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From st...@apache.org
Subject svn commit: r941076 - /hadoop/hbase/branches/0.20_pre_durability/src/docs/src/documentation/content/xdocs/releasenotes.xml
Date Tue, 04 May 2010 22:22:54 GMT
Author: stack
Date: Tue May  4 22:22:54 2010
New Revision: 941076

URL: http://svn.apache.org/viewvc?rev=941076&view=rev
Log:
Update release notes for RC6

Modified:
    hadoop/hbase/branches/0.20_pre_durability/src/docs/src/documentation/content/xdocs/releasenotes.xml

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=941076&r1=941075&r2=941076&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
Tue May  4 22:22:54 2010
@@ -26,199 +26,197 @@
     </title>
 </header> 
 <body>
-    <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-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-2319'>HBASE-2319</a>]
-         [stargate] multiuser mode: request shaping
-</li>
-</ul>
-    
-</section><section><title>        Bug
-</title>
-<ul>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-1679'>HBASE-1679</a>]
-         Flapping DNS does us more harm than it need to
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2023'>HBASE-2023</a>]
-         Client sync block can cause 1 thread of a multi-threaded client to block all others
-</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-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-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
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2203'>HBASE-2203</a>]
-         [IHBase] Include only those columns required for indexed scan
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2204'>HBASE-2204</a>]
-         [IHBASE] Index expression evaluation should fail with a DoNotRetryException in case
of an invalid index specification
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2205'>HBASE-2205</a>]
-         [IHBASE] Updated Idx pacakge javadocs
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2206'>HBASE-2206</a>]
-         [IHBASE] Idx memory allocation fix
-</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-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>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2241'>HBASE-2241</a>]
-         Change balancer sloppyness from 0.1 to 0.3
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2244'>HBASE-2244</a>]
-         META gets inconsistent in a number of crash scenarios
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2248'>HBASE-2248</a>]
-         Provide new non-copy mechanism to assure atomic reads in get and scan
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2252'>HBASE-2252</a>]
-         Mapping a very big table kills region servers
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2258'>HBASE-2258</a>]
-         The WhileMatchFilter doesn't delegate the call to filterRow()
-</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-2271'>HBASE-2271</a>]
-         tableindexed.TestIndexedTable hanging
-</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-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-2322'>HBASE-2322</a>]
-         deadlock between put and cacheflusher in 0.20 branch
-</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-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-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-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-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-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
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2448'>HBASE-2448</a>]
-         Scanner threads are interrupted without acquiring lock properly
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2451'>HBASE-2451</a>]
-         .META. by-passes cache; BLOCKCACHE=&gt;'false'
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2456'>HBASE-2456</a>]
-         deleteChangedReaderObserver spitting warnings after HBASE-2248
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2457'>HBASE-2457</a>]
-         RS gets stuck compacting region ad infinitum
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2458'>HBASE-2458</a>]
-         Client stuck in TreeMap,remove
-</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-2499'>HBASE-2499</a>]
-         Race condition when disabling a table leaves regions in transition
-</li>
-</ul>
-    
-</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-1892'>HBASE-1892</a>]
-         [performance] make hbase splits run faster
-</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
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2185'>HBASE-2185</a>]
-         Add html version of default hbase-site.xml 
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2189'>HBASE-2189</a>]
-         HCM trashes meta cache even when not needed
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2190'>HBASE-2190</a>]
-         HRS should report to master when HMsg are available
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2198'>HBASE-2198</a>]
-         SingleColumnValueFilter should be able to find the column value even when it's not
specifically added as input on the scan.
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2222'>HBASE-2222</a>]
-         Improve log &quot;Trying to contact region server Some server for region , row
'ip_info_100,,1263329969690', but failed after 11 attempts.&quot;
-</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-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-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-2403'>HBASE-2403</a>]
-         [stargate] client HTable interface to REST connector
-</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
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2436'>HBASE-2436</a>]
-         [stargate] review Jersey and JSON dependencies
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2440'>HBASE-2440</a>]
-         Master UI should check against known bad JDK versions and warn the user
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2453'>HBASE-2453</a>]
-         Revisit compaction policies after HBASE-2248 commit
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2490'>HBASE-2490</a>]
-         Improve the javadoc of the client API for HTable.
-</li>
-</ul>
-    
-</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><title>        Task
-</title>
-<ul>
-<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
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2383'>HBASE-2383</a>]
-         Replace JSON-licensed json dependencies
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2415'>HBASE-2415</a>]
-         Disable META splitting in 0.20
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2423'>HBASE-2423</a>]
-         Update 'Getting Started' for 0.20.4 including making &quot;important configurations
more visiable&quot;
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2427'>HBASE-2427</a>]
-         Replace JSON-licensed json dependencies
-</li>
-<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2446'>HBASE-2446</a>]
-         Remove 'indexed' contrib
-</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-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-2319'>HBASE-2319</a>]
-         [stargate] multiuser mode: request shaping
+        </li>
+    </ul>
+        
+    </section><section><title>        Bug
+    </title>
+    <ul>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-1679'>HBASE-1679</a>]
-         Flapping DNS does us more harm than it need to
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2023'>HBASE-2023</a>]
-         Client sync block can cause 1 thread of a multi-threaded client to block all others
+        </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-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-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
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2203'>HBASE-2203</a>]
-         [IHBase] Include only those columns required for indexed scan
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2204'>HBASE-2204</a>]
-         [IHBASE] Index expression evaluation should fail with a DoNotRetryException in case
of an invalid index specification
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2205'>HBASE-2205</a>]
-         [IHBASE] Updated Idx pacakge javadocs
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2206'>HBASE-2206</a>]
-         [IHBASE] Idx memory allocation fix
+        </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-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>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2241'>HBASE-2241</a>]
-         Change balancer sloppyness from 0.1 to 0.3
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2244'>HBASE-2244</a>]
-         META gets inconsistent in a number of crash scenarios
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2248'>HBASE-2248</a>]
-         Provide new non-copy mechanism to assure atomic reads in get and scan
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2252'>HBASE-2252</a>]
-         Mapping a very big table kills region servers
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2258'>HBASE-2258</a>]
-         The WhileMatchFilter doesn't delegate the call to filterRow()
+        </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-2271'>HBASE-2271</a>]
-         tableindexed.TestIndexedTable hanging
+        </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-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-2322'>HBASE-2322</a>]
-         deadlock between put and cacheflusher in 0.20 branch
+        </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-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-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-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-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-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
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2448'>HBASE-2448</a>]
-         Scanner threads are interrupted without acquiring lock properly
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2451'>HBASE-2451</a>]
-         .META. by-passes cache; BLOCKCACHE=&gt;'false'
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2456'>HBASE-2456</a>]
-         deleteChangedReaderObserver spitting warnings after HBASE-2248
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2457'>HBASE-2457</a>]
-         RS gets stuck compacting region ad infinitum
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2458'>HBASE-2458</a>]
-         Client stuck in TreeMap,remove
+        </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-2499'>HBASE-2499</a>]
-         Race condition when disabling a table leaves regions in transition
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2509'>HBASE-2509</a>]
-         NPEs in various places, HRegion.get, HRS.close
+        </li>
+    </ul>
+        
+    </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-1892'>HBASE-1892</a>]
-         [performance] make hbase splits run faster
+        </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
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2185'>HBASE-2185</a>]
-         Add html version of default hbase-site.xml 
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2189'>HBASE-2189</a>]
-         HCM trashes meta cache even when not needed
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2190'>HBASE-2190</a>]
-         HRS should report to master when HMsg are available
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2198'>HBASE-2198</a>]
-         SingleColumnValueFilter should be able to find the column value even when it's not
specifically added as input on the scan.
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2222'>HBASE-2222</a>]
-         Improve log &quot;Trying to contact region server Some server for region , row
'ip_info_100,,1263329969690', but failed after 11 attempts.&quot;
+        </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-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-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-2403'>HBASE-2403</a>]
-         [stargate] client HTable interface to REST connector
+        </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
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2436'>HBASE-2436</a>]
-         [stargate] review Jersey and JSON dependencies
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2440'>HBASE-2440</a>]
-         Master UI should check against known bad JDK versions and warn the user
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2453'>HBASE-2453</a>]
-         Revisit compaction policies after HBASE-2248 commit
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2490'>HBASE-2490</a>]
-         Improve the javadoc of the client API for HTable.
+        </li>
+    </ul>
+        
+    </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><title>        Task
+    </title>
+    <ul>
+        <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
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2383'>HBASE-2383</a>]
-         Replace JSON-licensed json dependencies
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2415'>HBASE-2415</a>]
-         Disable META splitting in 0.20
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2423'>HBASE-2423</a>]
-         Update 'Getting Started' for 0.20.4 including making &quot;important configurations
more visiable&quot;
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2427'>HBASE-2427</a>]
-         Replace JSON-licensed json dependencies
+        </li>
+        <li>[<a href='https://issues.apache.org/jira/browse/HBASE-2446'>HBASE-2446</a>]
-         Remove 'indexed' contrib
+        </li>
+    </ul>
 </section>
+                
 </section>
 </body>
 </document>



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