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https://issues.apache.org/jira/browse/HBASE-15441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15198840#comment-15198840
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Hudson commented on HBASE-15441:
--------------------------------
FAILURE: Integrated in HBase-1.2 #580 (See
[https://builds.apache.org/job/HBase-1.2/580/])
HBASE-15441 Fix WAL splitting when region has moved multiple times (eclark: rev
d501920378255c211845be865fbdd4cceba9f60a)
* hbase-client/src/main/java/org/apache/hadoop/hbase/protobuf/ProtobufUtil.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/RegionReplicaReplicationEndpoint.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WALSplitter.java
*
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/WALEdit.java
* hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
> Fix WAL splitting when region has moved multiple times
> ------------------------------------------------------
>
> Key: HBASE-15441
> URL: https://issues.apache.org/jira/browse/HBASE-15441
> Project: HBase
> Issue Type: Bug
> Affects Versions: 1.1.0, 1.2.0
> Reporter: Elliott Clark
> Assignee: Elliott Clark
> Priority: Blocker
> Fix For: 2.0.0, 1.3.0, 1.2.1, 1.4.0
>
> Attachments: HBASE-15441-v1.patch, HBASE-15441-v2.patch,
> HBASE-15441-v3.patch, HBASE-15441-v4.patch, HBASE-15441-v5.patch,
> HBASE-15441.patch
>
>
> Currently WAL splitting is broken when a region has been opened multiple
> times in recent minutes.
> Region open and region close write event markers to the wal. These markers
> should have the sequence id in them. However it is currently getting 1. That
> means that if a region has moved multiple times in the last few mins then
> multiple split log workers will try and create the recovered edits file for
> sequence id 1. One of the workers will fail and on failing they will delete
> the recovered edits. Causing all split wal attempts to fail.
> We need to:
> # make sure that close get the correct sequence id for open.
> # Filter all region events from recovered edits
> It appears that the close event with a sequence id of one is coming from
> region warm up.
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