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https://issues.apache.org/jira/browse/HBASE-5639?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13239966#comment-13239966
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Hudson commented on HBASE-5639:
-------------------------------
Integrated in HBase-0.94-security #5 (See
[https://builds.apache.org/job/HBase-0.94-security/5/])
HBASE-5639 The logic used in waiting for region servers during startup is
broken (J-D and NKeyval) (Revision 1306011)
Result = SUCCESS
larsh :
Files :
* /hbase/branches/0.94/CHANGES.txt
*
/hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/master/ServerManager.java
> The logic used in waiting for region servers during startup is broken
> ---------------------------------------------------------------------
>
> Key: HBASE-5639
> URL: https://issues.apache.org/jira/browse/HBASE-5639
> Project: HBase
> Issue Type: Bug
> Reporter: Jean-Daniel Cryans
> Assignee: Jean-Daniel Cryans
> Priority: Blocker
> Fix For: 0.94.0
>
> Attachments: HBASE-5639.patch
>
>
> See the tail of HBASE-4993, which I'll report here:
> Me:
> {quote}
> I think a bug was introduced here. Here's the new waiting logic in
> waitForRegionServers:
> the 'hbase.master.wait.on.regionservers.mintostart' is reached AND
> there have been no new region server in for
> 'hbase.master.wait.on.regionservers.interval' time
> And the code that verifies that:
> !(lastCountChange+interval > now && count >= minToStart)
> {quote}
> Nic:
> {quote}
> It seems that changing the code to
> (count < minToStart ||
> lastCountChange+interval > now)
> would make the code works as documented.
> If you have 0 region servers that checked in and you are under the interval,
> you wait: (true or true) = true.
> If you have 0 region servers but you are above the interval, you wait: (true
> or false) = true.
> If you have 1 or more region servers that checked in and you are under the
> interval, you wait: (false or true) = true.
> {quote}
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