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Re: [ADMIN] Frequent errors in postgresql.log - Mailing list pgsql-admin

From Tom Lane
Subject Re: [ADMIN] Frequent errors in postgresql.log
Date
Msg-id 16608.1481586979@sss.pgh.pa.us
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In response to [ADMIN] Frequent errors in postgresql.log  (Ram DBA <postgresdbas@gmail.com>)
Responses Re: [ADMIN] Frequent errors in postgresql.log  (Keith <keith@keithf4.com>)
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Ram DBA <postgresdbas@gmail.com> writes:
> There are frequent errors in our postgresql.log.
> Though they aren't harmful to the database, would like to understand the
> cause of it.

> < 2016-12-12 15:29:09.036 PST >LOG:  incomplete startup packet
> < 2016-12-12 15:30:09.037 PST >LOG:  incomplete startup packet
> < 2016-12-12 15:31:09.037 PST >LOG:  incomplete startup packet

Something's scanning your postmaster port once a second, ie, opening
a connection and then closing it without sending anything.  If you
don't have a monitoring system that's supposed to be doing that,
it would behoove you to find out where that traffic is coming from.

            regards, tom lane

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