Re: changing compaction strategy

2017-03-15 Thread kurt greaves
The rogue pending task is likely a non-issue. If your jmx command went through without errors and you got the log message you can assume it worked. It won't show in the schema unless you run the ALTER statement which affects the whole cluster. If you were switching from STCS then you wouldn't

Re: changing compaction strategy

2017-03-14 Thread Mike Torra
Some more info: - running C* 3.9 - I tried `nodetool flush` on the column family this change applies to, and while it does seem to trigger compactions, there is still one pending that won't seem to run - I tried `nodetool compact` on the column family as well, with a similar affect Is there a way

changing compaction strategy

2017-03-13 Thread Mike Torra
I'm trying to change compaction strategy one node at a time. I'm using jmxterm like this: `echo 'set -b org.apache.cassandra.db:type=ColumnFamilies,keyspace=my_ks,columnfamily=my_cf CompactionParametersJson

Impact of Changing Compaction Strategy

2016-01-15 Thread Anuj Wadehra
Hi, I need to understand whether all existing sstables are recreated/updated when we change compaction strategy from STCS to DTCS? Sstables are immutable by design but do we take an exception for such cases and update same files when an Alter statement is fired to change the compaction

Re: Impact of Changing Compaction Strategy

2016-01-15 Thread Jeff Jirsa
). From: Anuj Wadehra Reply-To: "user@cassandra.apache.org" Date: Friday, January 15, 2016 at 10:16 AM To: "user@cassandra.apache.org" Subject: Impact of Changing Compaction Strategy Hi, I need to understand whether all existing sstables are recreated/updated when we change