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From Alain RODRIGUEZ <arodr...@gmail.com>
Subject Re: Do I have to use repair -inc with the option -par forcely?
Date Tue, 16 Feb 2016 13:45:36 GMT
Hi,

I am testing repairs repairs -inc -par and I can see that in all my nodes
> the numbers of sstables explode to 5k from 5 sstables.


This looks like a known issue, see
https://issues.apache.org/jira/browse/CASSANDRA-10422
Make sure your version is higher than 2.1.12, 2.2.4, 3.0.1, 3.1 to avoid
this (and you are indeed facing CASSANDRA-10422).
I am not sure you are facing this though, as you don't seem to be using
subranges (nodetool repair -st  and -et options)

*It is anyway to run repairs incrementals but not -par ?*
>
> I know that is it not possible to run sequential repair with incremental
> repair at the same time.
>


>From http://www.datastax.com/dev/blog/more-efficient-repairs
"Incremental repairs can be opted into via the -inc option to nodetool
repair. This is compatible with both sequential and parallel (-par) repair,
e.g., bin/nodetool -par -inc <ks> <cf>."
So you should be able to remove -par. Not sure this will solve your issue
though.


Did you respect this process to migrate to incremental repairs?
https://docs.datastax.com/en/cassandra/2.1/cassandra/operations/opsRepairNodesMigration.html#opsRepairNodesMigration__ol_dxj_gp5_2s

C*heers,
-----------------
Alain Rodriguez
France

The Last Pickle
http://www.thelastpickle.com



2016-02-10 17:45 GMT+01:00 Jean Carlo <jean.jeancarl48@gmail.com>:

> Hi guys; The question is on the subject.
>
> I am testing repairs repairs -inc -par and I can see that in all my nodes
> the numbers of sstables explode to 5k from 5 sstables.
>
> I cannot permit this behaivor on my cluster in production.
>
> *It is anyway to run repairs incrementals but not -par ?*
>
> I know that is it not possible to run sequential repair with incremental
> repair at the same time.
>
> Best regards
>
> Jean Carlo
>
> "The best way to predict the future is to invent it" Alan Kay
>

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