[jira] Assigned: (HBASE-3142) If a master dies and comes back up before his znode expires, the RS heartbeat can lock up

["stack (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-3142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack reassigned HBASE-3142:
----------------------------

    Assignee: ryan rawson

At Ryan's request...

> If a master dies and comes back up before his znode expires, the RS heartbeat can lock up
> -----------------------------------------------------------------------------------------
>
>                 Key: HBASE-3142
>                 URL: https://issues.apache.org/jira/browse/HBASE-3142
>             Project: HBase
>          Issue Type: Bug
>          Components: master, regionserver
>    Affects Versions: 0.89.20100924, 0.90.0
>            Reporter: Jonathan Gray
>            Assignee: ryan rawson
>            Priority: Critical
>             Fix For: 0.90.0
>
>
> During a rolling restart, we ran into a case where a master was shutdown and then brought back up before the znode expired.
> On the RS side, while the master was down, it was getting ConnectionRefused exceptions trying to heartbeat to what it thinks is the active master.
> Once the master process comes back up, the next heartbeat done by all the RSs just blocks indefinitely.
> This is somewhat related to HBASE-3141

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