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From Alexander Shraer <shra...@gmail.com>
Subject Re: Latency in asynchronous mode
Date Thu, 23 Oct 2014 13:14:14 GMT
Maybe due to queueing at the leader in asynchronous mode - if in your
experiment you have one client in sync mode the leader has just one op in
the queue at a time
On Oct 23, 2014 1:57 PM, "Ibrahim" <i.s.el-sanosi@newcastle.ac.uk> wrote:

> Hi folks,
>
> I am testing ZooKeeper latency in Asynchronous mode. I am sending update
> (write) requests to Zookeeper cluster that consists of 5 physical
> Zookeeper.
>
> So, when I run the stat command I get high latency like:
> Latency min/avg/max: 7/339/392
> Latency min/avg/max: 1/371/627
> Latency min/avg/max: 1/371/627
> Latency min/avg/max: 1/364/674
> I guess such high latency correspond to fsync (batch requests). But I wish
> if someone could help me and explain this behaviour.
>
> However, testing Zookeeper using Synchronous mode, it gives me reasonable
> result like:
> Latency min/avg/max: 6/24/55
> Latency min/avg/max: 7/22/61
> Latency min/avg/max: 7/30/65
>
> Note that the latency measures in milliseconds.
>
> I look forward to hearing from you.
>
> Ibrahim
>
>
>
>
>
>
>
> --
> View this message in context:
> http://zookeeper-user.578899.n2.nabble.com/Latency-in-asynchronous-mode-tp7580446.html
> Sent from the zookeeper-user mailing list archive at Nabble.com.
>

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