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https://issues.apache.org/jira/browse/HBASE-5916?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ramkrishna.s.vasudevan updated HBASE-5916:
------------------------------------------
Attachment: HBASE-5916_trunk_3.patch
The patch still applies correctly in Windows thro SVN client. But finally its
because there is an empty line in the line number 33.
Tried out in the apache linux machine.
{code}
Patching file
src/test/java/org/apache/hadoop/hbase/master/TestMasterFailover.java using Plan
A...
Hunk #1 succeeded at 23.
Hunk #2 succeeded at 37.
Hunk #3 succeeded at 52.
Hunk #4 succeeded at 137.
Hmm... The next patch looks like a unified diff to me...
The text leading up to this was:
{code}
This time it should run.
> RS restart just before master intialization we make the cluster non operative
> -----------------------------------------------------------------------------
>
> Key: HBASE-5916
> URL: https://issues.apache.org/jira/browse/HBASE-5916
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.92.1, 0.94.0
> Reporter: ramkrishna.s.vasudevan
> Assignee: ramkrishna.s.vasudevan
> Priority: Critical
> Fix For: 0.94.1
>
> Attachments: HBASE-5916_trunk.patch, HBASE-5916_trunk_1.patch,
> HBASE-5916_trunk_1.patch, HBASE-5916_trunk_2.patch, HBASE-5916_trunk_3.patch
>
>
> Consider a case where my master is getting restarted. RS that was alive when
> the master restart started, gets restarted before the master initializes the
> ServerShutDownHandler.
> {code}
> serverShutdownHandlerEnabled = true;
> {code}
> In this case when the RS tries to register with the master, the master will
> try to expire the server but the server cannot be expired as still the
> serverShutdownHandler is not enabled.
> This case may happen when i have only one RS gets restarted or all the RS
> gets restarted at the same time.(before assignRootandMeta).
> {code}
> LOG.info(message);
> if (existingServer.getStartcode() < serverName.getStartcode()) {
> LOG.info("Triggering server recovery; existingServer " +
> existingServer + " looks stale, new server:" + serverName);
> expireServer(existingServer);
> }
> {code}
> If another RS is brought up then the cluster comes back to normalcy.
> May be a very corner case.
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