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From j...@apache.org
Subject svn commit: r604325 - in /lucene/hadoop/trunk/src/contrib/hbase: CHANGES.txt src/java/org/apache/hadoop/hbase/HRegionInfo.java src/java/org/apache/hadoop/hbase/HStore.java src/test/org/apache/hadoop/hbase/TestToString.java
Date Fri, 14 Dec 2007 22:57:31 GMT
Author: jimk
Date: Fri Dec 14 14:57:29 2007
New Revision: 604325

URL: http://svn.apache.org/viewvc?rev=604325&view=rev
Log:
HADOOP-2199 Add tools for going from hregion filename to region name in logs

Modified:
    lucene/hadoop/trunk/src/contrib/hbase/CHANGES.txt
    lucene/hadoop/trunk/src/contrib/hbase/src/java/org/apache/hadoop/hbase/HRegionInfo.java
    lucene/hadoop/trunk/src/contrib/hbase/src/java/org/apache/hadoop/hbase/HStore.java
    lucene/hadoop/trunk/src/contrib/hbase/src/test/org/apache/hadoop/hbase/TestToString.java

Modified: lucene/hadoop/trunk/src/contrib/hbase/CHANGES.txt
URL: http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/contrib/hbase/CHANGES.txt?rev=604325&r1=604324&r2=604325&view=diff
==============================================================================
--- lucene/hadoop/trunk/src/contrib/hbase/CHANGES.txt (original)
+++ lucene/hadoop/trunk/src/contrib/hbase/CHANGES.txt Fri Dec 14 14:57:29 2007
@@ -82,6 +82,7 @@
                and TestTableJoinMapReduce
    HADOOP-2414 Fix ArrayIndexOutOfBoundsException in bloom filters.
    HADOOP-2430 Master will not shut down if there are no active region servers
+   HADOOP-2199 Add tools for going from hregion filename to region name in logs
    
   IMPROVEMENTS
    HADOOP-2401 Add convenience put method that takes writable

Modified: lucene/hadoop/trunk/src/contrib/hbase/src/java/org/apache/hadoop/hbase/HRegionInfo.java
URL: http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/contrib/hbase/src/java/org/apache/hadoop/hbase/HRegionInfo.java?rev=604325&r1=604324&r2=604325&view=diff
==============================================================================
--- lucene/hadoop/trunk/src/contrib/hbase/src/java/org/apache/hadoop/hbase/HRegionInfo.java
(original)
+++ lucene/hadoop/trunk/src/contrib/hbase/src/java/org/apache/hadoop/hbase/HRegionInfo.java
Fri Dec 14 14:57:29 2007
@@ -39,8 +39,8 @@
    * @return the encodedName
    */
   public static String encodeRegionName(final Text regionName) {
-    return String.valueOf(
-        JenkinsHash.hash(regionName.getBytes(), regionName.getLength(), 0));
+    return String.valueOf(Math.abs(
+        JenkinsHash.hash(regionName.getBytes(), regionName.getLength(), 0)));
   }
 
   /** delimiter used between portions of a region name */
@@ -242,7 +242,8 @@
   @Override
   public String toString() {
     return "regionname: " + this.regionName.toString() + ", startKey: <" +
-      this.startKey.toString() + ">," +
+      this.startKey.toString() + ">, encodedName(" +
+      encodeRegionName(this.regionName) + ")" +
       (isOffline()? " offline: true,": "") +
       (isSplit()? " split: true,": "") +
       " tableDesc: {" + this.tableDesc.toString() + "}";

Modified: lucene/hadoop/trunk/src/contrib/hbase/src/java/org/apache/hadoop/hbase/HStore.java
URL: http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/contrib/hbase/src/java/org/apache/hadoop/hbase/HStore.java?rev=604325&r1=604324&r2=604325&view=diff
==============================================================================
--- lucene/hadoop/trunk/src/contrib/hbase/src/java/org/apache/hadoop/hbase/HStore.java (original)
+++ lucene/hadoop/trunk/src/contrib/hbase/src/java/org/apache/hadoop/hbase/HStore.java Fri
Dec 14 14:57:29 2007
@@ -597,9 +597,10 @@
     }
 
     if(LOG.isDebugEnabled()) {
-      LOG.debug("starting " + this.storeName +
-        ((reconstructionLog == null || !fs.exists(reconstructionLog))?
-          " (no reconstruction log)": " with reconstruction log: " +
+      LOG.debug("starting " + this.regionName + "/" + this.familyName + " ("
+          + this.storeName +
+          ((reconstructionLog == null || !fs.exists(reconstructionLog)) ?
+          ") (no reconstruction log)": " with reconstruction log: (" +
           reconstructionLog.toString()));
     }
 
@@ -624,8 +625,8 @@
     
     this.maxSeqId = getMaxSequenceId(hstoreFiles);
     if (LOG.isDebugEnabled()) {
-      LOG.debug("maximum sequence id for hstore " + storeName + " is " +
-          this.maxSeqId);
+      LOG.debug("maximum sequence id for hstore " + regionName + "/" +
+          familyName + " (" + storeName + ") is " + this.maxSeqId);
     }
     
     doReconstructionLog(reconstructionLog, maxSeqId);
@@ -758,7 +759,8 @@
     Path filterFile = new Path(filterDir, BLOOMFILTER_FILE_NAME);
     if(fs.exists(filterFile)) {
       if (LOG.isDebugEnabled()) {
-        LOG.debug("loading bloom filter for " + this.storeName);
+        LOG.debug("loading bloom filter for " + this.regionName + "/" +
+            this.familyName + " (" + this.storeName + ")");
       }
       
       BloomFilterDescriptor.BloomFilterType type =
@@ -785,7 +787,8 @@
       }
     } else {
       if (LOG.isDebugEnabled()) {
-        LOG.debug("creating bloom filter for " + this.storeName);
+        LOG.debug("creating bloom filter for " + this.regionName + "/" +
+            this.familyName + " (" + this.storeName + ")");
       }
 
       BloomFilterDescriptor.BloomFilterType type =
@@ -819,7 +822,8 @@
    */
   private void flushBloomFilter() throws IOException {
     if (LOG.isDebugEnabled()) {
-      LOG.debug("flushing bloom filter for " + this.storeName);
+      LOG.debug("flushing bloom filter for " + this.regionName + "/" +
+          this.familyName + " (" + this.storeName + ")");
     }
     FSDataOutputStream out =
       fs.create(new Path(filterDir, BLOOMFILTER_FILE_NAME));
@@ -829,7 +833,8 @@
       out.close();
     }
     if (LOG.isDebugEnabled()) {
-      LOG.debug("flushed bloom filter for " + this.storeName);
+      LOG.debug("flushed bloom filter for " + this.regionName + "/" +
+          this.familyName + " (" + this.storeName + ")");
     }
   }
   
@@ -871,7 +876,8 @@
       this.readers.clear();
       result = new ArrayList<HStoreFile>(storefiles.values());
       this.storefiles.clear();
-      LOG.debug("closed " + this.storeName);
+      LOG.debug("closed " + this.regionName + "/" + this.familyName + " ("
+          + this.storeName + ")");
       return result;
     } finally {
       this.lock.writeLock().unlock();
@@ -962,7 +968,8 @@
         if(LOG.isDebugEnabled()) {
           LOG.debug("Added " + name +
               " with sequence id " + logCacheFlushId + " and size " +
-              StringUtils.humanReadableInt(flushedFile.length()));
+              StringUtils.humanReadableInt(flushedFile.length()) + " for " +
+              this.regionName + "/" + this.familyName);
         }
       } finally {
         this.lock.writeLock().unlock();
@@ -1014,7 +1021,8 @@
       Path curCompactStore = getCompactionDir();
       if (LOG.isDebugEnabled()) {
         LOG.debug("started compaction of " + storefiles.size() +
-          " files using " + curCompactStore.toString());
+          " files using " + curCompactStore.toString() + " for " +
+          this.regionName + "/" + this.familyName);
       }
       if (this.fs.exists(curCompactStore)) {
         // Clean out its content in prep. for this new compaction.  Has either
@@ -1033,13 +1041,16 @@
       if (filesToCompact.size() < 1 ||
         (filesToCompact.size() == 1 && !filesToCompact.get(0).isReference())) {
         if (LOG.isDebugEnabled()) {
-          LOG.debug("nothing to compact for " + this.storeName);
+          LOG.debug("nothing to compact for " + this.regionName + "/" +
+              this.familyName + " (" + this.storeName + ")");
         }
         return false;
       }
 
       if (!fs.exists(curCompactStore) && !fs.mkdirs(curCompactStore)) {
-        LOG.warn("Mkdir on " + curCompactStore.toString() + " failed");
+        LOG.warn("Mkdir on " + curCompactStore.toString() + " for " +
+            this.regionName + "/" +
+            this.familyName + " failed");
         return false;
       }
 
@@ -1108,7 +1119,8 @@
         // exception message so output a message here where we know the
         // culprit.
         LOG.warn("Failed with " + e.toString() + ": " + hsf.toString() +
-          (hsf.isReference()? " " + hsf.getReference().toString(): ""));
+          (hsf.isReference() ? " " + hsf.getReference().toString() : "") +
+          " for " + this.regionName + "/" + this.familyName);
         closeCompactionReaders(rdrs);
         throw e;
       }
@@ -1208,7 +1220,8 @@
         try {
           rdrs[i].close();
         } catch (IOException e) {
-          LOG.warn("Exception closing reader", e);
+          LOG.warn("Exception closing reader for " + this.regionName + "/" +
+              this.familyName, e);
         }
       }
     }
@@ -1359,7 +1372,8 @@
         if (!fs.exists(doneFile)) {
           // The last execution didn't finish the compaction, so there's nothing 
           // we can do.  We'll just have to redo it. Abandon it and return.
-          LOG.warn("Redo failed compaction (missing 'done' file)");
+          LOG.warn("Redo failed compaction (missing 'done' file) for " +
+              this.regionName + "/" + this.familyName);
           return;
         }
 
@@ -1387,12 +1401,14 @@
             encodedRegionName, familyName, fs);
         if(LOG.isDebugEnabled()) {
           LOG.debug("moving " + compactedFile.toString() + " in " +
-              this.compactionDir.toString() +
-              " to " + finalCompactedFile.toString() + " in " + dir.toString());
+              this.compactionDir.toString() + " to " +
+              finalCompactedFile.toString() + " in " + dir.toString() +
+              " for " + this.regionName + "/" + this.familyName);
         }
         if (!compactedFile.rename(this.fs, finalCompactedFile)) {
           LOG.error("Failed move of compacted file " +
-              finalCompactedFile.toString());
+              finalCompactedFile.toString() + " for " + this.regionName + "/" +
+              this.familyName);
           return;
         }
 
@@ -1422,10 +1438,11 @@
             finalCompactedFile.getReader(this.fs, this.bloomFilter));
           this.storefiles.put(orderVal, finalCompactedFile);
         } catch (IOException e) {
-          LOG.error("Failed replacing compacted files. Compacted file is " +
-            finalCompactedFile.toString() + ".  Files replaced are " +
-            toCompactFiles.toString() +
-            " some of which may have been already removed", e);
+          LOG.error("Failed replacing compacted files for " +
+              this.regionName + "/" + this.familyName + ". Compacted file is " +
+              finalCompactedFile.toString() + ".  Files replaced are " +
+              toCompactFiles.toString() +
+              " some of which may have been already removed", e);
         }
       } finally {
         // 8. Releasing the write-lock
@@ -1682,12 +1699,11 @@
       if (target.getRow().equals(origin.getRow())) {
         // check the timestamp
         return target.getTimestamp() <= origin.getTimestamp();
-      } else {
-        return false;
       }
-    } else { // otherwise, we want to match on row and column
-      return target.matchesRowCol(origin);
+      return false;
     }
+    // otherwise, we want to match on row and column
+    return target.matchesRowCol(origin);
   }
   
   /**
@@ -1702,9 +1718,9 @@
     if (origin.getColumn().equals(new Text())){
       // if the row matches, then...
       return target.getRow().equals(origin.getRow());
-    } else { // otherwise, we want to match on row and column
-      return target.matchesRowCol(origin);
     }
+    // otherwise, we want to match on row and column
+    return target.matchesRowCol(origin);
   }
   
   /*
@@ -1779,7 +1795,8 @@
         midKey.set(((HStoreKey)midkey).getRow());
       }
     } catch(IOException e) {
-      LOG.warn("Failed getting store size", e);
+      LOG.warn("Failed getting store size for " + this.regionName + "/" +
+          this.familyName, e);
     } finally {
       this.lock.readLock().unlock();
     }
@@ -1922,7 +1939,7 @@
           try {
             readers[i].close();
           } catch(IOException e) {
-            LOG.error("Sub-scanner close", e);
+            LOG.error(regionName + "/" + familyName + " closing sub-scanner", e);
           }
         }
         
@@ -1942,7 +1959,7 @@
               try {
                 readers[i].close();
               } catch(IOException e) {
-                LOG.error("Scanner close", e);
+                LOG.error(regionName + "/" + familyName + " closing scanner", e);
               }
             }
           }
@@ -2178,7 +2195,8 @@
         try {
           scanners[i].close();
         } catch (IOException e) {
-          LOG.warn("Failed closeing scanner " + i, e);
+          LOG.warn(regionName + "/" + familyName + " failed closing scanner "
+              + i, e);
         }
       } finally {
         scanners[i] = null;
@@ -2199,7 +2217,8 @@
         synchronized (activeScanners) {
           int numberOfScanners = activeScanners.decrementAndGet();
           if (numberOfScanners < 0) {
-            LOG.error("number of active scanners less than zero: " +
+            LOG.error(regionName + "/" + familyName +
+                " number of active scanners less than zero: " +
                 numberOfScanners + " resetting to zero");
             activeScanners.set(0);
             numberOfScanners = 0;

Modified: lucene/hadoop/trunk/src/contrib/hbase/src/test/org/apache/hadoop/hbase/TestToString.java
URL: http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/contrib/hbase/src/test/org/apache/hadoop/hbase/TestToString.java?rev=604325&r1=604324&r2=604325&view=diff
==============================================================================
--- lucene/hadoop/trunk/src/contrib/hbase/src/test/org/apache/hadoop/hbase/TestToString.java
(original)
+++ lucene/hadoop/trunk/src/contrib/hbase/src/test/org/apache/hadoop/hbase/TestToString.java
Fri Dec 14 14:57:29 2007
@@ -55,9 +55,9 @@
     HRegionInfo hri = HRegionInfo.rootRegionInfo;
     System.out.println(hri.toString());
     assertEquals("HRegionInfo", 
-      "regionname: -ROOT-,,0, startKey: <>, tableDesc: {name: -ROOT-, " +
-      "families: {info:={name: info, max versions: 1, compression: NONE, " +
-      "in memory: false, max length: 2147483647, bloom filter: none}}}",
-      hri.toString());
+      "regionname: -ROOT-,,0, startKey: <>, encodedName(70236052) tableDesc: " +
+      "{name: -ROOT-, families: {info:={name: info, max versions: 1, " +
+      "compression: NONE, in memory: false, max length: 2147483647, bloom " +
+      "filter: none}}}", hri.toString());
   }
 }



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