; From: Hiller, Dean [mailto:dean.hil...@nrel.gov]
> Sent: Wednesday, April 24, 2013 23:38
> To: user@cassandra.apache.org
> Subject: Re: compaction throughput rate not even close to 16MB
>
> Thanks much!!! Better to hear at least one other person sees the same thing
> ;). Somet
By the way, we are on SSD.
-Wei
From: "Hiller, Dean"
To: "user@cassandra.apache.org"
Sent: Wednesday, April 24, 2013 1:37 PM
Subject: Re: compaction throughput rate not even close to 16MB
Thanks much!!! Better to hear at least one othe
ndra.apache.org>>
Date: Wednesday, April 24, 2013 2:33 PM
To: "user@cassandra.apache.org<mailto:user@cassandra.apache.org>"
mailto:user@cassandra.apache.org>>
Subject: Re: compaction throughput rate not even close to 16MB
I have noticed the same. I think in the "real
On Wed, Apr 24, 2013 at 1:33 PM, Edward Capriolo wrote:
> I think that setting is more important with multi threaded compaction and/or
> more compaction slots. In those cases it may actually throttle something.
Or if you're simultaneously doing a repair, which does a validation
compaction, which
I have noticed the same. I think in the "real" world your compaction
throughput is limited by other things. If I had to speculate I would say
that compaction can remove expired tombstones, however doing this requires
bloom filter checks, etc.
I think that setting is more important with multi threa
I was wondering about the compactionthroughput. I never see ours get even
close to 16MB and I thought this is supposed to throttle compaction, right?
Ours is constantly less than 3MB/sec from looking at our logs or do I have this
totally wrong? How can I see the real throughput so that I can
