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List: hadoop-commits
Subject: svn commit: r808948 -
From: omalley () apache ! org
Date: 2009-08-28 16:38:19
Message-ID: 20090828163819.AA1F12388865 () eris ! apache ! org
[Download RAW message or body]
Author: omalley
Date: Fri Aug 28 16:38:18 2009
New Revision: 808948
URL: http://svn.apache.org/viewvc?rev=808948&view=rev
Log:
Preparing for release 0.20.1
Modified:
hadoop/common/branches/branch-0.20/src/docs/releasenotes.html
Modified: hadoop/common/branches/branch-0.20/src/docs/releasenotes.html
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.20/src/docs/releasenotes.html?rev=808948&r1=808947&r2=808948&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.20/src/docs/releasenotes.html (original)
+++ hadoop/common/branches/branch-0.20/src/docs/releasenotes.html Fri Aug 28 16:38:18 \
2009 @@ -12,17 +12,21 @@
<body>
<h1>Hadoop 0.20.1 Release Notes</h1>
These release notes include new developer and user-facing incompatibilities, \
features, and major improvements. The table below is sorted by \
Component.
-<h1>Common</h1>
-<h2> Sub-task
-</h2>
+ <a name="changes"></a>
+<h2>Changes Since Hadoop 0.20.0</h2>
+
+<h3>Common</h3>
+
+<h4> Sub-task
+</h4>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/HADOOP-6213'>HADOOP-6213</a>] - \
Remove commons dependency on commons-cli2 </li>
</ul>
-<h2> Bug
-</h2>
+<h4> Bug
+</h4>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/HADOOP-4626'>HADOOP-4626</a>] - \
API link in forrest doc should point to the same version of hadoop. </li>
@@ -90,15 +94,15 @@
</li>
</ul>
-<h2> Improvement
-</h2>
+<h4> Improvement
+</h4>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/HADOOP-5726'>HADOOP-5726</a>] - \
Remove pre-emption from the capacity scheduler code base </li>
</ul>
-<h2> New Feature
-</h2>
+<h4> New Feature
+</h4>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/HADOOP-3315'>HADOOP-3315</a>] - \
New binary file format </li>
@@ -108,10 +112,10 @@
</li>
</ul>
-<h1>HDFS</h1>
+<h3>HDFS</h3>
-<h2> Bug
-</h2>
+<h4> Bug
+</h4>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/HDFS-26'>HDFS-26</a>] - \
HADOOP-5862 for version .20 (Namespace quota exceeded message unclear) </li>
@@ -129,8 +133,8 @@
</li>
</ul>
-<h2> Improvement
-</h2>
+<h4> Improvement
+</h4>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/HDFS-504'>HDFS-504</a>] - \
HDFS updates the modification time of a file when the file is closed. </li>
@@ -138,10 +142,10 @@
</li>
</ul>
-<h1>Map/Reduce</h1>
+<h3>Map/Reduce</h3>
-<h2> Bug
-</h2>
+<h4> Bug
+</h4>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/MAPREDUCE-2'>MAPREDUCE-2</a>] - \
ArrayOutOfIndex error in KeyFieldBasedPartitioner on empty key </li>
@@ -193,8 +197,8 @@
</li>
</ul>
-<h2> Improvement
-</h2>
+<h4> Improvement
+</h4>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/MAPREDUCE-465'>MAPREDUCE-465</a>] \
- Deprecate org.apache.hadoop.mapred.lib.MultithreadedMapRunner </li>
@@ -204,5 +208,137 @@
</li>
</ul>
+<h2>Changes Since Hadoop 0.19.1</h2>
+<table border="1">
+<tr bgcolor="#DDDDDD">
+<th align="left">Issue</th><th align="left">Component</th><th \
align="left">Notes</th> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-3344">HADOOP-3344</a></td><td>build</td><td>Changed \
build procedure for libhdfs to build correctly for different platforms. Build \
instructions are in the Jira item.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4253">HADOOP-4253</a></td><td>conf</td><td>Removed \
from class org.apache.hadoop.fs.RawLocalFileSystem deprecated methods public String \
getName(), public void lock(Path p, boolean shared) and public void release(Path \
p).</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4454">HADOOP-4454</a></td><td>conf</td><td>Changed \
processing of conf/slaves file to allow # to begin a comment.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4631">HADOOP-4631</a></td><td>conf</td><td>Split \
hadoop-default.xml into core-default.xml, hdfs-default.xml and \
mapreduce-default.xml.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4035">HADOOP-4035</a></td><td>contrib/capacity-sched</td><td>Changed \
capacity scheduler policy to take note of task memory requirements and task tracker \
memory availability.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4445">HADOOP-4445</a></td><td>contrib/capacity-sched</td><td>Changed \
JobTracker UI to better present the number of active tasks.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4576">HADOOP-4576</a></td><td>contrib/capacity-sched</td><td>Changed \
capacity scheduler UI to better present number of running and pending tasks.</td> \
+</tr> +<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4179">HADOOP-4179</a></td><td>contrib/chukwa</td><td>Introduced \
Vaidya rule based performance diagnostic tool for Map/Reduce jobs.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4827">HADOOP-4827</a></td><td>contrib/chukwa</td><td>Improved \
framework for data aggregation in Chuckwa.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4843">HADOOP-4843</a></td><td>contrib/chukwa</td><td>Introduced \
Chuckwa collection of job history.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-5030">HADOOP-5030</a></td><td>contrib/chukwa</td><td>Changed \
RPM install location to the value specified by build.properties file.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-5531">HADOOP-5531</a></td><td>contrib/chukwa</td><td>Disabled \
Chukwa unit tests for 0.20 branch only.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4789">HADOOP-4789</a></td><td>contrib/fair-share</td><td>Changed \
fair scheduler to divide resources equally between pools, not jobs.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4873">HADOOP-4873</a></td><td>contrib/fair-share</td><td>Changed \
fair scheduler UI to display minMaps and minReduces variables.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-3750">HADOOP-3750</a></td><td>dfs</td><td>Removed \
deprecated method parseArgs from org.apache.hadoop.fs.FileSystem.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4029">HADOOP-4029</a></td><td>dfs</td><td>Added \
name node storage information to the dfshealth page, and moved data node information \
to a separated page.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4103">HADOOP-4103</a></td><td>dfs</td><td>Modified \
dfsadmin -report to report under replicated blocks. blocks with corrupt replicas, and \
missing blocks".</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4567">HADOOP-4567</a></td><td>dfs</td><td>Changed \
GetFileBlockLocations to return topology information for nodes that host the block \
replicas.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4572">HADOOP-4572</a></td><td>dfs</td><td>Moved \
org.apache.hadoop.hdfs.{CreateEditsLog, NNThroughputBenchmark} to \
org.apache.hadoop.hdfs.server.namenode.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4618">HADOOP-4618</a></td><td>dfs</td><td>Moved \
HTTP server from FSNameSystem to NameNode. Removed \
FSNamesystem.getNameNodeInfoPort(). Replaced FSNamesystem.getDFSNameNodeMachine() and \
FSNamesystem.getDFSNameNodePort() with new method \
FSNamesystem.getDFSNameNodeAddress(). Removed constructor NameNode(bindAddress, \
conf).</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4826">HADOOP-4826</a></td><td>dfs</td><td>Introduced \
new dfsadmin command saveNamespace to command the name service to do an immediate \
save of the file system image.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4970">HADOOP-4970</a></td><td>dfs</td><td>Changed \
trash facility to use absolute path of the deleted file.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-5468">HADOOP-5468</a></td><td>documentation</td><td>Reformatted \
HTML documentation for Hadoop to use submenus at the left column.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-3497">HADOOP-3497</a></td><td>fs</td><td>Changed \
the semantics of file globbing with a PathFilter (using the globStatus method of \
FileSystem). Previously, the filtering was too restrictive, so that a glob of /*/* \
and a filter that only accepts /a/b would not have matched /a/b. With this change \
/a/b does match. </td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4234">HADOOP-4234</a></td><td>fs</td><td>Changed \
KFS glue layer to allow applications to interface with multiple KFS metaservers.</td> \
+</tr> +<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4422">HADOOP-4422</a></td><td>fs/s3</td><td>Modified \
Hadoop file system to no longer create S3 buckets. Applications can create buckets \
for their S3 file systems by other means, for example, using the JetS3t API.</td> \
+</tr> +<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-3063">HADOOP-3063</a></td><td>io</td><td>Introduced \
BloomMapFile subclass of MapFile that creates a Bloom filter from all keys.</td> \
+</tr> +<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-1230">HADOOP-1230</a></td><td>mapred</td><td>Replaced \
parameters with context obejcts in Mapper, Reducer, Partitioner, InputFormat, and \
OutputFormat classes.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-1650">HADOOP-1650</a></td><td>mapred</td><td>Upgraded \
all core servers to use Jetty 6</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-3923">HADOOP-3923</a></td><td>mapred</td><td>Moved \
class org.apache.hadoop.mapred.StatusHttpServer to \
org.apache.hadoop.http.HttpServer.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-3986">HADOOP-3986</a></td><td>mapred</td><td>Removed \
classes org.apache.hadoop.mapred.JobShell and org.apache.hadoop.mapred.TestJobShell. \
Removed from JobClient methods static void setCommandLineConfig(Configuration conf) \
and public static Configuration getCommandLineConfig().</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4188">HADOOP-4188</a></td><td>mapred</td><td>Removed \
Task's dependency on concrete file systems by taking list from FileSystem class. \
Added statistics table to FileSystem class. Deprecated FileSystem method \
getStatistics(Class<? extends FileSystem> cls).</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4210">HADOOP-4210</a></td><td>mapred</td><td>Changed \
public class org.apache.hadoop.mapreduce.ID to be an abstract class. Removed from \
class org.apache.hadoop.mapreduce.ID the methods public static ID read(DataInput in) \
and public static ID forName(String str).</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4305">HADOOP-4305</a></td><td>mapred</td><td>Improved \
TaskTracker blacklisting strategy to better exclude faulty tracker from executing \
tasks.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4435">HADOOP-4435</a></td><td>mapred</td><td>Changed \
JobTracker web status page to display the amount of heap memory in use. This changes \
the JobSubmissionProtocol.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4565">HADOOP-4565</a></td><td>mapred</td><td>Improved \
MultiFileInputFormat so that multiple blocks from the same node or same rack can be \
combined into a single split.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4749">HADOOP-4749</a></td><td>mapred</td><td>Added \
a new counter REDUCE_INPUT_BYTES.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4783">HADOOP-4783</a></td><td>mapred</td><td>Changed \
history directory permissions to 750 and history file permissions to 740.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-3422">HADOOP-3422</a></td><td>metrics</td><td>Changed \
names of ganglia metrics to avoid conflicts and to better identify source \
function.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4284">HADOOP-4284</a></td><td>security</td><td>Introduced \
HttpServer method to support global filters.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4575">HADOOP-4575</a></td><td>security</td><td>Introduced \
independent HSFTP proxy server for authenticated access to clusters.</td> +</tr>
+<tr>
+<td><a href="https://issues.apache.org:443/jira/browse/HADOOP-4661">HADOOP-4661</a></td><td>tools/distcp</td><td>Introduced \
distch tool for parallel ch{mod, own, grp}.</td> +</tr>
+</table>
</body>
</html>
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