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| <h1>Apache Hadoop Changelog</h1> |
| <div class="section"> |
| <h2><a name="Release_0.3.0_-_2006-06-02"></a>Release 0.3.0 - 2006-06-02</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-209">HADOOP-209</a> </td> |
| <td align="left"> Add a program to recursively copy directories across file systems </td> |
| <td align="left"> Major </td> |
| <td align="left"> fs </td> |
| <td align="left"> Milind Bhandarkar </td> |
| <td align="left"> </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-115">HADOOP-115</a> </td> |
| <td align="left"> permit reduce input types to differ from reduce output types </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-233">HADOOP-233</a> </td> |
| <td align="left"> add a http status server for the task trackers </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Owen O’Malley </td> |
| <td align="left"> Owen O’Malley </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-222">HADOOP-222</a> </td> |
| <td align="left"> Set replication from dfsshell </td> |
| <td align="left"> Trivial </td> |
| <td align="left"> . </td> |
| <td align="left"> Johan Oskarsson </td> |
| <td align="left"> Johan Oskarsson </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-256">HADOOP-256</a> </td> |
| <td align="left"> Implement a C api for hadoop dfs </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> |
| </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-204">HADOOP-204</a> </td> |
| <td align="left"> Need to tweak a few things in the metrics package to support the Simon plugin </td> |
| <td align="left"> Major </td> |
| <td align="left"> metrics </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-208">HADOOP-208</a> </td> |
| <td align="left"> add failure page to webapp </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Owen O’Malley </td> |
| <td align="left"> Owen O’Malley </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-202">HADOOP-202</a> </td> |
| <td align="left"> sort should use a smaller number of reduces </td> |
| <td align="left"> Trivial </td> |
| <td align="left"> . </td> |
| <td align="left"> Owen O’Malley </td> |
| <td align="left"> Owen O’Malley </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-212">HADOOP-212</a> </td> |
| <td align="left"> allow changes to dfs block size </td> |
| <td align="left"> Critical </td> |
| <td align="left"> . </td> |
| <td align="left"> Owen O’Malley </td> |
| <td align="left"> Owen O’Malley </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-218">HADOOP-218</a> </td> |
| <td align="left"> Inefficient calls to get configuration values in TaskInprogress </td> |
| <td align="left"> Minor </td> |
| <td align="left"> . </td> |
| <td align="left"> Mahadev konar </td> |
| <td align="left"> Mahadev konar </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-216">HADOOP-216</a> </td> |
| <td align="left"> Task Detail web page missing progress </td> |
| <td align="left"> Trivial </td> |
| <td align="left"> . </td> |
| <td align="left"> Bryan Pendleton </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-195">HADOOP-195</a> </td> |
| <td align="left"> improve performance of map output transfers </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Owen O’Malley </td> |
| <td align="left"> Owen O’Malley </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-254">HADOOP-254</a> </td> |
| <td align="left"> use http to shuffle data between the maps and the reduces </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Owen O’Malley </td> |
| <td align="left"> Owen O’Malley </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-75">HADOOP-75</a> </td> |
| <td align="left"> dfs should check full file availability only at close </td> |
| <td align="left"> Minor </td> |
| <td align="left"> . </td> |
| <td align="left"> Doug Cutting </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-211">HADOOP-211</a> </td> |
| <td align="left"> logging improvements for Hadoop </td> |
| <td align="left"> Minor </td> |
| <td align="left"> . </td> |
| <td align="left"> Sameer Paranjpye </td> |
| <td align="left"> Sameer Paranjpye </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-146">HADOOP-146</a> </td> |
| <td align="left"> potential conflict in block id’s, leading to data corruption </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Yoram Arnon </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-180">HADOOP-180</a> </td> |
| <td align="left"> task tracker times out cleaning big job </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Owen O’Malley </td> |
| <td align="left"> Owen O’Malley </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-200">HADOOP-200</a> </td> |
| <td align="left"> The map task names are sent to the reduces </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Owen O’Malley </td> |
| <td align="left"> Owen O’Malley </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-219">HADOOP-219</a> </td> |
| <td align="left"> SequenceFile#handleChecksumException NPE </td> |
| <td align="left"> Trivial </td> |
| <td align="left"> io </td> |
| <td align="left"> stack </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-179">HADOOP-179</a> </td> |
| <td align="left"> task tracker ghosts remain after 10 minutes </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Owen O’Malley </td> |
| <td align="left"> Owen O’Malley </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-161">HADOOP-161</a> </td> |
| <td align="left"> dfs blocks define equal, but not hashcode </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Owen O’Malley </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-228">HADOOP-228</a> </td> |
| <td align="left"> hadoop cp should have a -config option </td> |
| <td align="left"> Minor </td> |
| <td align="left"> fs </td> |
| <td align="left"> Yoram Arnon </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-229">HADOOP-229</a> </td> |
| <td align="left"> hadoop cp should generate a better number of map tasks </td> |
| <td align="left"> Minor </td> |
| <td align="left"> fs </td> |
| <td align="left"> Yoram Arnon </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-238">HADOOP-238</a> </td> |
| <td align="left"> map outputs transfers fail with EOFException </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> . </td> |
| <td align="left"> Owen O’Malley </td> |
| <td align="left"> Owen O’Malley </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-205">HADOOP-205</a> </td> |
| <td align="left"> the job tracker does not schedule enough map on the cluster </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Owen O’Malley </td> |
| <td align="left"> Mahadev konar </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-247">HADOOP-247</a> </td> |
| <td align="left"> The Reduce Task thread for reporting progress during the sort exits in case of any IOException </td> |
| <td align="left"> Critical </td> |
| <td align="left"> . </td> |
| <td align="left"> Mahadev konar </td> |
| <td align="left"> Mahadev konar </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-241">HADOOP-241</a> </td> |
| <td align="left"> TestCopyFiles fails under cygwin due to incorrect path </td> |
| <td align="left"> Minor </td> |
| <td align="left"> fs </td> |
| <td align="left"> Konstantin Shvachko </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-251">HADOOP-251</a> </td> |
| <td align="left"> progress report failures kill task </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Owen O’Malley </td> |
| <td align="left"> Owen O’Malley </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-235">HADOOP-235</a> </td> |
| <td align="left"> LocalFileSystem.openRaw() throws the wrong string for FileNotFoundException </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Benjamin Reed </td> |
| <td align="left"> </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-163">HADOOP-163</a> </td> |
| <td align="left"> If a DFS datanode cannot write onto its file system. it should tell the name node not to assign new blocks to it. </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Runping Qi </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-124">HADOOP-124</a> </td> |
| <td align="left"> don’t permit two datanodes to run from same dfs.data.dir </td> |
| <td align="left"> Critical </td> |
| <td align="left"> . </td> |
| <td align="left"> Bryan Pendleton </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-259">HADOOP-259</a> </td> |
| <td align="left"> map output http client does not timeout </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> Owen O’Malley </td> |
| <td align="left"> Owen O’Malley </td></tr> |
| <tr class="a"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-264">HADOOP-264</a> </td> |
| <td align="left"> WritableFactory has no permissions to create DatanodeRegistration </td> |
| <td align="left"> Blocker </td> |
| <td align="left"> . </td> |
| <td align="left"> Owen O’Malley </td> |
| <td align="left"> Owen O’Malley </td></tr> |
| <tr class="b"> |
| <td align="left"> <a class="externalLink" href="https://issues.apache.org/jira/browse/HADOOP-265">HADOOP-265</a> </td> |
| <td align="left"> Abort tasktracker if it can not write to its local directories </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-217">HADOOP-217</a> </td> |
| <td align="left"> IllegalAcessException when creating a Block object via WritableFactories </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-270">HADOOP-270</a> </td> |
| <td align="left"> possible deadlock when shut down a datanode thread </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-141">HADOOP-141</a> </td> |
| <td align="left"> Disk thrashing / task timeouts during map output copy phase </td> |
| <td align="left"> Major </td> |
| <td align="left"> . </td> |
| <td align="left"> p sutter </td> |
| <td align="left"> Owen O’Malley </td></tr> |
| </tbody> |
| </table></div> |
| <div class="section"> |
| <h3><a name="SUB-TASKS:"></a>SUB-TASKS:</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-220">HADOOP-220</a> </td> |
| <td align="left"> Add -dfs and -jt command-line parameters to specify namenode and jobtracker. </td> |
| <td align="left"> Major </td> |
| <td align="left"> fs </td> |
| <td align="left"> Milind Bhandarkar </td> |
| <td align="left"> Milind Bhandarkar </td></tr> |
| </tbody> |
| </table></div></div> |
| </div> |
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