Re: Automating nodetool repair

2012-08-28 Thread Mohit Agarwal
Is there any reason why cassandra doesn't do nodetool repair out of the box at some fixed intervals? On Tue, Aug 28, 2012 at 9:08 PM, Aaron Turner synfina...@gmail.com wrote: Funny you mention that... i just was hearing on #cassandra this morning that it repairs the replica set by default. I

Understanding UnavailableException

2012-08-17 Thread Mohit Agarwal
Hi guys, I am trying to understand what happens when an UnavailableException is thrown. a) Suppose we are doing a ConsistencyLevel.ALL write on a 3 node cluster. My understanding is that if one of the nodes is down and the coordinator node is aware of that(through gossip), then it will respond

Re: Understanding UnavailableException

2012-08-17 Thread Mohit Agarwal
, 2012 at 11:07 AM, Mohit Agarwal coolmoh...@gmail.comwrote: Hi guys, I am trying to understand what happens when an UnavailableException is thrown. a) Suppose we are doing a ConsistencyLevel.ALL write on a 3 node cluster. My understanding is that if one of the nodes is down

Re: Understanding UnavailableException

2012-08-17 Thread Mohit Agarwal
Thanks Nick for your answers. The blog post is very well written and was much needed i guess. On Fri, Aug 17, 2012 at 8:30 PM, Nick Bailey n...@datastax.com wrote: This blog post should help: http://www.datastax.com/dev/blog/how-cassandra-deals-with-replica-failure But to answer your

All time blocked FlushWriter

2012-07-30 Thread Mohit Agarwal
Hi guys, Can anyone explain what all time blocked and blocked columns mean in tpstats? I have a 2 node 1.1.2 cluster, on which one of the nodes has the following output for FlushWriter. The other node is on 15 'All time blocked'. Do i need to 'unblock' this? Pool NameActive