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From Edward Capriolo <edlinuxg...@gmail.com>
Subject Re: Counter batches query
Date Sat, 06 Apr 2013 13:30:55 GMT
For #2
There are tow mutates in thrift batch_mutate and atomic_batch_mutate. The
atomic version was just added. If you care more about the performance do
not use the atomic version..


On Sat, Apr 6, 2013 at 12:03 AM, Matt K <infinitelimittester@gmail.com>wrote:

> Hi,
>
> I have an application that does batch (counter) writes to multiple CFs.
> The application itself is multi-threaded and I'm using C* 1.2.2 and
> Astyanax driver. Could someone share insights on:
>
> 1) When I see the cluster write throughput graph in opscenter, the number
> is not reflective of actual number of writes. For example: If I issue a
> single batch write ( internally have 5 mutation ), is the opscenter/JMX
> cluster/node writes suppose to indicate 1 or 5 ? ( I would assume 5 )
>
> 2) I read that from C* 1.2.x, there is atomic counter batches which can
> cause 30% performance hit - wondering if this applicable to existing thrift
> based clients like Astyanax/Hector and if so, what is the way to turn it
> off? Any server side settings too?
>
> Thanks!
>

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