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From st...@apache.org
Subject svn commit: r938153 - in /hadoop/hbase/branches/0.20_pre_durability/src: contrib/transactional/src/java/org/apache/hadoop/hbase/client/transactional/ contrib/transactional/src/java/org/apache/hadoop/hbase/regionserver/tableindexed/ docs/src/documentati...
Date Mon, 26 Apr 2010 17:52:15 GMT
Author: stack
Date: Mon Apr 26 17:52:15 2010
New Revision: 938153

URL: http://svn.apache.org/viewvc?rev=938153&view=rev
Log:
Update of release notes in prep. for RC4

Modified:
    hadoop/hbase/branches/0.20_pre_durability/src/contrib/transactional/src/java/org/apache/hadoop/hbase/client/transactional/HBaseBackedTransactionLogger.java
    hadoop/hbase/branches/0.20_pre_durability/src/contrib/transactional/src/java/org/apache/hadoop/hbase/regionserver/tableindexed/IndexedRegion.java
    hadoop/hbase/branches/0.20_pre_durability/src/docs/src/documentation/content/xdocs/releasenotes.xml

Modified: hadoop/hbase/branches/0.20_pre_durability/src/contrib/transactional/src/java/org/apache/hadoop/hbase/client/transactional/HBaseBackedTransactionLogger.java
URL: http://svn.apache.org/viewvc/hadoop/hbase/branches/0.20_pre_durability/src/contrib/transactional/src/java/org/apache/hadoop/hbase/client/transactional/HBaseBackedTransactionLogger.java?rev=938153&r1=938152&r2=938153&view=diff
==============================================================================
--- hadoop/hbase/branches/0.20_pre_durability/src/contrib/transactional/src/java/org/apache/hadoop/hbase/client/transactional/HBaseBackedTransactionLogger.java
(original)
+++ hadoop/hbase/branches/0.20_pre_durability/src/contrib/transactional/src/java/org/apache/hadoop/hbase/client/transactional/HBaseBackedTransactionLogger.java
Mon Apr 26 17:52:15 2010
@@ -30,6 +30,7 @@ import org.apache.hadoop.hbase.client.De
 import org.apache.hadoop.hbase.client.Get;
 import org.apache.hadoop.hbase.client.HBaseAdmin;
 import org.apache.hadoop.hbase.client.HTable;
+import org.apache.hadoop.hbase.client.HTablePool;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.util.Bytes;
@@ -63,8 +64,19 @@ public class HBaseBackedTransactionLogge
   }
 
   private Random random = new Random();
-  private HTable table;
+  private HTablePool tablePool = new HTablePool();
 
+  private HTable getTable() {
+    return tablePool.getTable(TABLE_NAME);
+  }
+  
+  private void putTable(HTable t) {
+    if (t == null) {
+      return;
+    }
+    tablePool.putTable(t);
+  }
+  
   public HBaseBackedTransactionLogger() throws IOException {
     initTable();
   }
@@ -75,8 +87,6 @@ public class HBaseBackedTransactionLogge
     if (!admin.tableExists(TABLE_NAME)) {
       throw new RuntimeException("Table not created. Call createTable() first");
     }
-    this.table = new HTable(TABLE_NAME);
-
   }
 
   public long createNewTransactionLog() {
@@ -85,7 +95,11 @@ public class HBaseBackedTransactionLogge
 
     do {
       id = random.nextLong();
+      try {
       existing = getStatusForTransaction(id);
+      } catch (IOException e) {
+        throw new RuntimeException(e);
+      }
     } while (existing != null);
     
     setStatusForTransaction(id, TransactionStatus.PENDING);
@@ -93,7 +107,8 @@ public class HBaseBackedTransactionLogge
     return id;
   }
 
-  public TransactionStatus getStatusForTransaction(long transactionId) {
+  public TransactionStatus getStatusForTransaction(long transactionId) throws IOException
{
+    HTable table = getTable();
     try {
       Result result = table.get(new Get(getRow(transactionId)));
       if (result == null || result.isEmpty()) {
@@ -108,6 +123,8 @@ public class HBaseBackedTransactionLogge
 
     } catch (IOException e) {
       throw new RuntimeException(e);
+    }finally {
+      putTable(table);
     }
   }
   
@@ -120,20 +137,26 @@ public class HBaseBackedTransactionLogge
     Put update = new Put(getRow(transactionId));
     update.add(STATUS_COLUMN_BYTES, HConstants.LATEST_TIMESTAMP, Bytes.toBytes(status.name()));
 
+    HTable table = getTable();
     try {
       table.put(update);
     } catch (IOException e) {
       throw new RuntimeException(e);
+    } finally {
+      putTable(table);
     }
   }
 
   public void forgetTransaction(long transactionId) {
     Delete delete = new Delete(getRow(transactionId));
-
+    
+    HTable table = getTable();
     try {
       table.delete(delete);
     } catch (IOException e) {
       throw new RuntimeException(e);
+    }finally {
+      putTable(table);
     }
   }
 

Modified: hadoop/hbase/branches/0.20_pre_durability/src/contrib/transactional/src/java/org/apache/hadoop/hbase/regionserver/tableindexed/IndexedRegion.java
URL: http://svn.apache.org/viewvc/hadoop/hbase/branches/0.20_pre_durability/src/contrib/transactional/src/java/org/apache/hadoop/hbase/regionserver/tableindexed/IndexedRegion.java?rev=938153&r1=938152&r2=938153&view=diff
==============================================================================
--- hadoop/hbase/branches/0.20_pre_durability/src/contrib/transactional/src/java/org/apache/hadoop/hbase/regionserver/tableindexed/IndexedRegion.java
(original)
+++ hadoop/hbase/branches/0.20_pre_durability/src/contrib/transactional/src/java/org/apache/hadoop/hbase/regionserver/tableindexed/IndexedRegion.java
Mon Apr 26 17:52:15 2010
@@ -44,6 +44,7 @@ import org.apache.hadoop.hbase.Leases;
 import org.apache.hadoop.hbase.client.Delete;
 import org.apache.hadoop.hbase.client.Get;
 import org.apache.hadoop.hbase.client.HTable;
+import org.apache.hadoop.hbase.client.HTablePool;
 import org.apache.hadoop.hbase.client.Put;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.tableindexed.IndexSpecification;
@@ -59,7 +60,7 @@ class IndexedRegion extends Transactiona
 
   private final HBaseConfiguration conf;
   private final IndexedTableDescriptor indexTableDescriptor;
-  private Map<IndexSpecification, HTable> indexSpecToTable = new HashMap<IndexSpecification,
HTable>();
+  private final HTablePool tablePool;
 
   public IndexedRegion(final Path basedir, final HLog log, final FileSystem fs,
       final HBaseConfiguration conf, final HRegionInfo regionInfo,
@@ -67,17 +68,20 @@ class IndexedRegion extends Transactiona
     super(basedir, log, fs, conf, regionInfo, flushListener, trxLeases);
     this.indexTableDescriptor = new IndexedTableDescriptor(regionInfo.getTableDesc());
     this.conf = conf;
+    this.tablePool = new HTablePool();
   }
 
-  private synchronized HTable getIndexTable(IndexSpecification index)
+  private HTable getIndexTable(IndexSpecification index)
       throws IOException {
-    HTable indexTable = indexSpecToTable.get(index);
-    if (indexTable == null) {
-      indexTable = new HTable(conf, index.getIndexedTableName(super
+    return tablePool.getTable(index.getIndexedTableName(super
           .getRegionInfo().getTableDesc().getName()));
-      indexSpecToTable.put(index, indexTable);
+  }
+  
+  private void putTable(HTable t) {
+    if (t==null) {
+      return;
     }
-    return indexTable;
+    tablePool.putTable(t);
   }
 
   private Collection<IndexSpecification> getIndexes() {

Modified: hadoop/hbase/branches/0.20_pre_durability/src/docs/src/documentation/content/xdocs/releasenotes.xml
URL: http://svn.apache.org/viewvc/hadoop/hbase/branches/0.20_pre_durability/src/docs/src/documentation/content/xdocs/releasenotes.xml?rev=938153&r1=938152&r2=938153&view=diff
==============================================================================
--- hadoop/hbase/branches/0.20_pre_durability/src/docs/src/documentation/content/xdocs/releasenotes.xml
(original)
+++ hadoop/hbase/branches/0.20_pre_durability/src/docs/src/documentation/content/xdocs/releasenotes.xml
Mon Apr 26 17:52:15 2010
@@ -18,39 +18,32 @@
 <!DOCTYPE document PUBLIC "-//APACHE//DTD Documentation V2.0//EN"
           "http://forrest.apache.org/dtd/document-v20.dtd">
 
+
 <document> 
 <header> 
     <title>
-        Release Notes - Hadoop HBase - Version 0.20.4
+   Release Notes - Hadoop HBase - Version 0.20.4
     </title>
 </header> 
 <body>
     <section>
-        <title>Release Notes - Hadoop HBase - Version 0.20.4
-        </title>
-    <section>
-
+<section>
+    
 <title>        Sub-task
 </title>
 <ul>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2242'>HBASE-2242</a>]
-         [EC2] Downgrade JDK to 6u17 and rebuild AMIs
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2261'>HBASE-2261</a>]
-         The javadoc in WhileMatchFilter and it's tests in TestFilter are not accurate/wrong.
-</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2263'>HBASE-2263</a>]
-         [stargate] multiuser mode: authenticator for zookeeper
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2274'>HBASE-2274</a>]
-         [stargate] support specification of filters for scanners: JSON descriptors
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2299'>HBASE-2299</a>]
-         [EC2] mapreduce fixups for PE
-</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2319'>HBASE-2319</a>]
-         [stargate] multiuser mode: request shaping
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2327'>HBASE-2327</a>]
-         [EC2] Allocate elastic IP addresses for ZK and master nodes
-</li>
 </ul>
+</section>
+<section>
     
-    </section>
-    <section>
 <title>        Bug
 </title>
 <ul>
@@ -60,20 +53,14 @@
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2063'>HBASE-2063</a>]
-         For hfileoutputformat, on timeout/failure/kill clean up half-written hfile
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2066'>HBASE-2066</a>]
-         Perf: parallelize puts
-</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2087'>HBASE-2087</a>]
-         The wait on compaction because &quot;Too many store files&quot; holds up
all flushing
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2101'>HBASE-2101</a>]
-         KeyValueSortReducer collapses all values to last passed
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2119'>HBASE-2119</a>]
-         Fix top-level NOTICES.txt file.  Its stale.
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2147'>HBASE-2147</a>]
-         run zookeeper in the same jvm as master during non-distributed mode
-</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2173'>HBASE-2173</a>]
-         New idx javadoc not included with the rest
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2177'>HBASE-2177</a>]
-         Add timestamping to gc logging options
 </li>
+<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2180'>HBASE-2180</a>]
-         Bad random read performance from synchronizing hfile.fddatainputstream
+</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2199'>HBASE-2199</a>]
-         hbase.client.tableindexed.IndexSpecification, lines 72-73 should be reversed
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2202'>HBASE-2202</a>]
-         IdxRegion crash when binary characters
@@ -88,7 +75,7 @@
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2207'>HBASE-2207</a>]
-         [IHBASE] Index partial column values 
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2219'>HBASE-2219</a>]
-         stop using code mapping for method names in the RPC
+<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2210'>HBASE-2210</a>]
-         NPE in thrift deleteAll
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2227'>HBASE-2227</a>]
-         [IHBASE] Idx Expression functionality is incompatible with SingleColumnValueFilter
 
 </li>
@@ -104,70 +91,38 @@
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2259'>HBASE-2259</a>]
-         StackOverflow in ExplicitColumnTracker when row has many columns
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2269'>HBASE-2269</a>]
-         PerformanceEvaluation &quot;--nomapred&quot; may assign duplicate random
seed over multiple testing threads
-</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2271'>HBASE-2271</a>]
-         tableindexed.TestIndexedTable hanging
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2283'>HBASE-2283</a>]
-         row level atomicity 
-</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2284'>HBASE-2284</a>]
-         fsWriteLatency metric may be incorrectly reported 
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2287'>HBASE-2287</a>]
-         TypeError in shell
-</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2288'>HBASE-2288</a>]
-         Shell fails on alter
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2293'>HBASE-2293</a>]
-         CME in RegionManager#isMetaServer
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2295'>HBASE-2295</a>]
-         Row locks may deadlock with themselves
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2305'>HBASE-2305</a>]
-         Client port for ZK has no default
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2307'>HBASE-2307</a>]
-         hbase-2295 changed hregion size, testheapsize broke... fix it.
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2308'>HBASE-2308</a>]
-         Fix the bin/rename_table.rb script, make it work again
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2311'>HBASE-2311</a>]
-         Not having assertions enabled causes index contrib tests to fail
-</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2322'>HBASE-2322</a>]
-         deadlock between put and cacheflusher in 0.20 branch
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2323'>HBASE-2323</a>]
-         filter.RegexStringComparator does not work with certain bytes
-</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2335'>HBASE-2335</a>]
-         mapred package docs don't say zookeeper jar is a dependency.
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2338'>HBASE-2338</a>]
-         log recovery: deleted items may be resurrected
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2344'>HBASE-2344</a>]
-         InfoServer and hence HBase Master doesn't fully start if you have HADOOP-6151 patch
-</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2346'>HBASE-2346</a>]
-         Usage of FilterList slows down scans
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2355'>HBASE-2355</a>]
-         unsychronized logWriters map is mutated from several threads in HLog splitting
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2358'>HBASE-2358</a>]
-         Store doReconstructionLog will fail if oldlogfile.log is empty and won't load region
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2359'>HBASE-2359</a>]
-         WALEdit doesn't implement HeapSize
-</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2365'>HBASE-2365</a>]
-         Double-assignment around split
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2373'>HBASE-2373</a>]
-         Remove confusing log message of how &quot;BaseScanner GET got different address/startcode
than SCAN&quot;
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2378'>HBASE-2378</a>]
-         Bulk insert with multiple reducers broken due to improper ImmutableBytesWritable
comparator
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2389'>HBASE-2389</a>]
-         HTable - delete / put unnecessary sync. 
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2398'>HBASE-2398</a>]
-         NPE in HLog.append when calling writer.getLength
-</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2402'>HBASE-2402</a>]
-         [stargate] set maxVersions on gets
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2407'>HBASE-2407</a>]
-         NPE in TableServers.deleteCachedLocation
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2410'>HBASE-2410</a>]
-         spurious warnings from util.Sleeper
-</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2417'>HBASE-2417</a>]
-         HCM.locateRootRegion fails hard on &quot;Connection refused&quot;
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2422'>HBASE-2422</a>]
-         Remove fragmentation indicator for 0.20.4... fix in 0.20.5.
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2431'>HBASE-2431</a>]
-         ZK settings for initLimit/syncLimit shouldn't have been removed from hbase-default.xml
-</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2439'>HBASE-2439</a>]
-         HBase can get stuck if updates to META are blocked
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2443'>HBASE-2443</a>]
-         IPC client can throw NPE if socket creation fails
@@ -184,21 +139,21 @@
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2460'>HBASE-2460</a>]
-         add_table.rb deletes any tables for which the target table name is a prefix
 </li>
+<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2474'>HBASE-2474</a>]
-         Bug in 2248 - mixed version reads (not allowed by spec)
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2493'>HBASE-2493</a>]
-         [Transactional Contrib] Avoid unsafe concurrent use of HTable.
+</li>
 </ul>
+</section>
+<section>
     
-    </section>
-    <section>
 <title>        Improvement
 </title>
 <ul>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-1505'>HBASE-1505</a>]
-         [performance] hfile should change how it reads from hdfs -- pread/seek+read -- dependent
on recent history
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-1696'>HBASE-1696</a>]
-         [stargate] support specification of filters for scanners
-</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-1892'>HBASE-1892</a>]
-         [performance] make hbase splits run faster
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2074'>HBASE-2074</a>]
-         Improvements to the hadoop-config script
-</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2167'>HBASE-2167</a>]
-         PE for IHBase
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2174'>HBASE-2174</a>]
-         Stop from resolving HRegionServer addresses to names using DNS on every heartbeat
@@ -215,32 +170,16 @@
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2230'>HBASE-2230</a>]
-         SingleColumnValueFilter has an ungaurded debug log message.
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2234'>HBASE-2234</a>]
-         Roll Hlog if any datanode in the write pipeline dies
-</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2257'>HBASE-2257</a>]
-         [stargate] multiuser mode
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2262'>HBASE-2262</a>]
-         ZKW.ensureExists should check for existence
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2270'>HBASE-2270</a>]
-         Improve how we handle recursive calls in ExplicitColumnTracker and WildcardColumnTracker
-</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2273'>HBASE-2273</a>]
-         [stargate] export metrics via Hadoop metrics, JMX, and ZooKeeper
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2277'>HBASE-2277</a>]
-         Update branch to hadoop 0.20.2
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2298'>HBASE-2298</a>]
-         Backport of &quot;HLog Group Commit&quot; to 0.20 branch.
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2302'>HBASE-2302</a>]
-         Optimize M-R by bulk excluding regions - less InputSplit-s  to avoid traffic on
region servers when performing M-R on a subset of the table
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2349'>HBASE-2349</a>]
-         Backport HBaseTestingUtility to branch (will include adding support for junit4 to
branch)
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2385'>HBASE-2385</a>]
-         Debug Message &quot;Received report from unknown server&quot; should be
INFO or WARN
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2388'>HBASE-2388</a>]
-         Give a very explicit message when we figure a big GC pause
-</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2403'>HBASE-2403</a>]
-         [stargate] client HTable interface to REST connector
 </li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2411'>HBASE-2411</a>]
-         findbugs target
-</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2412'>HBASE-2412</a>]
-         [stargate] PerformanceEvaluation
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2419'>HBASE-2419</a>]
-         Remove from RS logs the fat NotServingRegionException stack
@@ -252,23 +191,21 @@
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2453'>HBASE-2453</a>]
-         Revisit compaction policies after HBASE-2248 commit
 </li>
 </ul>
+</section>
+<section>
     
-    </section>
-    <section>
 <title>        New Feature
 </title>
 <ul>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2220'>HBASE-2220</a>]
-         Add a binary comparator that only compares up to the length of the supplied byte
array
 </li>
 </ul>
-    </section>
-    <section>
                     
+</section>
+<section>
 <title>        Task
 </title>
 <ul>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2340'>HBASE-2340</a>]
-         Add end-to-end test of sync/flush
-</li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2360'>HBASE-2360</a>]
-         Make sure we have all the hadoop fixes in our our copy of its rpc
 </li>
 <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2381'>HBASE-2381</a>]
-         missing copyright headers
@@ -285,6 +222,29 @@
 </li>
 </ul>
             
+
+</section>
+<section>
+
+<title>        Sub-task
+</title>
+<ul>
+<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2242'>HBASE-2242</a>]
-         [EC2] Downgrade JDK to 6u17 and rebuild AMIs
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2261'>HBASE-2261</a>]
-         The javadoc in WhileMatchFilter and it's tests in TestFilter are not accurate/wrong.
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2263'>HBASE-2263</a>]
-         [stargate] multiuser mode: authenticator for zookeeper
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2274'>HBASE-2274</a>]
-         [stargate] support specification of filters for scanners: JSON descriptors
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2299'>HBASE-2299</a>]
-         [EC2] mapreduce fixups for PE
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2319'>HBASE-2319</a>]
-         [stargate] multiuser mode: request shaping
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2327'>HBASE-2327</a>]
-         [EC2] Allocate elastic IP addresses for ZK and master nodes
+</li>
+</ul>
+    
 </section>
 </section>
 </body>



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