Re: Seed Node OOM

2015-06-16 Thread Alain RODRIGUEZ
Hi, Is your OOM on heap or on native memory ? Since 2.1 put a lot of things on native memory I would say that it is almost always bad to have 6 GB out of 8 for the heap (unless you have a very small data set), since in the 2 GB remaining you have to keep bloom filters, indexes and more + Page cach

Re: Seed Node OOM

2015-06-15 Thread Robert Coli
On Sat, Jun 13, 2015 at 4:39 AM, Oleksandr Petrov < oleksandr.pet...@gmail.com> wrote: > We're using Cassandra, recently migrated to 2.1.6, and we're experiencing > constant OOMs in one of our clusters. > Maybe this memory leak? https://issues.apache.org/jira/browse/CASSANDRA-9549 =Rob

Re: Seed Node OOM

2015-06-13 Thread Sebastian Estevez
The commitlog size is likely a red herring. In 2.0 we had 1gb commitlogs by default. In 2.1 we have 8gb commitlogs by default. This is configurable at the yaml. Not sure what's causing the OOM. Did it generate an hprof file you can analyze? On Jun 13, 2015 7:42 AM, "Oleksandr Petrov" wrote: > So

Re: Seed Node OOM

2015-06-13 Thread Oleksandr Petrov
Sorry I completely forgot to mention it in an original message: we have rather large commitlog directory (which is usually rather small), 8G of commitlogs. Draining and flushing didn't help. On Sat, Jun 13, 2015 at 1:39 PM, Oleksandr Petrov < oleksandr.pet...@gmail.com> wrote: > Hi, > > We're usi

Re: Seed Node

2015-03-19 Thread Robert Coli
On Thu, Mar 19, 2015 at 3:56 PM, jean paul wrote: > Please,i have a question a bout the seed node.. as i read it is the > bootstrap node, each new node joins the seed node that's it? > if it leaves the cluster, how can a new node joins the rest of the group ? > What "a seed" is within Cassandra

Re: seed node failure crash the whole cluster

2011-02-07 Thread TSANG Yiu Wing
i will continue the issue here: http://groups.google.com/group/scale7/browse_thread/thread/dd74f1d6265ae2e7 thanks On Tue, Feb 8, 2011 at 7:44 AM, Dan Washusen wrote: > Hi, > I've added some comments and questions inline. > > Cheers, > Dan > On 8 February 2011 10:00, Jonathan Ellis wrote: >>

Re: seed node failure crash the whole cluster

2011-02-07 Thread Dan Washusen
Hi, I've added some comments and questions inline. Cheers, Dan On 8 February 2011 10:00, Jonathan Ellis wrote: > On Mon, Feb 7, 2011 at 1:51 AM, TSANG Yiu Wing wrote: > > cassandra version: 0.7 > > > > client library: scale7-pelops / 1.0-RC1-0.7.0-SNAPSHOT > > > > cluster: 3 machines (A, B, C)

Re: seed node failure crash the whole cluster

2011-02-07 Thread Jonathan Ellis
On Mon, Feb 7, 2011 at 1:51 AM, TSANG Yiu Wing wrote: > cassandra version: 0.7 > > client library: scale7-pelops / 1.0-RC1-0.7.0-SNAPSHOT > > cluster: 3 machines (A, B, C) > > details: > it works perfectly when all 3 machines are up and running > > but if the seed machine is down, the problems hap