Re: When node is down

2012-06-22 Thread Dave Barr
Don't bother excluding the host first if the host is already considered dead in the namenode. Which version of Hadoop? In Hadoop versions nearer to 1.0.0 you will see Number of Under-Replicated Blocks in the namenode web UI as it's re-replicating data when a node is down (it will go away when

LISA '11?

2011-12-06 Thread Dave Barr
Anyone here at to the LISA '11 conference want to meet up? I'll be here and can answer any http://opentsdb.net/tcollector.html questions or try to answer any opentsdb questions, and give a quick demo. Just reply to me privately and we'll compare schedules. --Dave

Re: async HBase

2011-10-29 Thread Dave Barr
If you want an example of asynchbase (https://github.com/stumbleupon/asynchbase), check out http://opentsdb.net/ --Dave On Thu, Oct 27, 2011 at 4:24 PM, Jignesh Patel jigneshmpa...@gmail.com wrote: How efficient it is to use asynch HBase for the performance improvement so that it can be used

Re: About puppet and fabric (WAS: operational overhead for HBase)

2011-08-17 Thread Dave Barr
On Wed, Aug 17, 2011 at 4:45 PM, Jean-Daniel Cryans jdcry...@apache.org wrote: I'm currently evaluating the use of Puppet for Hadoop/HBase automated deploys and Fabric looks a lot simpler and more descriptive.  I'm curious how well Fabric would work in its own right without Puppet for automate