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From Ankit Gadhiya <ankitgadh...@gmail.com>
Subject Re: Query timeouts after Cassandra Migration
Date Thu, 06 Feb 2020 18:58:56 GMT
Hi Michael,

Thanks for your response.

I didn’t copy tokens since it’s an identical cluster and we have RF as 3 on
3 node cluster. Is it still needed , why?

Don’t see anything in cassandra log as such. I don’t have debugs enabled.


Thanks & Regards,
Ankit

On Thu, Feb 6, 2020 at 1:47 PM Michael Shuler <michael@pbandjelly.org>
wrote:

> Did you copy the tokens from cluster1 to new cluster2? Same Cassandra
> version, same instance type/size? What to the logs say on cluster2 that
> look different from the cluster1 norm? There are a number of possible
> `nodetool` utilities that may help see what is happening on new cluster2.
>
> Michael
>
> On 2/6/20 8:09 AM, Ankit Gadhiya wrote:
> > Hi Folks,
> >
> > I recently migrated Cassandra keyspace data from one Azure cluster (3
> > Nodes) to another (3 nodes different region) using simple sstable copy.
> > Post this , we are observing overall response time has increased and
> > timeouts every 20 mins.
> >
> > Has anyone faced such in their experiences ?
> > Do I need to copy anything from system*
> > Anything wrt statistics/cache ?
> >
> > Your time and responses on this are much appreciated.
> >
> >
> > Thanks & Regards,
> > Ankit
> > --
> > *Thanks & Regards,*
> > *Ankit Gadhiya*
> >
>
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> --
*Thanks & Regards,*
*Ankit Gadhiya*

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