using stale statistics instead of current ones because stats collector is not responding

From: Tory M Blue <tmblue(at)gmail(dot)com>
To: pgsql-performance <pgsql-performance(at)postgresql(dot)org>
Subject: using stale statistics instead of current ones because stats collector is not responding
Date: 2016-03-09 00:18:19
Message-ID: CAEaSS0aKRsus7i-zrj59kGqCCe7JsoDnZH-Z=9aZW+T=7+B4dg@mail.gmail.com
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No hits on the intratubes on this.

Any idea ? We are doing some massive deletes so was curious as to what
would cause this error. The DB is up, not overburdened, just some big
deletes and slon replication processes.

CentOS 6.6
Postgres 9.4.5

First time I've ever seen this alert/error just curious about it.

2016-03-08 16:17:29 PST 11877 2016-03-08 16:17:29.850 PSTLOG: using
stale statistics instead of current ones because stats collector is not
responding

Thanks

Tory

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