:49 AM, S C wrote:
>
> Thank you all for valuable suggestions. Couple more questions,
>
> How to check the compaction queue? MBean/C* system log ?
> What happens if the queue is full?
>
> From: colinkuo...@gmail.com
> Date: Mon, 9 Jun 2014 18:53:41
2:14 PM, S C wrote:
> Thank you all for quick responses.
> --
> From: clohf...@blackbirdit.com
> Subject: Re: high pending compactions
> Date: Mon, 9 Jun 2014 14:11:36 -0500
> To: user@cassandra.apache.org
>
> Bean: org.apache.cassandra.db.Compac
Thank you all for quick responses.
From: clohf...@blackbirdit.com
Subject: Re: high pending compactions
Date: Mon, 9 Jun 2014 14:11:36 -0500
To: user@cassandra.apache.org
Bean: org.apache.cassandra.db.CompactionManager
also nodetool compactionstats gives you how many are in the queue + estimate
il.com
> Date: Mon, 9 Jun 2014 18:53:41 +0800
> Subject: Re: high pending compactions
> To: user@cassandra.apache.org
>
> As Jake suggested, you could firstly increase
> "compaction_throughput_mb_per_sec" and "concurrent_compactions" to suitable
> values
Thank you all for valuable suggestions. Couple more questions,
How to check the compaction queue? MBean/C* system log ?What happens if the
queue is full?
From: colinkuo...@gmail.com
Date: Mon, 9 Jun 2014 18:53:41 +0800
Subject: Re: high pending compactions
To: user@cassandra.apache.org
As Jake
As Jake suggested, you could firstly increase
"compaction_throughput_mb_per_sec" and "concurrent_compactions" to suitable
values if system resource is allowed. From my understanding, major
compaction will internally acquire lock before running compaction. In your
case, there might be a major compac
How to check if there are any "stuck compactions"?
> Date: Sun, 8 Jun 2014 12:43:45 -0400
> From: wkat...@cs.rutgers.edu
> To: user@cassandra.apache.org
> Subject: Re: high pending compactions
>
> Have you verified that these aren't "stuck compactions"
Have you verified that these aren't "stuck compactions"? e.g. even under
no load, they don't go away?
-Bill
On 06/08/2014 12:32 PM, Jake Luciani wrote:
2&3
On Sunday, June 8, 2014, S C mailto:as...@outlook.com>> wrote:
I am using Cassandra 1.1 (sorry bit old) and I am seeing high
pe
2&3
On Sunday, June 8, 2014, S C wrote:
> I am using Cassandra 1.1 (sorry bit old) and I am seeing high pending
> compaction count. "pending tasks: 67" while active compaction tasks are
> not more than 5. I have a 24CPU machine. Shouldn't I be seeing more
> compactions? Is this a pattern of high