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https://issues.apache.org/jira/browse/HBASE-3638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13183929#comment-13183929
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Shrijeet Paliwal commented on HBASE-3638:
-----------------------------------------
I must add to avoid ambiguity, the log I pasted is of a time when master is
initializing.
> If a FS bootstrap, need to also ensure ZK is cleaned
> ----------------------------------------------------
>
> Key: HBASE-3638
> URL: https://issues.apache.org/jira/browse/HBASE-3638
> Project: HBase
> Issue Type: Bug
> Reporter: stack
> Priority: Minor
>
> In a test environment where a cycle of start, operation, kill hbase (repeat),
> noticed that we were doing a bootstrap on startup but then we were picking up
> the previous cycles zk state. It made for a mess in the test.
> Last thing seen on previous cycle was:
> {code}
> 2011-03-11 06:33:36,708 DEBUG
> org.apache.hadoop.hbase.master.AssignmentManager: Handling
> transition=RS_ZK_REGION_OPENING, server=X.X.X.60020,1299853933073,
> region=1028785192/.META.
> {code}
> Then, in the messed up cycle I saw:
> {code}
> 2011-03-11 06:42:48,530 INFO org.apache.hadoop.hbase.master.MasterFileSystem:
> BOOTSTRAP: creating ROOT and first META regions
> .....
> {code}
> Then after setting watcher on .META., we get a
> {code}
> 2011-03-11 06:42:58,301 INFO
> org.apache.hadoop.hbase.master.AssignmentManager: Processing region
> .META.,,1.1028785192 in state RS_ZK_REGION_OPENED
> 2011-03-11 06:42:58,302 WARN
> org.apache.hadoop.hbase.master.AssignmentManager: Region in transition
> 1028785192 references a server no longer up X.X.X; letting RIT timeout so
> will be assigned elsewhere
> {code}
> We're all confused.
> Should at least clear our zk if a bootstrap happened.
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