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<h1>Apache Hadoop Changelog</h1>
<div class="section">
<h2><a name="Release_0.13.0_-_2007-06-08"></a>Release 0.13.0 - 2007-06-08</h2>
<div class="section">
<h3><a name="NEW_FEATURES:"></a>NEW FEATURES:</h3>
<table border="0" class="bodyTable">
<thead>
<tr class="a">
<th align="left"> JIRA </th>
<th align="left"> Summary </th>
<th align="left"> Priority </th>
<th align="left"> Component </th>
<th align="left"> Reporter </th>
<th align="left"> Contributor </th></tr>
</thead><tbody>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1120">HADOOP-1120</a> </td>
<td align="left"> Contribute some code helping implement map/reduce apps for joining data from multiple sources </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Runping Qi </td>
<td align="left"> Runping Qi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-702">HADOOP-702</a> </td>
<td align="left"> DFS Upgrade Proposal </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> Konstantin Shvachko </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1217">HADOOP-1217</a> </td>
<td align="left"> Specify a junit test timeout in build.xml files </td>
<td align="left"> Minor </td>
<td align="left"> build </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Nigel Daley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1251">HADOOP-1251</a> </td>
<td align="left"> A method to get the InputSplit from a Mapper </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1111">HADOOP-1111</a> </td>
<td align="left"> Job completion notification to a job configured URL </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Alejandro Abdelnur </td>
<td align="left"> </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1216">HADOOP-1216</a> </td>
<td align="left"> Hadoop should support reduce none option </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Runping Qi </td>
<td align="left"> Runping Qi </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1247">HADOOP-1247</a> </td>
<td align="left"> Make Hadoop Abacus work with Hadoop Streaming </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Runping Qi </td>
<td align="left"> Runping Qi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-485">HADOOP-485</a> </td>
<td align="left"> allow a different comparator for grouping keys in calls to reduce </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Tahir Hashmi </td></tr>
</tbody>
</table></div>
<div class="section">
<h3><a name="IMPROVEMENTS:"></a>IMPROVEMENTS:</h3>
<table border="0" class="bodyTable">
<thead>
<tr class="a">
<th align="left"> JIRA </th>
<th align="left"> Summary </th>
<th align="left"> Priority </th>
<th align="left"> Component </th>
<th align="left"> Reporter </th>
<th align="left"> Contributor </th></tr>
</thead><tbody>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1101">HADOOP-1101</a> </td>
<td align="left"> Add more statistics in the web-ui to do with tasks </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Devaraj Das </td>
<td align="left"> Devaraj Das </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1116">HADOOP-1116</a> </td>
<td align="left"> Add maxmemory=&#x201c;256m&#x201d; in the junit call of build-contrib.xml </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> Philippe Gassmann </td>
<td align="left"> </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1094">HADOOP-1094</a> </td>
<td align="left"> Optimize readFields and write methods in record I/O </td>
<td align="left"> Major </td>
<td align="left"> record </td>
<td align="left"> Milind Bhandarkar </td>
<td align="left"> Milind Bhandarkar </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1068">HADOOP-1068</a> </td>
<td align="left"> Improve error message for 0 datanode case </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> dhruba borthakur </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1131">HADOOP-1131</a> </td>
<td align="left"> Add a closeAll() static method to FileSystem </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Philippe Gassmann </td>
<td align="left"> </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1165">HADOOP-1165</a> </td>
<td align="left"> Code for toString in code generated by Record I/O Compiler can be generic </td>
<td align="left"> Minor </td>
<td align="left"> record </td>
<td align="left"> Milind Bhandarkar </td>
<td align="left"> Milind Bhandarkar </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1166">HADOOP-1166</a> </td>
<td align="left"> Pull the NullOutputFormat into the lib package </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1167">HADOOP-1167</a> </td>
<td align="left"> InMemoryFileSystem uses synchronizedtMaps with maps that are locked anyways </td>
<td align="left"> Minor </td>
<td align="left"> fs </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1194">HADOOP-1194</a> </td>
<td align="left"> map output should not do block level compression </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Runping Qi </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1133">HADOOP-1133</a> </td>
<td align="left"> Tools to analyze and debug namenode on a production cluster </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> dhruba borthakur </td>
<td align="left"> dhruba borthakur </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-988">HADOOP-988</a> </td>
<td align="left"> Namenode should use single map for block to its meta data. </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Raghu Angadi </td>
<td align="left"> Raghu Angadi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-978">HADOOP-978</a> </td>
<td align="left"> AlreadyBeingCreatedException detail message could contain more useful info </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Konstantin Shvachko </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-971">HADOOP-971</a> </td>
<td align="left"> DFS Scalabilty: Improve name node performance by adding a hostname to datanodes map </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Hairong Kuang </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-819">HADOOP-819</a> </td>
<td align="left"> LineRecordWriter should not always insert tab char between key and value </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Runping Qi </td>
<td align="left"> Runping Qi </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1213">HADOOP-1213</a> </td>
<td align="left"> When RPC call fails then log call message detail </td>
<td align="left"> Minor </td>
<td align="left"> ipc </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Doug Cutting </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1250">HADOOP-1250</a> </td>
<td align="left"> Remove the MustangFile class from streaming and promote the chmod into FileUtils </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1214">HADOOP-1214</a> </td>
<td align="left"> the first step for streaming clean up </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Runping Qi </td>
<td align="left"> Runping Qi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1148">HADOOP-1148</a> </td>
<td align="left"> re-indent all code </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Doug Cutting </td>
<td align="left"> Doug Cutting </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-968">HADOOP-968</a> </td>
<td align="left"> Reduce shuffle and merge should be done a child JVM </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Devaraj Das </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1260">HADOOP-1260</a> </td>
<td align="left"> need code review guidelines </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Nigel Daley </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1190">HADOOP-1190</a> </td>
<td align="left"> Fix unchecked warnings </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Tom White </td>
<td align="left"> Tom White </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1127">HADOOP-1127</a> </td>
<td align="left"> Speculative Execution and output of Reduce tasks </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Arun C Murthy </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1284">HADOOP-1284</a> </td>
<td align="left"> clean up the protocol between stream mapper/reducer and the framework </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Runping Qi </td>
<td align="left"> Runping Qi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1290">HADOOP-1290</a> </td>
<td align="left"> Move Hadoop Abacus to hadoop.mapred.lib </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Runping Qi </td>
<td align="left"> </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1304">HADOOP-1304</a> </td>
<td align="left"> MAX_TASK_FAILURES should be configurable </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Christian Kunz </td>
<td align="left"> Devaraj Das </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1308">HADOOP-1308</a> </td>
<td align="left"> Tighten generic Class restrictions in JobConf.java </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Michael Bieniosek </td>
<td align="left"> Michael Bieniosek </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1315">HADOOP-1315</a> </td>
<td align="left"> Hadoop Streaming code clean up </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Runping Qi </td>
<td align="left"> Runping Qi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1144">HADOOP-1144</a> </td>
<td align="left"> Hadoop should allow a configurable percentage of failed map tasks before declaring a job failed. </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Christian Kunz </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1263">HADOOP-1263</a> </td>
<td align="left"> retry logic when dfs exist or open fails temporarily, e.g because of timeout </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Christian Kunz </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1276">HADOOP-1276</a> </td>
<td align="left"> TaskTracker expiry interval is not configurable </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Alejandro Abdelnur </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1326">HADOOP-1326</a> </td>
<td align="left"> Return the RunningJob from JobClient.runJob </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1270">HADOOP-1270</a> </td>
<td align="left"> Randomize the fetch of map outputs </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Arun C Murthy </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1324">HADOOP-1324</a> </td>
<td align="left"> FSError encountered by one running task should not be fatal to other tasks on that node </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Devaraj Das </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1161">HADOOP-1161</a> </td>
<td align="left"> need improved release process </td>
<td align="left"> Major </td>
<td align="left"> build </td>
<td align="left"> Doug Cutting </td>
<td align="left"> Doug Cutting </td></tr>
</tbody>
</table></div>
<div class="section">
<h3><a name="BUG_FIXES:"></a>BUG FIXES:</h3>
<table border="0" class="bodyTable">
<thead>
<tr class="a">
<th align="left"> JIRA </th>
<th align="left"> Summary </th>
<th align="left"> Priority </th>
<th align="left"> Component </th>
<th align="left"> Reporter </th>
<th align="left"> Contributor </th></tr>
</thead><tbody>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1047">HADOOP-1047</a> </td>
<td align="left"> TestReplication fails because DFS does not guarantee all the replicas are placed when a file is closed </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Hairong Kuang </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1063">HADOOP-1063</a> </td>
<td align="left"> MiniDFSCluster exists a race condition that lead to data node resources are not properly released </td>
<td align="left"> Major </td>
<td align="left"> test </td>
<td align="left"> Hairong Kuang </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1071">HADOOP-1071</a> </td>
<td align="left"> RPC$VersionMismatch exception is not fatal to JobTracker </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Tahir Hashmi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1064">HADOOP-1064</a> </td>
<td align="left"> dfsclient logging messages should have appropriate log levels </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> dhruba borthakur </td>
<td align="left"> dhruba borthakur </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1137">HADOOP-1137</a> </td>
<td align="left"> StatusHttpServer assumes that resources for /static are in files </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Benjamin Reed </td>
<td align="left"> </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1122">HADOOP-1122</a> </td>
<td align="left"> Divide-by-zero exception in chooseTarget </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> dhruba borthakur </td>
<td align="left"> dhruba borthakur </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1085">HADOOP-1085</a> </td>
<td align="left"> Remove &#x2018;port rolling&#x2019; from Mini{DFS|MR}Cluster </td>
<td align="left"> Major </td>
<td align="left"> test </td>
<td align="left"> Arun C Murthy </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1153">HADOOP-1153</a> </td>
<td align="left"> DataNode and FSNamesystem don&#x2019;t shutdown cleanly </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Konstantin Shvachko </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1146">HADOOP-1146</a> </td>
<td align="left"> &#x201c;Reduce input records&#x201d; counter name is misleading </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> David Bowen </td>
<td align="left"> David Bowen </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1164">HADOOP-1164</a> </td>
<td align="left"> TestReplicationPolicy doesn&#x2019;t use port 0 for the NameNode </td>
<td align="left"> Major </td>
<td align="left"> test </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1169">HADOOP-1169</a> </td>
<td align="left"> CopyFiles skips src files of s3 urls </td>
<td align="left"> Minor </td>
<td align="left"> util </td>
<td align="left"> stack </td>
<td align="left"> </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1110">HADOOP-1110</a> </td>
<td align="left"> JobTracker WebUI &#x201c;Map input records&#x201d; a little off. </td>
<td align="left"> Trivial </td>
<td align="left"> . </td>
<td align="left"> Koji Noguchi </td>
<td align="left"> David Bowen </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1178">HADOOP-1178</a> </td>
<td align="left"> NullPointer Exception in org.apache.hadoop.dfs.NameNode.isDir on namenode restart </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> dhruba borthakur </td>
<td align="left"> dhruba borthakur </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1011">HADOOP-1011</a> </td>
<td align="left"> ConcurrentModificationException in JobHistory </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Tahir Hashmi </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-672">HADOOP-672</a> </td>
<td align="left"> dfs shell enhancements </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Yoram Arnon </td>
<td align="left"> dhruba borthakur </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1170">HADOOP-1170</a> </td>
<td align="left"> Very high CPU usage on data nodes because of FSDataset.checkDataDir() on every connect </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Igor Bolotin </td>
<td align="left"> </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1090">HADOOP-1090</a> </td>
<td align="left"> In SortValidator, the check for whether a file belongs to sort-input or sort-output dir is weak </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Devaraj Das </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1081">HADOOP-1081</a> </td>
<td align="left"> JAVA_PLATFORM with spaces (i.e. Mac OS X-ppc-32) breaks bin/hadoop script </td>
<td align="left"> Major </td>
<td align="left"> scripts </td>
<td align="left"> Andrzej Bialecki </td>
<td align="left"> </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1156">HADOOP-1156</a> </td>
<td align="left"> NullPointerException in MiniDFSCluster </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1163">HADOOP-1163</a> </td>
<td align="left"> Ganglia metrics reporting is misconfigured </td>
<td align="left"> Minor </td>
<td align="left"> metrics </td>
<td align="left"> Michael Bieniosek </td>
<td align="left"> </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1187">HADOOP-1187</a> </td>
<td align="left"> DFS Scalability: avoid scanning entire list of datanodes in getAdditionalBlocks </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> dhruba borthakur </td>
<td align="left"> dhruba borthakur </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1151">HADOOP-1151</a> </td>
<td align="left"> streaming PipeMapRed prints system info to stderr </td>
<td align="left"> Trivial </td>
<td align="left"> . </td>
<td align="left"> Koji Noguchi </td>
<td align="left"> Koji Noguchi </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1203">HADOOP-1203</a> </td>
<td align="left"> UpgradeUtilities should use MiniDFSCluster to start and stop NameNode/DataNodes </td>
<td align="left"> Major </td>
<td align="left"> test </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Nigel Daley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1149">HADOOP-1149</a> </td>
<td align="left"> DFS Scalability: high cpu usage in addStoredBlock </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> dhruba borthakur </td>
<td align="left"> Raghu Angadi </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1073">HADOOP-1073</a> </td>
<td align="left"> DFS Scalability: high CPU usage in choosing replication targets and file open </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> dhruba borthakur </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1218">HADOOP-1218</a> </td>
<td align="left"> In TaskTracker the access to RunningJob object is not synchronized in one place </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Devaraj Das </td>
<td align="left"> Devaraj Das </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1219">HADOOP-1219</a> </td>
<td align="left"> Spurious progress messages should be discarded after a task is done </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Devaraj Das </td>
<td align="left"> Devaraj Das </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1198">HADOOP-1198</a> </td>
<td align="left"> ipc.client.timeout of 2000ms for test cases seems too small; causes too many timeouts and leads to hung test cases </td>
<td align="left"> Major </td>
<td align="left"> test </td>
<td align="left"> Arun C Murthy </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1211">HADOOP-1211</a> </td>
<td align="left"> Remove deprecated constructor and unused static members in DataNode class </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> Konstantin Shvachko </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1136">HADOOP-1136</a> </td>
<td align="left"> exception in UnderReplicatedBlocks:add when ther are more replicas of a block than required </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> dhruba borthakur </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1001">HADOOP-1001</a> </td>
<td align="left"> the output of the map is not type checked against the specified types </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Tahir Hashmi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1189">HADOOP-1189</a> </td>
<td align="left"> Still seeing some unexpected &#x2018;No space left on device&#x2019; exceptions </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Raghu Angadi </td>
<td align="left"> Raghu Angadi </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1204">HADOOP-1204</a> </td>
<td align="left"> Re-factor InputFormat/RecordReader related classes </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Runping Qi </td>
<td align="left"> Runping Qi </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1114">HADOOP-1114</a> </td>
<td align="left"> bin/hadoop script clobbers CLASSPATH </td>
<td align="left"> Minor </td>
<td align="left"> scripts </td>
<td align="left"> Michael Bieniosek </td>
<td align="left"> Doug Cutting </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1238">HADOOP-1238</a> </td>
<td align="left"> maps_running metric is only updated at the end of the task </td>
<td align="left"> Minor </td>
<td align="left"> metrics </td>
<td align="left"> Michael Bieniosek </td>
<td align="left"> David Bowen </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1093">HADOOP-1093</a> </td>
<td align="left"> NNBench generates millions of NotReplicatedYetException in Namenode log </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </td>
<td align="left"> dhruba borthakur </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1239">HADOOP-1239</a> </td>
<td align="left"> Classes in src/test/testjar need package name </td>
<td align="left"> Trivial </td>
<td align="left"> test </td>
<td align="left"> Jim Kellerman </td>
<td align="left"> Jim Kellerman </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1243">HADOOP-1243</a> </td>
<td align="left"> ClientProtocol.versionID should be 11 </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> dhruba borthakur </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1241">HADOOP-1241</a> </td>
<td align="left"> Null PointerException in processReport when namenode is restarted </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> dhruba borthakur </td>
<td align="left"> dhruba borthakur </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1244">HADOOP-1244</a> </td>
<td align="left"> stop-dfs.sh incorrectly specifies slaves file for stopping datanode </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Michael Bieniosek </td>
<td align="left"> dhruba borthakur </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1253">HADOOP-1253</a> </td>
<td align="left"> ConcurrentModificationException and NPE in JobControl </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Johan Oskarsson </td>
<td align="left"> Johan Oskarsson </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1256">HADOOP-1256</a> </td>
<td align="left"> Dfs image loading and edits loading creates multiple instances of DatanodeDescriptor for the same datanode </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Hairong Kuang </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1258">HADOOP-1258</a> </td>
<td align="left"> TestCheckpoint test case doesn&#x2019;t wait for MiniDFSCluster to be active </td>
<td align="left"> Trivial </td>
<td align="left"> test </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Nigel Daley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1154">HADOOP-1154</a> </td>
<td align="left"> streaming hang. (PipeMapRed$MROutputThread gone) </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Koji Noguchi </td>
<td align="left"> Koji Noguchi </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1275">HADOOP-1275</a> </td>
<td align="left"> job notification property in hadoop-default.xml is misspelled </td>
<td align="left"> Trivial </td>
<td align="left"> . </td>
<td align="left"> Alejandro Abdelnur </td>
<td align="left"> </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1152">HADOOP-1152</a> </td>
<td align="left"> Reduce task hang failing in MapOutputCopier.copyOutput </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Koji Noguchi </td>
<td align="left"> Tahir Hashmi </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1050">HADOOP-1050</a> </td>
<td align="left"> Do not count lost tasktracker against the job </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Arun C Murthy </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1271">HADOOP-1271</a> </td>
<td align="left"> The StreamBaseRecordReader is unable to log record data that&#x2019;s not UTF-8 </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Gautam Kowshik </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1262">HADOOP-1262</a> </td>
<td align="left"> file corruption detected because dfs client does not use replica blocks for checksum file </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> dhruba borthakur </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1279">HADOOP-1279</a> </td>
<td align="left"> list of completed jobs purges jobs based on submission not on completion age </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Alejandro Abdelnur </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1176">HADOOP-1176</a> </td>
<td align="left"> Reduce hang on huge map output </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Hairong Kuang </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1293">HADOOP-1293</a> </td>
<td align="left"> stderr from streaming skipped after first 20 lines. </td>
<td align="left"> Minor </td>
<td align="left"> . </td>
<td align="left"> Koji Noguchi </td>
<td align="left"> Koji Noguchi </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1297">HADOOP-1297</a> </td>
<td align="left"> datanode sending block reports to namenode once every second </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> dhruba borthakur </td>
<td align="left"> dhruba borthakur </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1294">HADOOP-1294</a> </td>
<td align="left"> Fix unchecked warnings in main Hadoop code under Java 6. </td>
<td align="left"> Major </td>
<td align="left"> test </td>
<td align="left"> Tom White </td>
<td align="left"> Tom White </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1299">HADOOP-1299</a> </td>
<td align="left"> Once RPC.stopClient has been called, RPC can not be used again </td>
<td align="left"> Minor </td>
<td align="left"> ipc </td>
<td align="left"> stack </td>
<td align="left"> stack </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1278">HADOOP-1278</a> </td>
<td align="left"> Fix the per-job tasktracker &#x2018;blacklist&#x2019; </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Arun C Murthy </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1272">HADOOP-1272</a> </td>
<td align="left"> Extract InnerClasses from FSNamesystem into separate classes </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> dhruba borthakur </td>
<td align="left"> dhruba borthakur </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1061">HADOOP-1061</a> </td>
<td align="left"> S3 listSubPaths bug </td>
<td align="left"> Critical </td>
<td align="left"> fs </td>
<td align="left"> Mike Smith </td>
<td align="left"> </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1312">HADOOP-1312</a> </td>
<td align="left"> heartbeat monitor thread goes away </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> dhruba borthakur </td>
<td align="left"> dhruba borthakur </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1322">HADOOP-1322</a> </td>
<td align="left"> Tasktracker blacklist leads to hung jobs in single-node cluster </td>
<td align="left"> Critical </td>
<td align="left"> . </td>
<td align="left"> Arun C Murthy </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1184">HADOOP-1184</a> </td>
<td align="left"> Decommission fails if a block that needs replication has only one replica </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> dhruba borthakur </td>
<td align="left"> </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1224">HADOOP-1224</a> </td>
<td align="left"> &#x201c;Browse the filesystem&#x201d; link pointing to a dead data-node </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> Enis Soztutar </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1200">HADOOP-1200</a> </td>
<td align="left"> Datanode should periodically do a disk check </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Hairong Kuang </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1252">HADOOP-1252</a> </td>
<td align="left"> Disk problems should be handled better by the MR framework </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Devaraj Das </td>
<td align="left"> Devaraj Das </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1310">HADOOP-1310</a> </td>
<td align="left"> Fix unchecked warnings in aggregate code </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Tom White </td>
<td align="left"> Tom White </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1255">HADOOP-1255</a> </td>
<td align="left"> Name-node falls into infinite loop trying to remove a dead node. </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Konstantin Shvachko </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1160">HADOOP-1160</a> </td>
<td align="left"> DistributedFileSystem doesn&#x2019;t close the RawDistributedFileSystem on close. </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1350">HADOOP-1350</a> </td>
<td align="left"> Shuffle started taking a very long time after the HADOOP-1176 fix </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Devaraj Das </td>
<td align="left"> Devaraj Das </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1345">HADOOP-1345</a> </td>
<td align="left"> Checksum object does not get restored to the old state in retries when handle ChecksumException </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Hairong Kuang </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1205">HADOOP-1205</a> </td>
<td align="left"> The open method of FSNamesystem should be synchronized </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Hairong Kuang </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1353">HADOOP-1353</a> </td>
<td align="left"> Null pointer dereference of nodeInfo in FSNamesystem.removeDatanode(DatanodeID) </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </td>
<td align="left"> dhruba borthakur </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1354">HADOOP-1354</a> </td>
<td align="left"> Null pointer dereference of paths in FsShell.dus(String) </td>
<td align="left"> Blocker </td>
<td align="left"> fs </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1358">HADOOP-1358</a> </td>
<td align="left"> seek call ignores result of skipBytes(int) </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1356">HADOOP-1356</a> </td>
<td align="left"> ValueHistogram.addNextValue(Object) ignores return value of String.substring(int, int) </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Runping Qi </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1363">HADOOP-1363</a> </td>
<td align="left"> waitForCompletion() calls Thread.sleep() with a lock held </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1368">HADOOP-1368</a> </td>
<td align="left"> Inconsistent synchronization of 3 fields in JobInProgress.java </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1369">HADOOP-1369</a> </td>
<td align="left"> Inconsistent synchronization of TaskTracker fields </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1361">HADOOP-1361</a> </td>
<td align="left"> seek calls in 3 io classes ignore result of skipBytes(int) </td>
<td align="left"> Blocker </td>
<td align="left"> io </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1388">HADOOP-1388</a> </td>
<td align="left"> Possible Null Pointer Dereference in taskdetails.jsp </td>
<td align="left"> Major </td>
<td align="left"> . </td>
<td align="left"> Devaraj Das </td>
<td align="left"> Devaraj Das </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1385">HADOOP-1385</a> </td>
<td align="left"> MD5Hash has a bad hash function </td>
<td align="left"> Major </td>
<td align="left"> io </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1386">HADOOP-1386</a> </td>
<td align="left"> The constructor of Path should not take an empty string as a parameter </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Hairong Kuang </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1407">HADOOP-1407</a> </td>
<td align="left"> Failed tasks not killing job </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1427">HADOOP-1427</a> </td>
<td align="left"> Typo in GzipCodec.createInputStream - bufferSize </td>
<td align="left"> Blocker </td>
<td align="left"> io </td>
<td align="left"> Espen Amble Kolstad </td>
<td align="left"> Espen Amble Kolstad </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1435">HADOOP-1435</a> </td>
<td align="left"> FileSystem.globPaths should not create a Path from an empty string </td>
<td align="left"> Blocker </td>
<td align="left"> fs </td>
<td align="left"> Hairong Kuang </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1411">HADOOP-1411</a> </td>
<td align="left"> AlreadyBeingCreatedException from task retries </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Hairong Kuang </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1242">HADOOP-1242</a> </td>
<td align="left"> dfs upgrade/downgrade problems </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Konstantin Shvachko </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1332">HADOOP-1332</a> </td>
<td align="left"> Sporadic unit test failures (TestMiniMRClasspath, TestMiniMRLocalFS, TestMiniMRDFSCaching) </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Nigel Daley </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="a">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1431">HADOOP-1431</a> </td>
<td align="left"> Map tasks can&#x2019;t timeout for failing to call progress </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Owen O&#x2019;Malley </td>
<td align="left"> Arun C Murthy </td></tr>
<tr class="b">
<td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-1452">HADOOP-1452</a> </td>
<td align="left"> map output transfers of more than 2^31 bytes output are failing </td>
<td align="left"> Blocker </td>
<td align="left"> . </td>
<td align="left"> Christian Kunz </td>
<td align="left"> Owen O&#x2019;Malley </td></tr>
</tbody>
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