Re: How to interpret some GC logs

2015-06-03 Thread Carlos Rolo
to GC are: -XX:+PrintGCDateStamps -Xloggc:/var/log/cassandra/gc.log Best Regards, Sebastian Martinka *Von:* Michał Łowicki [mailto:mlowi...@gmail.com] *Gesendet:* Montag, 1. Juni 2015 11:47 *An:* user@cassandra.apache.org *Betreff:* How to interpret some GC logs Hi, Normally I

AW: How to interpret some GC logs

2015-06-02 Thread Sebastian Martinka
this should help you: https://blogs.oracle.com/poonam/entry/understanding_cms_gc_logs Best Regards, Sebastian Martinka Von: Michał Łowicki [mailto:mlowi...@gmail.com] Gesendet: Montag, 1. Juni 2015 11:47 An: user@cassandra.apache.org Betreff: How to interpret some GC logs Hi, Normally I get

Re: How to interpret some GC logs

2015-06-02 Thread Michał Łowicki
/cassandra/gc.log Best Regards, Sebastian Martinka *Von:* Michał Łowicki [mailto:mlowi...@gmail.com] *Gesendet:* Montag, 1. Juni 2015 11:47 *An:* user@cassandra.apache.org *Betreff:* How to interpret some GC logs Hi, Normally I get logs like: 2015-06-01T09:19:50.610+: 4736.314

Re: How to interpret some GC logs

2015-06-02 Thread Michał Łowicki
On Mon, Jun 1, 2015 at 7:25 PM, Jason Wee peich...@gmail.com wrote: can you tell what jvm is that? root@db2:~# java -version java version 1.7.0_80 Java(TM) SE Runtime Environment (build 1.7.0_80-b15) Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode) jason On Mon, Jun 1,

How to interpret some GC logs

2015-06-01 Thread Michał Łowicki
Hi, Normally I get logs like: 2015-06-01T09:19:50.610+: 4736.314: [GC 6505591K-4895804K(8178944K), 0.0494560 secs] which is fine and understandable but occasionalIy I see something like: 2015-06-01T09:19:50.661+: 4736.365: [GC 4901600K(8178944K), 0.0049600 secs] How to interpret it?

Re: How to interpret some GC logs

2015-06-01 Thread Jason Wee
can you tell what jvm is that? jason On Mon, Jun 1, 2015 at 5:46 PM, Michał Łowicki mlowi...@gmail.com wrote: Hi, Normally I get logs like: 2015-06-01T09:19:50.610+: 4736.314: [GC 6505591K-4895804K(8178944K), 0.0494560 secs] which is fine and understandable but occasionalIy I see