Hi Or, For now I removed the test that was failing like this from our suite and made a note to revisit it in a couple of weeks. Unfortunately I still don't know what the issue is. I'll post here if I figure out it (please do the same!). My working hypothesis now is that we had some kind of OOM problem.
Best regards, Clint On Tue, Aug 12, 2014 at 12:23 AM, Or Sher <or.sh...@gmail.com> wrote: > Clint, did you find anything? > I just noticed it happens to us too on only one node in our CI cluster. > I don't think there is a special usage before it happens... The last line > in the log before the shutdown lines in at least an hour before.. > We're using C* 2.0.9. > > > On Thu, Aug 7, 2014 at 12:49 AM, Clint Kelly <clint.ke...@gmail.com> wrote: >> >> Hi Rob, >> >> Thanks for the clarification; this is really useful. I'll run some >> experiments to see if the problem is a JVM OOM on our build machine. >> >> Best regards, >> Clint >> >> On Wed, Aug 6, 2014 at 1:14 PM, Robert Coli <rc...@eventbrite.com> wrote: >> > On Wed, Aug 6, 2014 at 1:12 PM, Robert Coli <rc...@eventbrite.com> >> > wrote: >> >> >> >> On Wed, Aug 6, 2014 at 1:11 AM, Duncan Sands <duncan.sa...@gmail.com> >> >> wrote: >> >>> >> >>> this doesn't look like an OOM to me. If the kernel OOM kills >> >>> Cassandra >> >>> then Cassandra instantly vaporizes, and there will be nothing in the >> >>> Cassandra logs (you will find information about the OOM in the system >> >>> logs >> >>> though, eg in dmesg). In the log snippet above you see an orderly >> >>> shutdown, >> >>> this is completely different to the instant OOM kill. >> >> >> >> >> >> Not really. >> >> >> >> https://issues.apache.org/jira/browse/CASSANDRA-7507 >> > >> > >> > To be clear, there's two different OOMs here, I am talking about the JVM >> > OOM, not system level. As CASSANDRA-7507 indicates, JVM OOM does not >> > necessarily result in the cassandra process dying, and can in fact >> > trigger >> > clean shutdown. >> > >> > System level OOM will in fact send the equivalent of KILL, which will >> > not >> > trigger the clean shutdown hook in Cassandra. >> > >> > =Rob > > > > > -- > Or Sher