1.1.1 is "repair" still needed ?

2012-10-09 Thread Oleg Dulin
My understanding is that the repair has to happen within gc_grace period. But in 1.1.1 you can set gc_grace by CF. A couple of my CFs that are frequently updated have gc_grace of 1 hour, but we do run a weekly repair. So the question is, is this still needed ? Do we even need to run nodetool

Re: 1.1.1 is "repair" still needed ?

2012-10-09 Thread Aaron Turner
On Tue, Oct 9, 2012 at 8:56 PM, Oleg Dulin wrote: > My understanding is that the repair has to happen within gc_grace period. > > But in 1.1.1 you can set gc_grace by CF. A couple of my CFs that are > frequently updated have gc_grace of 1 hour, but we do run a weekly repair. > > So the question is

Re: 1.1.1 is "repair" still needed ?

2012-10-10 Thread Rob Coli
On Tue, Oct 9, 2012 at 12:56 PM, Oleg Dulin wrote: > My understanding is that the repair has to happen within gc_grace period. > [ snip ] > So the question is, is this still needed ? Do we even need to run nodetool > repair ? If Hinted Handoff works in your version of Cassandra, and that version

Re: 1.1.1 is "repair" still needed ?

2012-10-11 Thread Watanabe Maki
Even if HH works fine, HH will not be created until the failure detector marks the node is dead. HH will not be created for partially timeouted mutation request ( but meets CL ) also... In my understanding... On 2012/10/11, at 5:55, Rob Coli wrote: > On Tue, Oct 9, 2012 at 12:56 PM, Oleg Du

Re: 1.1.1 is "repair" still needed ?

2012-10-11 Thread B. Todd Burruss
as of 1.0 (CASSANDRA-2034) hints are generated for nodes that timeout. On Thu, Oct 11, 2012 at 3:55 AM, Watanabe Maki wrote: > Even if HH works fine, HH will not be created until the failure detector > marks the node is dead. > HH will not be created for partially timeouted mutation request ( b

Re: 1.1.1 is "repair" still needed ?

2012-10-11 Thread Watanabe Maki
Oh sorry. It's pretty nice to know that. On 2012/10/12, at 0:18, "B. Todd Burruss" wrote: > as of 1.0 (CASSANDRA-2034) hints are generated for nodes that timeout. > > On Thu, Oct 11, 2012 at 3:55 AM, Watanabe Maki > wrote: >> Even if HH works fine, HH will not be created until the failure de