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https://issues.apache.org/jira/browse/HDFS-7284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14975498#comment-14975498
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Hudson commented on HDFS-7284:
------------------------------
FAILURE: Integrated in Hadoop-Hdfs-trunk-Java8 #540 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/540/])
HDFS-7284. Add more debug info to (yzhang: rev
5e718de522328d1112ad38063596c204aa43f539)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/Block.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockInfo.java
> Add more debug info to
> BlockInfoUnderConstruction#setGenerationStampAndVerifyReplicas
> -------------------------------------------------------------------------------------
>
> Key: HDFS-7284
> URL: https://issues.apache.org/jira/browse/HDFS-7284
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 2.5.1
> Reporter: Hu Liu,
> Assignee: Wei-Chiu Chuang
> Labels: supportability
> Fix For: 2.8.0
>
> Attachments: HDFS-7284.001.patch, HDFS-7284.002.patch,
> HDFS-7284.003.patch, HDFS-7284.004.patch, HDFS-7284.005.patch
>
>
> When I was looking at some replica loss issue, I got the following info from
> log
> {code}
> 2014-10-13 01:54:53,104 INFO BlockStateChange: BLOCK* Removing stale replica
> from location x.x.x.x
> {code}
> I could just know that a replica is removed, but I don't know which block and
> its timestamp. I need to know the id and timestamp of the block from the log
> file.
> So it's better to add more info including block id and timestamp to the code
> snippet
> {code}
> for (ReplicaUnderConstruction r : replicas) {
> if (genStamp != r.getGenerationStamp()) {
> r.getExpectedLocation().removeBlock(this);
> NameNode.blockStateChangeLog.info("BLOCK* Removing stale replica "
> + "from location: " + r.getExpectedLocation());
> }
> }
> {code}
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