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From Oskar Kjellin <>
Subject Re: Is periodic manual repair necessary?
Date Mon, 27 Feb 2017 17:29:36 GMT
Are you running multi dc?

Skickat från min iPad

> 27 feb. 2017 kl. 16:08 skrev Thakrar, Jayesh <>:
> Suppose I have an application, where there are no deletes, only 5-10% of rows being occasionally
updated (and that too only once) and a lot of reads.
> Furthermore, I have replication = 3 and both read and write are configured for local_quorum.
> Occasionally, servers do go into maintenance.
> I understand when the maintenance is longer than the period for hinted_handoffs to be
preserved, they are lost and servers may have stale data.
> But I do expect it to be rectified on reads. If the stale data is not read again, I don’t
care for it to be corrected as then the data will be automatically purged because of TTL.
> In such a situation, do I need to have a periodic (weekly?) manual/batch read_repair
> Thanks,
> Jayesh Thakrar

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