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https://issues.apache.org/jira/browse/HDFS-2743?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13262527#comment-13262527
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Uma Maheswara Rao G commented on HDFS-2743:
-------------------------------------------
Ivan, Patch looks fine for me.
I have applied this patch and used the genrated BK jar in HA setsup.
As we know, the other problem still exists.
{code}
2012-04-18 10:39:09,423 ERROR org.apache.bookkeeper.client.PendingReadOp:
Error: No such entry while reading entry: 1 ledgerId: 5 from bookie:
/10.18.52.157:3181
2012-04-18 10:39:09,457 WARN
org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer: Edits tailer failed to
find any streams. Will try again later.
java.io.IOException: No ledger for fromTxnId -12344 found.
at
org.apache.hadoop.contrib.bkjournal.BookKeeperJournalManager.getInputStream(BookKeeperJournalManager.java:329)
at
org.apache.hadoop.hdfs.server.namenode.JournalSet.getInputStream(JournalSet.java:246)
at
org.apache.hadoop.hdfs.server.namenode.FSEditLog.selectInputStreams(FSEditLog.java:1100)
at
org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer.doTailEdits(EditLogTailer.java:206)
at
org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer.access$700(EditLogTailer.java:59)
at
org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.doWork(EditLogTailer.java:318)
at
org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.access$200(EditLogTailer.java:276)
at
org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread$1.run(EditLogTailer.java:293)
at
org.apache.hadoop.security.SecurityUtil.doAsLoginUserOrFatal(SecurityUtil.java:504)
at
org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.run(EditLogTailer.java:289)
{code}
I think you already handled them as part of other issues, like HDFS-2717,
HDFS-3058.
I am ok with this patch. I will commit the patch tomorrow, if there are no
objections.
> Streamline usage of bookkeeper journal manager
> ----------------------------------------------
>
> Key: HDFS-2743
> URL: https://issues.apache.org/jira/browse/HDFS-2743
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Ivan Kelly
> Assignee: Ivan Kelly
> Fix For: 0.24.0
>
> Attachments: HDFS-2743.diff, HDFS-2743.diff
>
>
> The current method of installing bkjournal manager involves generating a
> tarball, and extracting it with special flags over the hdfs distribution.
> This is cumbersome and prone to being broken by other changes (see
> https://svn.apache.org/repos/asf/hadoop/common/trunk@1220940). I think a
> cleaner way to doing this is to generate a single jar that can be placed in
> the lib dir of hdfs.
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