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Posted to commits@hbase.apache.org by st...@apache.org on 2010/04/26 19:52:15 UTC
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...
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 "Too many store files" 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 "--nomapred" 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 "BaseScanner GET got different address/startcode than SCAN"
</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 "Connection refused"
</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 "HLog Group Commit" 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 "Received report from unknown server" 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>