If I recall correctly it was Henry Robinson that gave me the advice to have a "task in progress" check.
-- Eric On Sat, Dec 8, 2012 at 11:54 PM, Eric Pederson <[email protected]> wrote: > I am using Curator LeaderLatch :) > > > -- Eric > > > > > On Sat, Dec 8, 2012 at 11:52 PM, Jordan Zimmerman < > [email protected]> wrote: > >> You might check your leader implementation. Writing a correct leader >> recipe is actually quite challenging due to edge cases. Have a look at >> Curator (disclosure: I wrote it) for an example. >> >> -JZ >> >> On Dec 8, 2012, at 8:49 PM, Eric Pederson <[email protected]> wrote: >> >> > Actually I had the same thought and didn't consider having to do this >> until >> > I talked about my project at a Zookeeper User Group a month or so ago >> and I >> > was given this advice. >> > >> > I know that I do see leadership being lost/transferred when one of the >> ZK >> > servers is restarted (not the whole ensemble). And it seems like I've >> > seen it happen even when the ensemble stays totally stable (though I am >> not >> > 100% sure as it's been a while since I have worked on this particular >> > application). >> > >> > >> > >> > -- Eric >> > >> > >> > >> > On Sat, Dec 8, 2012 at 11:25 PM, Jordan Zimmerman < >> > [email protected]> wrote: >> > >> >> Why would it lose leadership? The only reason I can think of is if the >> ZK >> >> cluster goes down. In normal use, the ZK cluster won't go down (I >> assume >> >> you're running 3 or 5 instances). >> >> >> >> -JZ >> >> >> >> On Dec 8, 2012, at 8:17 PM, Eric Pederson <[email protected]> wrote: >> >> >> >>> During the time the task is running a cluster member could lose its >> >>> leadership. >> >> >> >> >> >> >
