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 wrote: > Funny you mention that... i just was hearing on #cassandra this > morning that it repairs the replica set by default. I was thinking of > r

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 wrote: > This blog post should help: > > http://www.datastax.com/dev/blog/how-cassandra-deals-with-replica-failure > > But to answer your question: > > >> Un

Re: Understanding UnavailableException

2012-08-17 Thread Mohit Agarwal
all of them. > > Ciao, > Maciej > > > > On Fri, Aug 17, 2012 at 11:07 AM, Mohit Agarwal wrote: > >> Hi guys, >> >> I am trying to understand what happens when an UnavailableException is >> thrown. >> >> a) Suppose we are doing a

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 to

"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 NameActi