Re: How to alter the default value for concurrent_compactors

2016-09-20 Thread Romain Hardouin
Hi, You can read and write the value of the following MBean via JMX:org.apache.cassandra.db:type=CompactionManager  - CoreCompactorThreads  - MaximumCompactorThreads If you modify CoreCompactorThreads it will be effective immediatly, I mean assuming you have some pending compactions, you will

How to alter the default value for concurrent_compactors

2016-09-20 Thread Thomas Julian
Hello, We have commented out "concurrent_compactors" in our Cassandra 2.1.13 installation. We would like to review this setting, as some issues indicate that the default configuration may affect read/write performance. https://issues.apache.org/jira/browse/CASSANDRA-8787