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From Jean-Daniel Cryans <jdcry...@apache.org>
Subject Re: Question about the HBase thrift server
Date Mon, 09 Dec 2013 18:03:37 GMT
That's right, round robin should only be applied when you start answering
some client request and stick to it until you're done.

J-D


On Fri, Dec 6, 2013 at 9:17 PM, Varun Sharma <varun@pinterest.com> wrote:

> Hi everyone,
>
> I have a question about the hbase thrift server and running scans in
> particular. The thrift server maintains a map of <int> -> ResultScanner(s).
> These integers are passed back to the client. Now in a typical setting
> people run many thrift servers and round robin rpc(s) to them.
>
> It seems that for scans, such a technique of just round robinning is simply
> not going to work. If a scan integer ID has been retrieved from a certain
> thrift server A, all the next() calls and close calls should fall on that
> server.
>
> I just wanted to make sure I got this thinking right and there isn't really
> a way around this because scans, unlike gets have associated state.
>
> Thanks !
> Varun
>

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