Re: node down window

2010-07-14 Thread Jonathan Ellis
Coordination in a distributed system is difficult. I don't think we can fix HH's existing edge cases, without introducing other more complicated edge cases. So weekly-or-so repair will remain a common maintenance task for the forseeable future. On Wed, Jul 14, 2010 at 4:17 PM, B. Todd Burruss w

Re: node down window

2010-07-14 Thread B. Todd Burruss
thx, but disappointing :) is this just something we have to live with and periodically "repair" the nodes? or is there future work to tighten up the window? thx On Wed, 2010-07-14 at 12:13 -0700, Jonathan Ellis wrote: > On Wed, Jul 14, 2010 at 1:43 PM, B. Todd Burruss wrote: > > there is a wi

Re: node down window

2010-07-14 Thread Jonathan Ellis
On Wed, Jul 14, 2010 at 1:43 PM, B. Todd Burruss wrote: > there is a window of time from when a node goes down and when the rest > of the cluster actually realizes that it is down. > > what happens to writes during this time frame?  does hinted handoff > record these writes and then "handoff" when

node down window

2010-07-14 Thread B. Todd Burruss
there is a window of time from when a node goes down and when the rest of the cluster actually realizes that it is down. what happens to writes during this time frame? does hinted handoff record these writes and then "handoff" when the down node returns? or does hinted handoff not kick in until