Once you start getting into the realm of 10 or so nodes, I'd expect select to 
start slowing down a bit.

We also resolved a performance issue with select 
(http://www.couchbase.com/issues/browse/CCBC-407) which would have also caused 
a slowdown. I'd ask that you try 2.3.1 and see how that works for you.

Mark

On May 12, 2014, at 12:59 AM, Zhichao <[email protected]> wrote:

> ok , i find it is via libevent
> how many nodes you could be visible? we tested on cluster of 10, anyway, we 
> reported a performance issue, it depends on you.
> we rolled back to libcouchbase 2.2.0 
> 
> 
> On Wed, May 7, 2014 at 12:08 PM, M. Nunberg <[email protected]> wrote:
> Hi. Epoll is utilized by means of libevent and libe  plugins. Select is 
> implemented as a fallback in case those libraries are not available.
> 
> In any event, a noticeable performance different should only be visible with 
> many nodes.
> 
> 
> Sent via the Samsung Galaxy S(tm)III, an AT&T 4G LTE smartphone
> 
> 
> 
> -------- Original message --------
> From: Zhichao <[email protected]> 
> Date: 05/05/2014 3:29 AM (GMT-08:00) 
> To: [email protected] 
> Subject: Re: ANN: libcouchbase 2.3.0 
> 
> 
> 
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