Re: ICV concurrency problem (?)

2010-06-12 Thread Ted Yu
For #3, take a look at http://en.wikipedia.org/wiki/Network_Time_Protocol On Sat, Jun 12, 2010 at 2:22 PM, Mark Laffoon mlaff...@semanticresearch.com wrote: I'm not having a lot of success figuring out the pattern. I am most definitely not seeing stack traces in any of the logs. I'm not

RE: ICV concurrency problem (?)

2010-06-12 Thread Andrew Purtell
From: Mark Laffoon Subject: RE: ICV concurrency problem (?) 1. I have multiple clients (map/reduce task executors) hitting an HBase cluster with multiple region servers. Assuming the client code doesn't explicitly set the timestamp, which box actually generates the timestamp for a put?