Re: Cassandra mad GC

2014-01-20 Thread Dimetrio
.3065146.n2.nabble.com/Cassandra-mad-GC-tp7592248p7592300.html Sent from the cassandra-u...@incubator.apache.org mailing list archive at Nabble.com.

Re: Cassandra mad GC

2014-01-20 Thread Dimetrio
ads), compaction_throughput = 128 -- View this message in context: http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Cassandra-mad-GC-tp7592248p7592299.html Sent from the cassandra-u...@incubator.apache.org mailing list archive at Nabble.com.

Re: Cassandra mad GC

2014-01-20 Thread Dimetrio
I think "Read 1001 live and 1518" is not too many tombstones and its normal -- View this message in context: http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Cassandra-mad-GC-tp7592248p7592297.html Sent from the cassandra-u...@incubator.apache.org mailing list

Re: Cassandra mad GC

2014-01-16 Thread Arya Goudarzi
t;> I set G1 because GS started to work wrong(dropped messages) with standard >> GC >> settings. >> In my opinion, Cassandra started to work more stable with G1 (it's getting >> less count of timeouts now) but it's not ideally yet. >> I jus

Re: Cassandra mad GC

2014-01-16 Thread Aaron Morton
nt of timeouts now) but it's not ideally yet. > I just want cassandra to works fine. > > > > -- > View this message in context: > http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Cassandra-mad-GC-tp7592248p7592257.html > Sent from the cassandra-u...@incubator.apache.org mailing list archive at > Nabble.com. > > > > -- > Cheers, > -Arya

Re: Cassandra mad GC

2014-01-15 Thread Arya Goudarzi
tp://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Cassandra-mad-GC-tp7592248p7592257.html > Sent from the cassandra-u...@incubator.apache.org mailing list archive at > Nabble.com. > -- Cheers, -Arya

RE: Cassandra mad GC

2014-01-15 Thread Dimetrio
ext: http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Cassandra-mad-GC-tp7592248p7592257.html Sent from the cassandra-u...@incubator.apache.org mailing list archive at Nabble.com.

RE: Cassandra mad GC

2014-01-15 Thread Viktor Jevdokimov
Forgot to ask, what do you want to achieve by changing default GC settings? -Original Message- From: Viktor Jevdokimov [mailto:viktor.jevdoki...@adform.com] Sent: Wednesday, January 15, 2014 10:18 AM To: user@cassandra.apache.org Subject: RE: Cassandra mad GC Simply don't use G1 G

RE: Cassandra mad GC

2014-01-15 Thread Viktor Jevdokimov
andra-u...@incubator.apache.org Subject: Cassandra mad GC Hi all. I have many GC freezes on my cassandra cluster Im using G1 GC and CMS gives similar freezes JVM_OPTS="$JVM_OPTS -XX:+UseG1GC" JVM_OPTS="$JVM_OPTS -XX:SurvivorRatio=1" JVM_OPTS="$JVM_OPTS -XX:N

Re: Cassandra mad GC

2014-01-14 Thread Arya Goudarzi
ng a fat row; (> 10Mb) 3. Premature tenuring of objects in Java heap. Cheers, -Arya On Tue, Jan 14, 2014 at 5:39 AM, Dimetrio wrote: > iostat is clean > vm.max_map_count = 131072 > > > > > -- > View this message in context: > http://cassandra-user-incubator-apach

Re: Cassandra mad GC

2014-01-14 Thread Dimetrio
iostat is clean vm.max_map_count = 131072 -- View this message in context: http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Cassandra-mad-GC-tp7592248p7592251.html Sent from the cassandra-u...@incubator.apache.org mailing list archive at Nabble.com.

Re: Cassandra mad GC

2014-01-14 Thread Dimetrio
ext: http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Cassandra-mad-GC-tp7592248p7592250.html Sent from the cassandra-u...@incubator.apache.org mailing list archive at Nabble.com.

Re: Cassandra mad GC

2014-01-14 Thread Johnny Miller
h lower than 50) > > How can i reduce GC freezes? > > --regards > > > > > > -- > View this message in context: > http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Cassandra-mad-GC-tp7592248.html > Sent from the cassandra-u...@incubator.apache.org mailing list archive at > Nabble.com.

Cassandra mad GC

2014-01-14 Thread Dimetrio
6272012039 bytes43.26% Active compaction remaining time : 0h00m32s 200-300 requests per second on each node with many inserts and deletes (batch lower than 50) How can i reduce GC freezes? --regards -- View this message in context: http://cassandra-user-incubator-apache-org.