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https://issues.apache.org/jira/browse/HBASE-3449?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack resolved HBASE-3449.
--------------------------
Resolution: Fixed
I committed the below workaround to branch and trunk and opened HBASE-3458 to
fix it so issue cannot ever happen.
{code}
Index: src/main/java/org/apache/hadoop/hbase/master/HMaster.java
===================================================================
--- src/main/java/org/apache/hadoop/hbase/master/HMaster.java (revision
1061564)
+++ src/main/java/org/apache/hadoop/hbase/master/HMaster.java (working copy)
@@ -518,7 +518,7 @@
this.executorService.startExecutorService(ExecutorType.MASTER_SERVER_OPERATIONS,
conf.getInt("hbase.master.executor.serverops.threads", 3));
this.executorService.startExecutorService(ExecutorType.MASTER_META_SERVER_OPERATIONS,
- conf.getInt("hbase.master.executor.serverops.threads", 2));
+ conf.getInt("hbase.master.executor.serverops.threads", 5));
// We depend on there being only one instance of this executor running
// at a time. To do concurrency, would need fencing of enable/disable of
// tables.
{code}
> Server shutdown handlers deadlocked waiting for META
> ----------------------------------------------------
>
> Key: HBASE-3449
> URL: https://issues.apache.org/jira/browse/HBASE-3449
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.90.0
> Reporter: Todd Lipcon
> Assignee: stack
> Priority: Blocker
> Fix For: 0.90.1
>
>
> I have a situation where both of my MASTER_META_SERVER_OPERATIONS handlers
> are handling server shutdowns, and both of them are waiting on ROOT, which
> isn't coming up. Unclear exactly how this happened, but I triggered it by
> doing a rolling restart.
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