Re: nodetool repair stalled

2014-01-14 Thread Paolo Crosato
I was able to complete the repair, repairing one keyspace and cf each time. However the last session is still shown as an active process, even if the session has been successfully completed, this is the log: INFO [CompactionExecutor:252] 2014-01-14 03:10:13,105 CompactionTask.java (line 275)

Cassandra mad GC

2014-01-14 Thread Dimetrio
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=$JVM_OPTS -XX:NewRatio=1 JVM_OPTS=$JVM_OPTS -XX:MaxTenuringThreshold=15 JVM_OPTS=$JVM_OPTS -XX:-UseAdaptiveSizePolicy

Re: Cassandra mad GC

2014-01-14 Thread Johnny Miller
Have you followed the recommended prod settings and installed JNA, Oracle JDK etc..? http://www.datastax.com/documentation/cassandra/2.0/webhelp/index.html#cassandra/install/installRecommendSettings.html On 14 Jan 2014, at 13:16, Dimetrio dimet...@flysoft.ru wrote: Hi all. I have many GC

Re: Cassandra mad GC

2014-01-14 Thread Dimetrio
JNA is installed java -version java version 1.7.0_45 Java(TM) SE Runtime Environment (build 1.7.0_45-b18) Java HotSpot(TM) 64-Bit Server VM (build 24.45-b08, mixed mode) cassandra 2.0.4, vnodes LCS, LZ4 Compression some cassandra config params: -- View this message in context:

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.

alter_column_family (thrift based pycassa) drop a column

2014-01-14 Thread Kumar Ranjan
Hey folks, I used create_column_family to create a CF but made a typo and I need to use alter_column_family to drop that column and re-create with correct name? Can you help with the syntax? here is what I use for alter_column_family:

Re: various Cassandra performance problems when CQL3 is really used

2014-01-14 Thread Ondřej Černoš
Hi, thanks for the answer and sorry for the delay. Let me answer inline. On Wed, Dec 18, 2013 at 4:53 AM, Aaron Morton aa...@thelastpickle.comwrote: * select id from table where token(id) token(some_value) and secondary_index = other_val limit 2 allow filtering; Filtering absolutely

Re: Cassandra mad GC

2014-01-14 Thread Arya Goudarzi
Hi, I sympathize with your issue. I recommend adding the following to your JVM flags: JVM_OPTS=$JVM_OPTS -XX:+PrintGCDetails JVM_OPTS=$JVM_OPTS -XX:+PrintGCDateStamps JVM_OPTS=$JVM_OPTS -XX:+PrintHeapAtGC JVM_OPTS=$JVM_OPTS -XX:+PrintTenuringDistribution JVM_OPTS=$JVM_OPTS