hbase-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Clint Morgan" <clint....@gmail.com>
Subject Re: current status of regionserver's logs
Date Mon, 09 Jun 2008 20:09:57 GMT
Nevermind, found it in HStore

On Mon, Jun 9, 2008 at 1:05 PM, Clint Morgan <clint.a.m@gmail.com> wrote:
> 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
>>>
>>> No virus found in this incoming message.
>>> Checked by AVG.
>>> Version: 8.0.100 / Virus Database: 270.1.0/1492 - Release
>>> 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
>>
>

Mime
View raw message