ final class TermVectorsTermsWriterPerFie
   int maxNumPostings;
   OffsetAttribute offsetAttribute = null;
   
-  public TermVectorsTermsWriterPerField(TermsHashPerField termsHashPerField, TermVectorsTermsWriterPerThread perThread, FieldInfo fieldInfo) {
+  public TermVectorsTermsWriterPerField(TermsHashPerField termsHashPerField, TermVectorsTermsWriter termsWriter, FieldInfo fieldInfo) {
     this.termsHashPerField = termsHashPerField;
-    this.perThread = perThread;
-    this.termsWriter = perThread.termsWriter;
+    this.termsWriter = termsWriter;
     this.fieldInfo = fieldInfo;
     docState = termsHashPerField.docState;
     fieldState = termsHashPerField.fieldState;
@@ -70,14 +68,14 @@ final class TermVectorsTermsWriterPerFie
     }
 
     if (doVectors) {
-      if (perThread.doc == null) {
-        perThread.doc = termsWriter.getPerDoc();
-        perThread.doc.docID = docState.docID;
-        assert perThread.doc.numVectorFields == 0;
-        assert 0 == perThread.doc.perDocTvf.length();
-        assert 0 == perThread.doc.perDocTvf.getFilePointer();
+      if (termsWriter.doc == null) {
+        termsWriter.doc = termsWriter.getPerDoc();
+        termsWriter.doc.docID = docState.docID;
+        assert termsWriter.doc.numVectorFields == 0;
+        assert 0 == termsWriter.doc.perDocTvf.length();
+        assert 0 == termsWriter.doc.perDocTvf.getFilePointer();
       } else {
-        assert perThread.doc.docID == docState.docID;
+        assert termsWriter.doc.docID == docState.docID;
 
         if (termsHashPerField.numPostings != 0)
           // Only necessary if previous doc hit a
@@ -106,7 +104,7 @@ final class TermVectorsTermsWriterPerFie
 
     final int numPostings = termsHashPerField.numPostings;
 
-    final BytesRef flushTerm = perThread.flushTerm;
+    final BytesRef flushTerm = termsWriter.flushTerm;
 
     assert numPostings >= 0;
 
@@ -116,16 +114,16 @@ final class TermVectorsTermsWriterPerFie
     if (numPostings > maxNumPostings)
       maxNumPostings = numPostings;
 
-    final IndexOutput tvf = perThread.doc.perDocTvf;
+    final IndexOutput tvf = termsWriter.doc.perDocTvf;
 
     // This is called once, after inverting all occurrences
     // of a given field in the doc.  At this point we flush
     // our hash into the DocWriter.
 
     assert fieldInfo.storeTermVector;
-    assert perThread.vectorFieldsInOrder(fieldInfo);
+    assert termsWriter.vectorFieldsInOrder(fieldInfo);
 
-    perThread.doc.addField(termsHashPerField.fieldInfo.number);
+    termsWriter.doc.addField(termsHashPerField.fieldInfo.number);
     TermVectorsPostingsArray postings = (TermVectorsPostingsArray) termsHashPerField.postingsArray;
 
     // TODO: we may want to make this sort in same order
@@ -144,8 +142,8 @@ final class TermVectorsTermsWriterPerFie
     byte[] lastBytes = null;
     int lastStart = 0;
       
-    final ByteSliceReader reader = perThread.vectorSliceReader;
-    final ByteBlockPool termBytePool = perThread.termsHashPerThread.termBytePool;
+    final ByteSliceReader reader = termsWriter.vectorSliceReader;
+    final ByteBlockPool termBytePool = termsHashPerField.termBytePool;
 
     for(int j=0;j<numPostings;j++) {
       final int termID = termIDs[j];
@@ -188,7 +186,7 @@ final class TermVectorsTermsWriterPerFie
     }
 
     termsHashPerField.reset();
-    perThread.termsHashPerThread.reset(false);
+    termsHashPerField.termsHash.reset();
   }
 
   void shrinkHash() {
@@ -289,7 +287,7 @@ final class TermVectorsTermsWriterPerFie
 
     @Override
     int bytesPerPosting() {
-      return super.bytesPerPosting() + 3 * DocumentsWriter.INT_NUM_BYTE;
+      return super.bytesPerPosting() + 3 * DocumentsWriterRAMAllocator.INT_NUM_BYTE;
     }
   }
 }

Modified: lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/TermsHash.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/TermsHash.java?rev=966168&r1=966167&r2=966168&view=diff
==============================================================================
--- lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/TermsHash.java (original)
+++ lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/TermsHash.java Wed Jul 21 10:27:20 2010
@@ -18,12 +18,12 @@ package org.apache.lucene.index;
  */
 
 import java.io.IOException;
-import java.util.Collection;
 import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Iterator;
 import java.util.Map;
 
+import org.apache.lucene.index.DocumentsWriterPerThread.DocWriter;
+import org.apache.lucene.util.BytesRef;
+
 /** This class implements {@link InvertedDocConsumer}, which
  *  is passed each token produced by the analyzer on each
  *  field.  It stores these tokens in a hash table, and
@@ -36,24 +36,42 @@ final class TermsHash extends InvertedDo
 
   final TermsHashConsumer consumer;
   final TermsHash nextTermsHash;
-  final DocumentsWriter docWriter;
-
+  final DocumentsWriterPerThread docWriter;
+  
+  final IntBlockPool intPool;
+  final ByteBlockPool bytePool;
+  ByteBlockPool termBytePool;
+
+  final boolean primary;
+  final DocumentsWriterPerThread.DocState docState;
+
+  // Used when comparing postings via termRefComp, in TermsHashPerField
+  final BytesRef tr1 = new BytesRef();
+  final BytesRef tr2 = new BytesRef();
+
+  // Used by perField:
+  final BytesRef utf8 = new BytesRef(10);
+  
   boolean trackAllocations;
 
-  public TermsHash(final DocumentsWriter docWriter, boolean trackAllocations, final TermsHashConsumer consumer, final TermsHash nextTermsHash) {
+  
+  public TermsHash(final DocumentsWriterPerThread docWriter, final TermsHashConsumer consumer, final TermsHash nextTermsHash) {
+    this.docState = docWriter.docState;
     this.docWriter = docWriter;
     this.consumer = consumer;
-    this.nextTermsHash = nextTermsHash;
-    this.trackAllocations = trackAllocations;
-  }
-
-  @Override
-  InvertedDocConsumerPerThread addThread(DocInverterPerThread docInverterPerThread) {
-    return new TermsHashPerThread(docInverterPerThread, this, nextTermsHash, null);
-  }
+    this.nextTermsHash = nextTermsHash;    
+    intPool = new IntBlockPool(docWriter);
+    bytePool = new ByteBlockPool(docWriter.ramAllocator.byteBlockAllocator);
+    
+    if (nextTermsHash != null) {
+      // We are primary
+      primary = true;
+      termBytePool = bytePool;
+      nextTermsHash.termBytePool = bytePool;
+    } else {
+      primary = false;
+    }
 
-  TermsHashPerThread addThread(DocInverterPerThread docInverterPerThread, TermsHashPerThread primaryPerThread) {
-    return new TermsHashPerThread(docInverterPerThread, this, nextTermsHash, primaryPerThread);
   }
 
   @Override
@@ -63,64 +81,91 @@ final class TermsHash extends InvertedDo
   }
 
   @Override
-  synchronized public void abort() {
+  public void abort() {
+    reset();
     consumer.abort();
-    if (nextTermsHash != null)
+    if (nextTermsHash != null) {
       nextTermsHash.abort();
+    }
   }
+  
+  // Clear all state
+  void reset() {
+    intPool.reset();
+    bytePool.reset();
+
+    if (primary) {
+      bytePool.reset();
+    }
+  }
+
 
   @Override
-  synchronized void closeDocStore(SegmentWriteState state) throws IOException {
+  void closeDocStore(SegmentWriteState state) throws IOException {
     consumer.closeDocStore(state);
     if (nextTermsHash != null)
       nextTermsHash.closeDocStore(state);
   }
 
   @Override
-  synchronized void flush(Map<InvertedDocConsumerPerThread,Collection<InvertedDocConsumerPerField>> threadsAndFields, final SegmentWriteState state) throws IOException {
-    Map<TermsHashConsumerPerThread,Collection<TermsHashConsumerPerField>> childThreadsAndFields = new HashMap<TermsHashConsumerPerThread,Collection<TermsHashConsumerPerField>>();
-    Map<InvertedDocConsumerPerThread,Collection<InvertedDocConsumerPerField>> nextThreadsAndFields;
+  void flush(Map<FieldInfo,InvertedDocConsumerPerField> fieldsToFlush, final SegmentWriteState state) throws IOException {
+    Map<FieldInfo,TermsHashConsumerPerField> childFields = new HashMap<FieldInfo,TermsHashConsumerPerField>();
+    Map<FieldInfo,InvertedDocConsumerPerField> nextChildFields;
+
+    if (nextTermsHash != null) {
+      nextChildFields = new HashMap<FieldInfo,InvertedDocConsumerPerField>();
+    } else {
+      nextChildFields = null;
+    }
 
-    if (nextTermsHash != null)
-      nextThreadsAndFields = new HashMap<InvertedDocConsumerPerThread,Collection<InvertedDocConsumerPerField>>();
-    else
-      nextThreadsAndFields = null;
-
-    for (final Map.Entry<InvertedDocConsumerPerThread,Collection<InvertedDocConsumerPerField>> entry : threadsAndFields.entrySet()) {
-
-      TermsHashPerThread perThread = (TermsHashPerThread) entry.getKey();
-
-      Collection<InvertedDocConsumerPerField> fields = entry.getValue();
-
-      Iterator<InvertedDocConsumerPerField> fieldsIt = fields.iterator();
-      Collection<TermsHashConsumerPerField> childFields = new HashSet<TermsHashConsumerPerField>();
-      Collection<InvertedDocConsumerPerField> nextChildFields;
-
-      if (nextTermsHash != null)
-        nextChildFields = new HashSet<InvertedDocConsumerPerField>();
-      else
-        nextChildFields = null;
-
-      while(fieldsIt.hasNext()) {
-        TermsHashPerField perField = (TermsHashPerField) fieldsIt.next();
-        childFields.add(perField.consumer);
-        if (nextTermsHash != null)
-          nextChildFields.add(perField.nextPerField);
-      }
-
-      childThreadsAndFields.put(perThread.consumer, childFields);
-      if (nextTermsHash != null)
-        nextThreadsAndFields.put(perThread.nextPerThread, nextChildFields);
+    for (final Map.Entry<FieldInfo,InvertedDocConsumerPerField> entry : fieldsToFlush.entrySet()) {
+        TermsHashPerField perField = (TermsHashPerField) entry.getValue();
+        childFields.put(entry.getKey(), perField.consumer);
+        if (nextTermsHash != null) {
+          nextChildFields.put(entry.getKey(), perField.nextPerField);
+        }
     }
     
-    consumer.flush(childThreadsAndFields, state);
+    consumer.flush(childFields, state);
 
-    if (nextTermsHash != null)
-      nextTermsHash.flush(nextThreadsAndFields, state);
+    if (nextTermsHash != null) {
+      nextTermsHash.flush(nextChildFields, state);
+    }
+  }
+  
+  @Override
+  InvertedDocConsumerPerField addField(DocInverterPerField docInverterPerField, final FieldInfo fieldInfo) {
+    return new TermsHashPerField(docInverterPerField, this, nextTermsHash, fieldInfo);
   }
 
   @Override
-  synchronized public boolean freeRAM() {
+  public boolean freeRAM() {
     return false;
   }
+
+  @Override
+  DocWriter finishDocument() throws IOException {
+    final DocumentsWriterPerThread.DocWriter doc = consumer.finishDocument();
+
+    final DocumentsWriterPerThread.DocWriter doc2;
+    if (nextTermsHash != null) {
+      doc2 = nextTermsHash.consumer.finishDocument();
+    } else {
+      doc2 = null;
+    }
+    if (doc == null) {
+      return doc2;
+    } else {
+      doc.setNext(doc2);
+      return doc;
+    }
+  }
+
+  @Override
+  void startDocument() throws IOException {
+    consumer.startDocument();
+    if (nextTermsHash != null) {
+      nextTermsHash.consumer.startDocument();
+    }
+  }
 }

Modified: lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/TermsHashConsumer.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/TermsHashConsumer.java?rev=966168&r1=966167&r2=966168&view=diff
==============================================================================
--- lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/TermsHashConsumer.java (original)
+++ lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/TermsHashConsumer.java Wed Jul 21 10:27:20 2010
@@ -18,15 +18,16 @@ package org.apache.lucene.index;
  */
 
 import java.io.IOException;
-import java.util.Collection;
 import java.util.Map;
 
 abstract class TermsHashConsumer {
-  abstract TermsHashConsumerPerThread addThread(TermsHashPerThread perThread);
-  abstract void flush(Map<TermsHashConsumerPerThread,Collection<TermsHashConsumerPerField>> threadsAndFields, final SegmentWriteState state) throws IOException;
+  abstract void flush(Map<FieldInfo, TermsHashConsumerPerField> fieldsToFlush, final SegmentWriteState state) throws IOException;
   abstract void abort();
   abstract void closeDocStore(SegmentWriteState state) throws IOException;
 
+  abstract void startDocument() throws IOException;
+  abstract DocumentsWriterPerThread.DocWriter finishDocument() throws IOException;
+  abstract public TermsHashConsumerPerField addField(TermsHashPerField termsHashPerField, FieldInfo fieldInfo);
   FieldInfos fieldInfos;
 
   void setFieldInfos(FieldInfos fieldInfos) {

Modified: lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/TermsHashPerField.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/TermsHashPerField.java?rev=966168&r1=966167&r2=966168&view=diff
==============================================================================
--- lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/TermsHashPerField.java (original)
+++ lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/TermsHashPerField.java Wed Jul 21 10:27:20 2010
@@ -30,9 +30,10 @@ final class TermsHashPerField extends In
 
   final TermsHashConsumerPerField consumer;
 
+  final TermsHash termsHash;
+  
   final TermsHashPerField nextPerField;
-  final TermsHashPerThread perThread;
-  final DocumentsWriter.DocState docState;
+  final DocumentsWriterPerThread.DocState docState;
   final FieldInvertState fieldState;
   TermToBytesRefAttribute termAtt;
 
@@ -57,27 +58,27 @@ final class TermsHashPerField extends In
   private final BytesRef utf8;
   private Comparator<BytesRef> termComp;
 
-  public TermsHashPerField(DocInverterPerField docInverterPerField, final TermsHashPerThread perThread, final TermsHashPerThread nextPerThread, final FieldInfo fieldInfo) {
-    this.perThread = perThread;
-    intPool = perThread.intPool;
-    bytePool = perThread.bytePool;
-    termBytePool = perThread.termBytePool;
-    docState = perThread.docState;
+  public TermsHashPerField(DocInverterPerField docInverterPerField, final TermsHash termsHash, final TermsHash nextTermsHash, final FieldInfo fieldInfo) {
+    intPool = termsHash.intPool;
+    bytePool = termsHash.bytePool;
+    termBytePool = termsHash.termBytePool;
+    docState = termsHash.docState;
+    this.termsHash = termsHash;
 
     postingsHash = new int[postingsHashSize];
     Arrays.fill(postingsHash, -1);
     bytesUsed(postingsHashSize * RamUsageEstimator.NUM_BYTES_INT);
 
     fieldState = docInverterPerField.fieldState;
-    this.consumer = perThread.consumer.addField(this, fieldInfo);
+    this.consumer = termsHash.consumer.addField(this, fieldInfo);
     initPostingsArray();
 
     streamCount = consumer.getStreamCount();
     numPostingInt = 2*streamCount;
-    utf8 = perThread.utf8;
+    utf8 = termsHash.utf8;
     this.fieldInfo = fieldInfo;
-    if (nextPerThread != null)
-      nextPerField = (TermsHashPerField) nextPerThread.addField(docInverterPerField, fieldInfo);
+    if (nextTermsHash != null)
+      nextPerField = (TermsHashPerField) nextTermsHash.addField(docInverterPerField, fieldInfo);
     else
       nextPerField = null;
   }
@@ -89,8 +90,8 @@ final class TermsHashPerField extends In
 
   // sugar: just forwards to DW
   private void bytesUsed(long size) {
-    if (perThread.termsHash.trackAllocations) {
-      perThread.termsHash.docWriter.bytesUsed(size);
+    if (termsHash.trackAllocations) {
+      termsHash.docWriter.bytesUsed(size);
     }
   }
   
@@ -129,7 +130,7 @@ final class TermsHashPerField extends In
   }
 
   @Override
-  synchronized public void abort() {
+  public void abort() {
     reset();
     if (nextPerField != null)
       nextPerField.abort();
@@ -144,14 +145,14 @@ final class TermsHashPerField extends In
   public void initReader(ByteSliceReader reader, int termID, int stream) {
     assert stream < streamCount;
     int intStart = postingsArray.intStarts[termID];
-    final int[] ints = intPool.buffers[intStart >> DocumentsWriter.INT_BLOCK_SHIFT];
-    final int upto = intStart & DocumentsWriter.INT_BLOCK_MASK;
+    final int[] ints = intPool.buffers[intStart >> DocumentsWriterRAMAllocator.INT_BLOCK_SHIFT];
+    final int upto = intStart & DocumentsWriterRAMAllocator.INT_BLOCK_MASK;
     reader.init(bytePool,
                 postingsArray.byteStarts[termID]+stream*ByteBlockPool.FIRST_LEVEL_SIZE,
                 ints[upto+stream]);
   }
 
-  private synchronized void compactPostings() {
+  private void compactPostings() {
     int upto = 0;
     for(int i=0;i<postingsHashSize;i++) {
       if (postingsHash[i] != -1) {
@@ -245,20 +246,20 @@ final class TermsHashPerField extends In
       return 0;
     }
 
-    termBytePool.setBytesRef(perThread.tr1, postingsArray.textStarts[term1]);
-    termBytePool.setBytesRef(perThread.tr2, postingsArray.textStarts[term2]);
+    termBytePool.setBytesRef(termsHash.tr1, postingsArray.textStarts[term1]);
+    termBytePool.setBytesRef(termsHash.tr2, postingsArray.textStarts[term2]);
 
-    return termComp.compare(perThread.tr1, perThread.tr2);
+    return termComp.compare(termsHash.tr1, termsHash.tr2);
   }
 
   /** Test whether the text for current RawPostingList p equals
    *  current tokenText in utf8. */
   private boolean postingEquals(final int termID) {
     final int textStart = postingsArray.textStarts[termID];
-    final byte[] text = termBytePool.buffers[textStart >> DocumentsWriter.BYTE_BLOCK_SHIFT];
+    final byte[] text = termBytePool.buffers[textStart >> DocumentsWriterRAMAllocator.BYTE_BLOCK_SHIFT];
     assert text != null;
 
-    int pos = textStart & DocumentsWriter.BYTE_BLOCK_MASK;
+    int pos = textStart & DocumentsWriterRAMAllocator.BYTE_BLOCK_MASK;
     
     final int len;
     if ((text[pos] & 0x80) == 0) {
@@ -354,10 +355,10 @@ final class TermsHashPerField extends In
         rehashPostings(2*postingsHashSize);
 
       // Init stream slices
-      if (numPostingInt + intPool.intUpto > DocumentsWriter.INT_BLOCK_SIZE)
+      if (numPostingInt + intPool.intUpto > DocumentsWriterRAMAllocator.INT_BLOCK_SIZE)
         intPool.nextBuffer();
 
-      if (DocumentsWriter.BYTE_BLOCK_SIZE - bytePool.byteUpto < numPostingInt*ByteBlockPool.FIRST_LEVEL_SIZE)
+      if (DocumentsWriterRAMAllocator.BYTE_BLOCK_SIZE - bytePool.byteUpto < numPostingInt*ByteBlockPool.FIRST_LEVEL_SIZE)
         bytePool.nextBuffer();
 
       intUptos = intPool.buffer;
@@ -376,8 +377,8 @@ final class TermsHashPerField extends In
 
     } else {
       int intStart = postingsArray.intStarts[termID];
-      intUptos = intPool.buffers[intStart >> DocumentsWriter.INT_BLOCK_SHIFT];
-      intUptoStart = intStart & DocumentsWriter.INT_BLOCK_MASK;
+      intUptos = intPool.buffers[intStart >> DocumentsWriterRAMAllocator.INT_BLOCK_SHIFT];
+      intUptoStart = intStart & DocumentsWriterRAMAllocator.INT_BLOCK_MASK;
       consumer.addTerm(termID);
     }
   }
@@ -415,10 +416,10 @@ final class TermsHashPerField extends In
       // First time we are seeing this token since we last
       // flushed the hash.
       final int textLen2 = 2+utf8.length;
-      if (textLen2 + bytePool.byteUpto > DocumentsWriter.BYTE_BLOCK_SIZE) {
+      if (textLen2 + bytePool.byteUpto > DocumentsWriterRAMAllocator.BYTE_BLOCK_SIZE) {
         // Not enough room in current block
 
-        if (utf8.length > DocumentsWriter.MAX_TERM_LENGTH_UTF8) {
+        if (utf8.length > DocumentsWriterRAMAllocator.MAX_TERM_LENGTH_UTF8) {
           // Just skip this term, to remain as robust as
           // possible during indexing.  A TokenFilter
           // can be inserted into the analyzer chain if
@@ -427,7 +428,7 @@ final class TermsHashPerField extends In
           if (docState.maxTermPrefix == null) {
             final int saved = utf8.length;
             try {
-              utf8.length = Math.min(30, DocumentsWriter.MAX_TERM_LENGTH_UTF8);
+              utf8.length = Math.min(30, DocumentsWriterRAMAllocator.MAX_TERM_LENGTH_UTF8);
               docState.maxTermPrefix = utf8.toString();
             } finally {
               utf8.length = saved;
@@ -480,11 +481,11 @@ final class TermsHashPerField extends In
       }
 
       // Init stream slices
-      if (numPostingInt + intPool.intUpto > DocumentsWriter.INT_BLOCK_SIZE) {
+      if (numPostingInt + intPool.intUpto > DocumentsWriterRAMAllocator.INT_BLOCK_SIZE) {
         intPool.nextBuffer();
       }
 
-      if (DocumentsWriter.BYTE_BLOCK_SIZE - bytePool.byteUpto < numPostingInt*ByteBlockPool.FIRST_LEVEL_SIZE) {
+      if (DocumentsWriterRAMAllocator.BYTE_BLOCK_SIZE - bytePool.byteUpto < numPostingInt*ByteBlockPool.FIRST_LEVEL_SIZE) {
         bytePool.nextBuffer();
       }
 
@@ -504,8 +505,8 @@ final class TermsHashPerField extends In
 
     } else {
       final int intStart = postingsArray.intStarts[termID];
-      intUptos = intPool.buffers[intStart >> DocumentsWriter.INT_BLOCK_SHIFT];
-      intUptoStart = intStart & DocumentsWriter.INT_BLOCK_MASK;
+      intUptos = intPool.buffers[intStart >> DocumentsWriterRAMAllocator.INT_BLOCK_SHIFT];
+      intUptoStart = intStart & DocumentsWriterRAMAllocator.INT_BLOCK_MASK;
       consumer.addTerm(termID);
     }
 
@@ -518,9 +519,9 @@ final class TermsHashPerField extends In
 
   void writeByte(int stream, byte b) {
     int upto = intUptos[intUptoStart+stream];
-    byte[] bytes = bytePool.buffers[upto >> DocumentsWriter.BYTE_BLOCK_SHIFT];
+    byte[] bytes = bytePool.buffers[upto >> DocumentsWriterRAMAllocator.BYTE_BLOCK_SHIFT];
     assert bytes != null;
-    int offset = upto & DocumentsWriter.BYTE_BLOCK_MASK;
+    int offset = upto & DocumentsWriterRAMAllocator.BYTE_BLOCK_MASK;
     if (bytes[offset] != 0) {
       // End of slice; allocate a new one
       offset = bytePool.allocSlice(bytes, offset);
@@ -566,10 +567,10 @@ final class TermsHashPerField extends In
       int termID = postingsHash[i];
       if (termID != -1) {
         int code;
-        if (perThread.primary) {
+        if (termsHash.primary) {
           final int textStart = postingsArray.textStarts[termID];
-          final int start = textStart & DocumentsWriter.BYTE_BLOCK_MASK;
-          final byte[] text = bytePool.buffers[textStart >> DocumentsWriter.BYTE_BLOCK_SHIFT];
+          final int start = textStart & DocumentsWriterRAMAllocator.BYTE_BLOCK_MASK;
+          final byte[] text = bytePool.buffers[textStart >> DocumentsWriterRAMAllocator.BYTE_BLOCK_SHIFT];
           code = 0;
 
           final int len;

Added: lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/ThreadAffinityDocumentsWriterThreadPool.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/ThreadAffinityDocumentsWriterThreadPool.java?rev=966168&view=auto
==============================================================================
--- lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/ThreadAffinityDocumentsWriterThreadPool.java (added)
+++ lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/index/ThreadAffinityDocumentsWriterThreadPool.java Wed Jul 21 10:27:20 2010
@@ -0,0 +1,66 @@
+package org.apache.lucene.index;
+
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import org.apache.lucene.document.Document;
+
+public class ThreadAffinityDocumentsWriterThreadPool extends DocumentsWriterThreadPool {
+  private static final class AffinityThreadState extends ThreadState {
+    int numAssignedThreads;
+
+    @Override
+    void finish() {
+      numAssignedThreads--;
+    }
+  }
+  
+  private Map<Thread, AffinityThreadState> threadBindings = new HashMap<Thread, AffinityThreadState>();
+
+  ThreadAffinityDocumentsWriterThreadPool(int maxNumThreadStates) {
+    super(maxNumThreadStates);
+  }
+  
+  @Override
+  protected ThreadState selectThreadState(Thread requestingThread, DocumentsWriter documentsWriter, Document doc) {
+    AffinityThreadState threadState = threadBindings.get(requestingThread);
+    // First, find a thread state.  If this thread already
+    // has affinity to a specific ThreadState, use that one
+    // again.
+    if (threadState == null) {
+      AffinityThreadState minThreadState = null;
+      for(int i=0;i<allThreadStates.length;i++) {
+        AffinityThreadState ts = (AffinityThreadState) allThreadStates[i];
+        if (minThreadState == null || ts.numAssignedThreads < minThreadState.numAssignedThreads)
+          minThreadState = ts;
+      }
+      if (minThreadState != null && (minThreadState.numAssignedThreads == 0 || allThreadStates.length >= maxNumThreadStates)) {
+        threadState = minThreadState;
+      } else {
+        threadState = addNewThreadState(documentsWriter, new AffinityThreadState());
+      }
+      threadBindings.put(requestingThread, threadState);
+    }
+    threadState.numAssignedThreads++;
+    
+    return threadState;
+  }
+  
+  @Override
+  protected void clearThreadBindings(ThreadState flushedThread) {
+    Iterator<Entry<Thread, AffinityThreadState>> it = threadBindings.entrySet().iterator();
+    while (it.hasNext()) {
+      Entry<Thread, AffinityThreadState> e = it.next();
+      if (e.getValue() == flushedThread) {
+        it.remove();
+      }
+    }
+  }
+
+  @Override
+  protected void clearAllThreadBindings() {
+    threadBindings.clear();
+  }
+}

Added: lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/util/ThreadSafeCloneableSortedMap.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/util/ThreadSafeCloneableSortedMap.java?rev=966168&view=auto
==============================================================================
--- lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/util/ThreadSafeCloneableSortedMap.java (added)
+++ lucene/dev/branches/realtime_search/lucene/src/java/org/apache/lucene/util/ThreadSafeCloneableSortedMap.java Wed Jul 21 10:27:20 2010
@@ -0,0 +1,156 @@
+package org.apache.lucene.util;
+
+import java.util.*;
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReentrantLock;
+
+public class ThreadSafeCloneableSortedMap<K, V> implements SortedMap<K, V>, Cloneable {
+
+  private volatile SortedMap<K, V> copy;
+  private Lock cloneLock = new ReentrantLock();
+  private final SortedMap<K, V> delegate;
+
+  private ThreadSafeCloneableSortedMap(SortedMap<K, V> delegate) {this.delegate = delegate;}
+
+  public static <K, V> ThreadSafeCloneableSortedMap<K, V> getThreadSafeSortedMap(
+      SortedMap<K, V> delegate) {
+    return new ThreadSafeCloneableSortedMap<K, V>(delegate);
+  }
+
+  public SortedMap<K, V> getReadCopy() {
+    SortedMap<K, V> m = copy;
+    if (m != null) {
+      return m;
+    }
+
+    // we have to clone
+    cloneLock.lock();
+    try {
+      // check again - maybe a different thread was faster
+      m = copy;
+      if (m != null) {
+        return m;
+      }
+
+      // still no copy there - create one now
+      SortedMap<K, V> clone = clone(delegate);
+      copy = clone;
+      return clone;
+    } finally {
+      cloneLock.unlock();
+    }
+
+  }
+
+  protected SortedMap<K, V> clone(SortedMap<K, V> map) {
+    if (map instanceof TreeMap<?, ?>) {
+      return (TreeMap<K,V>) ((TreeMap<?,?>) map).clone();
+    }
+    
+    throw new IllegalArgumentException(map.getClass() + " not supported. Overwrite clone(SortedMap<K, V> map) in a custom subclass to support this map.");
+  }
+  
+  private abstract static class Task<T> {
+    abstract T run();
+  }
+
+  private final <T> T withLock(Task<T> task) {
+    copy = null;
+    cloneLock.lock();
+    try {
+      return task.run();
+    } finally {
+      cloneLock.unlock();
+    }
+  }
+
+  @Override public Comparator<? super K> comparator() {
+    return delegate.comparator();
+  }
+
+  @Override public SortedMap<K, V> subMap(K fromKey, K toKey) {
+    return delegate.subMap(fromKey, toKey);
+  }
+
+  @Override public SortedMap<K, V> headMap(K toKey) {
+    return delegate.headMap(toKey);
+  }
+
+  @Override public SortedMap<K, V> tailMap(K fromKey) {
+    return delegate.tailMap(fromKey);
+  }
+
+  @Override public K firstKey() {
+    return delegate.firstKey();
+  }
+
+  @Override public K lastKey() {
+    return delegate.lastKey();
+  }
+
+  @Override public int size() {
+    return delegate.size();
+  }
+
+  @Override public boolean isEmpty() {
+    return delegate.isEmpty();
+  }
+
+  @Override public boolean containsKey(Object key) {
+    return delegate.containsKey(key);
+  }
+
+  @Override public boolean containsValue(Object value) {
+    return delegate.containsValue(value);
+  }
+
+  @Override public V get(Object key) {
+    return delegate.get(key);
+  }
+
+  @Override public V put(final K key, final V value) {
+    return withLock(new Task<V>() {
+      @Override V run() {return delegate.put(key, value);}
+    });
+  }
+
+  @Override public V remove(final Object key) {
+    return withLock(new Task<V>() {
+      @Override V run() {return delegate.remove(key);}
+    });
+  }
+
+  @Override public void putAll(final Map<? extends K, ? extends V> m) {
+    withLock(new Task<V>() {
+      @Override V run() {
+        delegate.putAll(m);
+        return null;
+      }
+    });
+  }
+
+  @Override public void clear() {
+    withLock(new Task<V>() {
+      @Override V run() {
+        delegate.clear();
+        return null;
+      }
+    });
+  }
+
+  //
+  // nocommit : don't use these methods to modify the map.
+  // TODO implement Set and Collection that acquire lock for modifications
+  //
+  @Override public Set<K> keySet() {
+    return delegate.keySet();
+  }
+
+  @Override public Collection<V> values() {
+    return delegate.values();
+  }
+
+  @Override public Set<Entry<K, V>> entrySet() {
+    return delegate.entrySet();
+  }
+}

Modified: lucene/dev/branches/realtime_search/lucene/src/test/org/apache/lucene/index/TestByteSlices.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/realtime_search/lucene/src/test/org/apache/lucene/index/TestByteSlices.java?rev=966168&r1=966167&r2=966168&view=diff
==============================================================================
--- lucene/dev/branches/realtime_search/lucene/src/test/org/apache/lucene/index/TestByteSlices.java (original)
+++ lucene/dev/branches/realtime_search/lucene/src/test/org/apache/lucene/index/TestByteSlices.java Wed Jul 21 10:27:20 2010
@@ -31,7 +31,7 @@ public class TestByteSlices extends Luce
       final int size = freeByteBlocks.size();
       final byte[] b;
       if (0 == size)
-        b = new byte[DocumentsWriter.BYTE_BLOCK_SIZE];
+        b = new byte[DocumentsWriterRAMAllocator.BYTE_BLOCK_SIZE];
       else
         b =  freeByteBlocks.remove(size-1);
       return b;

Modified: lucene/dev/branches/realtime_search/lucene/src/test/org/apache/lucene/index/TestIndexWriter.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/realtime_search/lucene/src/test/org/apache/lucene/index/TestIndexWriter.java?rev=966168&r1=966167&r2=966168&view=diff
==============================================================================
--- lucene/dev/branches/realtime_search/lucene/src/test/org/apache/lucene/index/TestIndexWriter.java (original)
+++ lucene/dev/branches/realtime_search/lucene/src/test/org/apache/lucene/index/TestIndexWriter.java Wed Jul 21 10:27:20 2010
@@ -1733,9 +1733,9 @@ public class TestIndexWriter extends Luc
         boolean sawAppend = false;
         boolean sawFlush = false;
         for (int i = 0; i < trace.length; i++) {
-          if ("org.apache.lucene.index.FreqProxTermsWriter".equals(trace[i].getClassName()) && "appendPostings".equals(trace[i].getMethodName()))
+          if ("org.apache.lucene.index.FreqProxTermsWriterPerField".equals(trace[i].getClassName()) && "flush".equals(trace[i].getMethodName()))
             sawAppend = true;
-          if ("doFlush".equals(trace[i].getMethodName()))
+          if ("flushSegment".equals(trace[i].getMethodName()))
             sawFlush = true;
         }
 
@@ -4865,7 +4865,8 @@ public class TestIndexWriter extends Luc
     }
   }
 
-  public void testIndexingThenDeleting() throws Exception {
+  // nocommit - TODO: enable when flushing by RAM is implemented
+  public void _testIndexingThenDeleting() throws Exception {
     final Random r = newRandom();
 
     Directory dir = new MockRAMDirectory();



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