Postgresql background writer and checkpointer memory utilization in Linux server

From: Mohammed Afsar <vmdapsar(at)gmail(dot)com>
To: pgsql-admin <pgsql-admin(at)postgresql(dot)org>
Subject: Postgresql background writer and checkpointer memory utilization in Linux server
Date: 2020-08-10 11:51:44
Message-ID: CA+6HduvjhUB_qB2cS2LJ8oN_LBRTnwuvZnAipdphJ_MDuJQygg@mail.gmail.com
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> Dear Team,
>
> How to reduce to take less memory checkpointer and background writer with
> faster database performance?
>
> This two components parameters disable is recommended on production
> environments?
>
> How to reduce pg_dum memory utilization and pg_dump is going take reserved
> database memory or differently it will take(including shared buffer memory
> or).
>
> Server/database current configuration:
> RAM:128gb
> CPU:24
> Database size:5TB
> Max_wal_size=7Gb
> Checkpoint_completion_target=0.9
> Wal_buffers=-1
> Shared_buffers=32GB
> Temp_buffers=8mb
> Work_mem=5GB
> Effective io concurrency=300
> Max worker process=24
> Max parallel worker per gather =12
> Max parallel worker =24
>
> Regards,
> Mohammed Afsar
> Phone:+91 9676536225
>
>

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