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https://issues.apache.org/jira/browse/HDFS-4304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13585110#comment-13585110
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Hudson commented on HDFS-4304:
------------------------------
Integrated in Hadoop-Hdfs-trunk #1325 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/1325/])
HDFS-4304. Make FSEditLogOp.MAX_OP_SIZE configurable. Contributed by Colin
Patrick McCabe. (Revision 1449218)
Result = SUCCESS
atm : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1449218
Files :
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/contrib/bkjournal/src/main/java/org/apache/hadoop/contrib/bkjournal/BookKeeperEditLogInputStream.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/EditLogBackupInputStream.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/EditLogFileInputStream.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/EditLogInputStream.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogOp.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImage.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/RedundantEditLogInputStream.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestEditLog.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeRecovery.java
> Make FSEditLogOp.MAX_OP_SIZE configurable
> -----------------------------------------
>
> Key: HDFS-4304
> URL: https://issues.apache.org/jira/browse/HDFS-4304
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 3.0.0, 2.0.3-alpha
> Reporter: Todd Lipcon
> Assignee: Colin Patrick McCabe
> Fix For: 2.0.4-beta
>
> Attachments: HDFS-4304.001.patch, HDFS-4304.002.patch,
> HDFS-4304.003.patch, HDFS-4304.004.patch, HDFS-4304.005.patch
>
>
> Today we ran into an issue where a NN had logged a very large op, greater
> than the 1.5MB MAX_OP_SIZE constant. In order to successfully load the edits,
> we had to patch with a larger constant. This constant should be configurable
> so that we wouldn't have to recompile in these odd cases. Additionally, I
> think the default should be bumped a bit higher, since it's only a safeguard
> against OOME, and people tend to run NNs with multi-GB heaps.
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