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Posted to issues@hbase.apache.org by "Devaraj Das (JIRA)" <ji...@apache.org> on 2012/10/04 00:57:08 UTC
[jira] [Updated] (HBASE-6733) [0.92 UNIT TESTS]
TestReplication.queueFailover occasionally fails [Part-2]
[ https://issues.apache.org/jira/browse/HBASE-6733?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Devaraj Das updated HBASE-6733:
-------------------------------
Attachment: 6733-3.patch
This should address your comments, [~jdcryans]
> [0.92 UNIT TESTS] TestReplication.queueFailover occasionally fails [Part-2]
> ---------------------------------------------------------------------------
>
> Key: HBASE-6733
> URL: https://issues.apache.org/jira/browse/HBASE-6733
> Project: HBase
> Issue Type: Bug
> Reporter: Devaraj Das
> Assignee: Devaraj Das
> Fix For: 0.92.3
>
> Attachments: 6733-1.patch, 6733-2.patch, 6733-3.patch
>
>
> The failure is in TestReplication.queueFailover (fails due to unreplicated rows). I have come across two problems:
> 1. The sleepMultiplier is not properly reset when the currentPath is changed (in ReplicationSource.java).
> 2. ReplicationExecutor sometime removes files to replicate from the queue too early, resulting in corresponding edits missing. Here the problem is due to the fact the log-file length that the replication executor finds is not the most updated one, and hence it doesn't read anything from there, and ultimately, when there is a log roll, the replication-queue gets a new entry, and the executor drops the old entry out of the queue.
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