Re: Server Crash Recovery (WAS -- Re: ANN: The third hbase 0.94.0 release candidate is available for download)

2012-05-16 Thread Mikael Sitruk
Hey St.Ack Thanks for clarifications, For 4. replay of log: (Please correct if i'm wrong) So the RS will: a. split the log via HLogSplitter, write concurrently log content to other log files under each region, b. replay those smaller logs into its own memstore and own logs (is it done when the

Re: Server Crash Recovery (WAS -- Re: ANN: The third hbase 0.94.0 release candidate is available for download)

2012-05-16 Thread Stack
On Wed, May 16, 2012 at 12:25 AM, Mikael Sitruk mikael.sit...@gmail.com wrote: Hey St.Ack Thanks for clarifications, For 4. replay of log: (Please correct if i'm wrong) So the RS will: a. split the log via HLogSplitter, write concurrently log content to other log files under each region,

Server Crash Recovery (WAS -- Re: ANN: The third hbase 0.94.0 release candidate is available for download)

2012-05-15 Thread Stack
(Moved this conversation off the vote thread) On Sat, May 12, 2012 at 3:14 PM, Mikael Sitruk mikael.sit...@gmail.com wrote: So in case a RS goes down, the master will split the log and reassign the regions to other RS, then each RS will replay the log, during this step the regions are