From: Laurenz Albe <laurenz.albe@cybertec.at>
To: Dinesh Chandra 12108 <Dinesh.Chandra@cyient.com>
To: pgsql-performance@postgresql.org <pgsql-performance@postgresql.org>
Subject: Re: CPU 100% usage caused by unknown postgres process..
Date: Wed, 13 Dec 2017 11:36:11 +0100
Message-ID: <1513161371.5128.3.camel@cybertec.at> (raw)
In-Reply-To: <68dd64b2a09f4fd8afe9582a4e23641e@cyient.com>
References: <68dd64b2a09f4fd8afe9582a4e23641e@cyient.com>
Dinesh Chandra 12108 wrote:
> My CPU utilization is going to 100% in PostgreSQL because of one unknown process /x3303400001 is running from postgres user.
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> 19885 postgres 20 0 192684 3916 1420 S 99.3 0.1 5689:04 x3303400001
>
> The same file is automatically created in Postgres Cluster also. I am using Postgresql-9.3.
>
> Kindly suggest how can I resolve this issue.
I don't know, but the same problem has been reported on Stackoverflow:
https://stackoverflow.com/q/46617329/6464308
If your queries look similar, then you might indeed be the victim of an attack.
Figure out where the function and the executable come from.
In case of doubt, disconnect the server from the network.
Yours,
Laurenz Albe
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To: pgsql-performance@postgresql.org
Cc: laurenz.albe@cybertec.at, Dinesh.Chandra@cyient.com
Subject: Re: CPU 100% usage caused by unknown postgres process..
In-Reply-To: <1513161371.5128.3.camel@cybertec.at>
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