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From Ted Dunning <ted.dunn...@gmail.com>
Subject Re: need for more conditional write support
Date Thu, 16 Dec 2010 19:21:09 GMT
My thought is that this should be handled by limiting the *total* size of
all updates in one call to be limited the same way that *single* update
sizes are limited now.

On Thu, Dec 16, 2010 at 11:04 AM, Henry Robinson <henry@cloudera.com> wrote:

> This should be a cautionary note on performance, however: as there is no
> parallelism in the execution of updates (although there is plenty in the
> serialisation process) we should build a mechanism to constrain how much
> work this operation can perform, otherwise there's a danger of hurting
> throughput for all clients of a cluster.

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