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From: Jonathan Ellis <jbellis@gmail.com>
Date: Mon, 14 Dec 2009 17:12:43 -0600
Message-ID: <e06563880912141512m6f314546t22ee7382aed94781@mail.gmail.com>
Subject: Re: read latency creaping up
To: cassandra-user@incubator.apache.org
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hmm, me neither

but, I can't think how restarting the client would, either :)

On Mon, Dec 14, 2009 at 4:59 PM, Brian Burruss <bburruss@real.com> wrote:
> Well not sure how that would affect he latency as reported by the Cassand=
ra server using nodeprobe cfstats
>
> Jonathan Ellis <jbellis@gmail.com> wrote:
>
>
> possibly the clients are running into memory pressure?
>
> On Mon, Dec 14, 2009 at 4:27 PM, Brian Burruss <bburruss@real.com> wrote:
>> thx, i'm actually the "B. Todd Burruss" in that thread .. =A0we changed =
our email system and well now, i'm just Brian .. long story.
>>
>> anyway, in this case it isn't compaction pendings as i can kill the clie=
nts and immediately restart and the latency is back to a reasonable number.=
 =A0i'm still investigating.
>>
>> thx!
>> ________________________________________
>> From: Eric Evans [eevans@rackspace.com]
>> Sent: Monday, December 14, 2009 8:23 AM
>> To: cassandra-user@incubator.apache.org
>> Subject: RE: read latency creaping up
>>
>> On Sun, 2009-12-13 at 13:18 -0800, Brian Burruss wrote:
>>> if this isn't a known issue, lemme do some more investigating. =A0my
>>> test client becomes "more random" with reads as time progresses, so
>>> possibly this is what causes the latency issue. =A0however, all that
>>> being said, the performance really becomes bad after a while.
>>
>> Have a look at the following thread:
>>
>> http://thread.gmane.org/gmane.comp.db.cassandra.user/1402
>>
>>
>> --
>> Eric Evans
>> eevans@rackspace.com
>>
>>
>