From: Denis Corà <dcora@ibc.it>
To: m.digirolamo@tecnodata-srl.it
Cc: pgsql-admin@lists.postgresql.org
Subject: Re: Huge swap usage
Date: Wed, 28 Feb 2018 09:17:05 +0100
Message-ID: <d12a559b-a655-2ace-6df2-cddcce2d810a@ibc.it> (raw)
In-Reply-To: <2065222564.10906501.1519731937672.JavaMail.zimbra@tecnodata-srl.it>
References: <2065222564.10906501.1519731937672.JavaMail.zimbra@tecnodata-srl.it>
hi Mariano,
use smem (epel repository) to find process use swap; on dedicate server,
i think you can set swappiness to 5
Denis
Il 27/02/2018 12:45, Mariano Di Girolamo ha scritto:
> Hi to all,
> I have a virtual server centos 7.3 with posgres 9.5.7 and I have a
> problem with huge swap usage.
> In this moment I have 0 GB of free swap and 6,5 GB of RAM free.
> My swappiness is set to 30 (as default) and the page size is 4 kB.
> Is there someone that can help me to solve the problem?
> Below my server configuration.
>
> Thanks
>
> ---------------------
> Centos 7.3.1611
> vCPU: 4
> RAM: 16 GB
> SWAP: 4GB
> Postgresql: 9.5.7
>
> ## custom section of postgresql.conf ##
> port = 5432
> max_connections = 250
> shared_buffers = 4GB
> maintenance_work_mem = 512MB
> checkpoint_timeout = 30min
> escape_string_warning = off
> standard_conforming_strings = off
> work_mem = 32MB
> effective_cache_size = 4GB
> max_wal_senders = 10
> log_parser_stats = on
> log_planner_stats = on
> log_executor_stats = on
> log_statement_stats = on
> log_autovacuum_min_duration = 216000000
>
>
>
>
>
> /*Mariano Di Girolamo*/
> cell. +39 329 <callto:+39%20329%200552286>0552286
> tel. +39 0735 7626263 <callto:+39%200735%207626263>
> email: m.digirolamo@tecnodata-srl.it
> <mailto:m.digirolamo@tecnodata-srl.it>
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To: pgsql-admin@postgresql.org
Cc: dcora@ibc.it, m.digirolamo@tecnodata-srl.it, pgsql-admin@lists.postgresql.org
Subject: Re: Huge swap usage
In-Reply-To: <d12a559b-a655-2ace-6df2-cddcce2d810a@ibc.it>
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