500
> To: "user@cassandra.apache.org"
> Cc: "aa...@thelastpickle.com"
> Subject: Re: Lots and Lots of CompactionReducer Threads
>
> With the exception of a few little warnings on start-up about the Memtable
> live ratio, there is nothing at WARN or above in the logs.
ache.org>>
Cc: "aa...@thelastpickle.com<mailto:aa...@thelastpickle.com>"
mailto:aa...@thelastpickle.com>>
Subject: Re: Lots and Lots of CompactionReducer Threads
With the exception of a few little warnings on start-up about the Memtable live
ratio, there is nothing at WARN or above in
assandra.apache.org<mailto:user@cassandra.apache.org>"
mailto:user@cassandra.apache.org>>
Date: Sun, 8 Jan 2012 16:51:50 -0500
To: "user@cassandra.apache.org<mailto:user@cassandra.apache.org>"
mailto:user@cassandra.apache.org>>
Subject: Re: Lots and Lots of
How many threads ? Any errors in the server logs ?
What does noodtool tpstats and nodetool compactionstats say ?
Did you change compaction_strategy for the CF's ?
By default cassandra will use as many compaction threads as you have cores, see
concurrent_compactors in cassandra.yaml
Have you
Hi Everybody,
JConsole tells me I've got CompactionReducer threads stacking up, consuming
memory, and never going away. Eventually, my Java process fails because it
can't allocate any more native threads. Here's my setup…
Cassandra 1.0.5 on CentOS 6.0
4 GB of RAM
50 GB SSD HD
Memtable flush t
