are under control and normal. This may not be related to
upgrade at all!
From: Pradeep Chhetri [mailto:prad...@stashaway.com]
Sent: Tuesday, August 28, 2018 3:32 AM
To: user@cassandra.apache.org
Subject: Re: Upgrade from 2.1 to 3.11
You may want to try upgrading to 3.11.3 instead which has
t be related to upgrade at all!
>
>
>
>
>
> *From:* Pradeep Chhetri [mailto:prad...@stashaway.com]
> *Sent:* Tuesday, August 28, 2018 3:32 AM
> *To:* user@cassandra.apache.org
> *Subject:* Re: Upgrade from 2.1 to 3.11
>
>
>
> You may want to try upgrading to
...@stashaway.com]
Sent: Tuesday, August 28, 2018 3:32 AM
To: user@cassandra.apache.org
Subject: Re: Upgrade from 2.1 to 3.11
You may want to try upgrading to 3.11.3 instead which has some memory leaks
fixes.
On Tue, Aug 28, 2018 at 9:59 AM, Mun Dega
mailto:mundeg...@gmail.com>> wrote:
I am sur
Ma, did you try what Mohamadreza suggested? Have a such a large heap means
you are getting a ton of stuff that needs full GC.
On Tue, Aug 28, 2018 at 4:31 AM Pradeep Chhetri
wrote:
> You may want to try upgrading to 3.11.3 instead which has some memory
> leaks fixes.
>
> On Tue, Aug 28, 2018
You may want to try upgrading to 3.11.3 instead which has some memory leaks
fixes.
On Tue, Aug 28, 2018 at 9:59 AM, Mun Dega wrote:
> I am surprised that no one else ran into any issues with this version. GC
> can't catch up fast enough and there is constant Full GC taking place.
>
> The
I am surprised that no one else ran into any issues with this version. GC
can't catch up fast enough and there is constant Full GC taking place.
The result? unresponsive nodes makeing entire cluster unusable.
Any insight on this issue from anyone that is using this version would be
appreciated.
You have very large heap,it’s take most of cpu time in GC stage.you should
in maximum set heap on 12GB and enable row cache to your cluster become
faster.
On Friday, 24 August 2018, Mun Dega wrote:
> 120G data
> 28G heap out of 48 on system
> 9 node cluster, RF3
>
>
> On Thu, Aug 23, 2018,
Looks like there are a couple of issues open regarding 3.11.2 release:
https://issues.apache.org/jira/browse/CASSANDRA-14355
https://issues.apache.org/jira/browse/CASSANDRA-14495
Ma
On Thu, Aug 23, 2018 at 10:54 PM Mun Dega wrote:
> Interesting. Any other suggestions what other things
Interesting. Any other suggestions what other things changed that would be
major between 2.1 and 3.x?
In Change Log all isee is bug fixes and further improvements.
On Thu, Aug 23, 2018, 21:37 Gosar M wrote:
> we also increased the max_heap_count (sysctl.conf) value to resolve OOO
> memory
we also increased the max_heap_count (sysctl.conf) value to resolve OOO memory
issue.
On Thursday, 23 August 2018, 16:04:20 GMT-7, Mun Dega
wrote:
120G data28G heap out of 48 on system9 node cluster, RF3
On Thu, Aug 23, 2018, 17:19 Mohamadreza Rostami
wrote:
Hi,How much data do
120G data
28G heap out of 48 on system
9 node cluster, RF3
On Thu, Aug 23, 2018, 17:19 Mohamadreza Rostami <
mohamadrezarosta...@gmail.com> wrote:
> Hi,
> How much data do you have? How much RAM do your servers have? How much do
> you have a heep?
> On Thu, Aug 23, 2018 at 10:14 PM Mun Dega
Hi,
How much data do you have? How much RAM do your servers have? How much do
you have a heep?
On Thu, Aug 23, 2018 at 10:14 PM Mun Dega wrote:
> Hello,
>
> We recently upgraded from Cassandra 2.1 to 3.11.2 on one cluster. The
> process went OK including upgradesstable but we started to
Hello,
We recently upgraded from Cassandra 2.1 to 3.11.2 on one cluster. The
process went OK including upgradesstable but we started to experience high
latency for r/w, occasional OOM and long GC pause after.
For the same cluster with 2.1, we didn't have any issues like this. We
also kept
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