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From "Clint Morgan" <clint....@gmail.com>
Subject Re: current status of regionserver's logs
Date Mon, 09 Jun 2008 20:05:18 GMT
Cool, so ProcessServerShutdown splits up a reionservers logs amongst
its regions.

Where does the region replay the log when it comes back up (to move
non-flushed edits into Memcache/hstore)?


On Mon, Jun 9, 2008 at 12:48 PM, Jim Kellerman <jim@powerset.com> wrote:
> Logs are recovered by the Master when it detects that a region server has died.
> If you are looking at trunk, see: o.a.h.h.master.BaseScanner.checkAssigned and o.a.h.master.ProcessServerShutdown
>
> ---
> Jim Kellerman, Senior Engineer; Powerset
>
>
>> -----Original Message-----
>> From: clint.a.m@gmail.com [mailto:clint.a.m@gmail.com] On
>> Behalf Of Clint Morgan
>> Sent: Monday, June 09, 2008 12:42 PM
>> To: hbase-dev@hadoop.apache.org
>> Subject: current status of regionserver's logs
>>
>> I'm trying to figure out how write ahead logging is working,
>> but don't see where/how the log is read (eg on regionserver
>> recovery). Can someone let me know what the status is? Is it
>> intended to wait on hdfs append before working on recovery process?
>>
>> cheers,
>> -clint
>>
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>> Date: 6/9/2008 10:29 AM
>>
> No virus found in this outgoing message.
> Checked by AVG.
> Version: 8.0.100 / Virus Database: 270.1.0/1492 - Release Date: 6/9/2008 10:29 AM
>

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