Re: Big number of connections - Mailing list pgsql-performance

From Moreno Andreo
Subject Re: Big number of connections
Date
Msg-id 5702819D.3000700@evolu-s.it
Whole thread Raw
In response to Re: Big number of connections  (Artem Tomyuk <admin@leboutique.com>)
Responses Re: Big number of connections  (Artem Tomyuk <admin@leboutique.com>)
List pgsql-performance
<div class="moz-cite-prefix">Il 04/04/2016 16:54, Artem Tomyuk ha scritto:<br /></div><blockquote
cite="mid:CANYYVqKn9i9kkmxCBwUcd6g5FbgXmTBRxYrAVD2p6wLgLh4BrA@mail.gmail.com"type="cite"><div dir="ltr"><div
class="gmail_extra"><br/><div class="gmail_quote">2016-04-04 17:43 GMT+03:00 Moreno Andreo <span dir="ltr"><<a
href="mailto:moreno.andreo@evolu-s.it"moz-do-not-send="true"
target="_blank">moreno.andreo@evolu-s.it</a>></span>:<br/><blockquote class="gmail_quote" style="margin:0px 0px 0px
 
0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div class=""
id=":3ii"style="overflow:hidden">s there a way to monitor active connections, or at least to report when they grow too
much?<br/> (say, I have an 8-core system and want to track down if, and when, active connections grow over
80)</div></blockquote></div><br/> You can achieve that just running simple query like<br /><span
class="">select</span><spanclass=""> count(*) </span><span class="">from</span><span class=""> pg_stat_activity
</span><spanclass="">where</span><span class=""> state = </span><span class="">'active'</span> </div><div
class="gmail_extra"><br/></div><div class="gmail_extra"><br /></div><div class="gmail_extra"><br /></div><div
class="gmail_extra"><br/></div></div></blockquote> Thanks, but this way I get the "sample" on that actual moment: what
I'dneed is to monitor, or to have something warning me like "Hey, You've got 2000 active connections! Time to grow up!"
:-)<br/><br /> Cheers,<br /> Moreno.-<br /><br /> 

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