.@schange.com
>> Date: Thu, 29 Aug 2013 14:21:04 -0400
>> Subject: Re: Flush writer all time blocked
>> To: user@cassandra.apache.org
>>
>> On Thu, Aug 29, 2013 at 1:57 PM, Robert Coli wrote:
>> > On Thu, Aug 29, 2013 at 10:49 AM, S C wrote:
>> >>
On Thu, Aug 29, 2013 at 11:21 AM, Ken Hancock wrote:
> I don't think this is strictly true? There's also the periodic flush
> that can cause a storm of flushes if you have multiple column
> families. I sent out a query to the list last week on this topic but
> didn't get any responses -- I'm ver
Ken,
What queue size are you referring to?
Thanks,SC
> From: ken.hanc...@schange.com
> Date: Thu, 29 Aug 2013 14:21:04 -0400
> Subject: Re: Flush writer all time blocked
> To: user@cassandra.apache.org
>
> On Thu, Aug 29, 2013 at 1:57 PM, Robert Coli wrote:
> > On Thu,
On Thu, Aug 29, 2013 at 1:57 PM, Robert Coli wrote:
> On Thu, Aug 29, 2013 at 10:49 AM, S C wrote:
>> I see a high count "All time blocked" for Flush Writer on nodetool tpstats.
>>
>> Is it how many blocked ever since the server was online? Can somebody
>> explain me what it is? I really appreci
On Thu, Aug 29, 2013 at 11:04 AM, S C wrote:
> Thanks Rob. Will it contribute to any performance problems?
>
Yes, though perhaps more accurate would be that it is often an effect of
performance problems. In general Cassandra flushes memtables because it
believes it needs to. If it is unable to d
Thanks Rob. Will it contribute to any performance problems?
Thanks,SC
Date: Thu, 29 Aug 2013 10:57:30 -0700
Subject: Re: Flush writer all time blocked
From: rc...@eventbrite.com
To: user@cassandra.apache.org
On Thu, Aug 29, 2013 at 10:49 AM, S C wrote:
I see a high count "All
On Thu, Aug 29, 2013 at 10:49 AM, S C wrote:
> I see a high count "All time blocked" for Flush Writer on nodetool
> tpstats.
>
> Is it how many blocked ever since the server was online? Can somebody
> explain me what it is? I really appreciate it.
>
Yes.
Flush Writer thread pool is the thread
I see a high count "All time blocked" for Flush Writer on nodetool tpstats.
Is it how many blocked ever since the server was online? Can somebody explain
me what it is? I really appreciate it.
http://pastebin.com/GAiu2q74
Thanks,SC
