<div dir="ltr">Great. Thanks for the explanation!<br></div><div class="gmail_extra"><br><div class="gmail_quote">2017-05-12 18:13 GMT+08:00 Tatsuo Ishii <span dir="ltr"><<a href="mailto:ishii@sraoss.co.jp" target="_blank">ishii@sraoss.co.jp</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="HOEnZb"><div class="h5">> Hello experts<br>
><br>
> I am not quite clear about the meaning of this parameter. From document, it<br>
> says<br>
><br>
> Specifies the time in seconds to terminate a Pgpool-II child process if it<br>
> remains idle. The new child process is immediately spawned by Pgpool-II<br>
> when it is terminated because of child_life_time.<br>
><br>
> What does "idle" here exactly mean? For example, I set child_life_time to<br>
> 120, and uses "psql" client to connect to pgpool, and does nothing. From<br>
> "ps -ef" output on pgpool, I can always see the process is "idle": pgpool:<br>
> postgres postgres x.x.x.x(zzzz) idle. But this child process never exits.<br>
><br>
> So it looks pgpool has different definition of "idle" from ps output?<br>
<br>
</div></div>yeah. In the context of child_life_time, "idle" means "no client is<br>
connecting". So testing with psql will never trigger child_life_time<br>
expiration.<br>
<br>
Best regards,<br>
--<br>
Tatsuo Ishii<br>
SRA OSS, Inc. Japan<br>
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</blockquote></div><br></div>