[ 
https://issues.apache.org/jira/browse/CASSANDRA-12248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15527741#comment-15527741
 ] 

Nate McCall commented on CASSANDRA-12248:
-----------------------------------------

Yeah, I missed it. [~dikanggu] Jake is correct. 
CompactionManager.setConcurrentCompactors should have the setMaxPoolSize first, 
followed by core. I've actually done this wrong when poking these via JMX 
(slide 75 here: 
http://www.slideshare.net/zznate/advanced-apache-cassandra-operations-with-jmx).
 

Good catch, [~tjake]. 

> Allow tuning compaction thread count at runtime
> -----------------------------------------------
>
>                 Key: CASSANDRA-12248
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12248
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Tom van der Woerdt
>            Assignee: Dikang Gu
>            Priority: Minor
>             Fix For: 3.10
>
>
> While bootstrapping new nodes it can take a significant amount of time to 
> catch up on compaction or 2i builds. In these cases it would be convenient to 
> have a nodetool command that allows changing the number of concurrent 
> compaction jobs to the amount of cores on the machine.
> Alternatively, an even better variant of this would be to have a setting 
> "bootstrap_max_concurrent_compactors" which overrides the normal setting 
> during bootstrap only. Saves me from having to write a script that does it.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Reply via email to