Hi Bhuvan,

You’re correct that large unlogged batch on one partition isn’t an issue.
The logging behaviour has been/is being changed - see this jira for a
detailed discussion: https://issues.apache.org/jira/browse/CASSANDRA-10876

Cheers
Ben



On Mon, 9 May 2016 at 00:58 Bhuvan Rawal <bhu1ra...@gmail.com> wrote:

> Hi,
>
> I was testing unlogged batches of size 15 and encountered bunch of these
> messages which are filling up my disk:
> 2016-05-08 20:22:58,338 [WARNING]  cassandra.protocol: Server warning: 
> *Unlogged
> batch covering 1 partition detected* against tables [xyz.abc, xyz.123].
> You should use a logged batch for atomicity, or asynchronous writes for
> performance.
>
> If I have identified the partition and writing bunch of rows into that
> using unlogged batch, isnt that an ideal case?
>
> Regards,
> Bhuvan
>
-- 
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Ben Slater
Chief Product Officer, Instaclustr
+61 437 929 798

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