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Zookeeper >> mail # user >> Will zookeeper server merge some watcher notifications?


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Re: Will zookeeper server merge some watcher notifications?
Yeah, Thanks.

I know zk server will notify it's znodes watcher. But i mean will zookeeper
server merge some watcher notifications when client update data of znode *
frequently*!

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2011/11/4 Andrei Savu <[EMAIL PROTECTED]>

> Check this page:
>
> http://zookeeper.apache.org/doc/r3.3.3/zookeeperProgrammers.html#ch_zkWatches
>
> *One-time trigger*
>
> One watch event will be sent to the client when the data has changed. For
> example, if a client does a getData("/znode1", true) and later the data for
> /znode1 is changed or deleted, the client will get a watch event for
> /znode1. If /znode1 changes again, no watch event will be sent unless the
> client has done another read that sets a new watch.
>
> On Fri, Nov 4, 2011 at 10:43 AM, nileader <[EMAIL PROTECTED]> wrote:
>
> > Will zookeeper server merge some watcher notifications when client update
> > data of znode frequent!
> >
>