Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.databases.ms-sqlserver > #2151

Re: Limiting memory usage

From Erland Sommarskog <esquel@sommarskog.se>
Newsgroups comp.databases.ms-sqlserver
Subject Re: Limiting memory usage
Date 2022-07-05 09:45 +0200
Organization Erland Sommarskog
Message-ID <XnsAECB6345F77FBYazorman@127.0.0.1> (permalink)
References <20220505124052.0ca7954a09edb5ff9ad84a0f@g{oogle}mail.com> <20220704143129.09dc28f65821d135ea404649@g{oogle}mail.com>

Show all headers | View raw


Anton Shepelev (anton.txt@g{oogle}mail.com) writes:
> I continue to experiment with my memory balancer, and its
> worst defect is that sometimes by decreasing
> 'max server memory' it causes the isntance to freeze and
> become unresponsive until restarted.  There are three ranges
> of these setting:
> 
>         freeze    high CPU      Works OK, zero CPU
>         until     usage while   usage while idle
>         restart   idle
>        |--------|-------------|--------------------->
>        0        V1            V2   max server memory
> 
>... 
> Have you an idea how to estimate minimum working value for
> server memory, that is V2 in the diagram above?

You don't say which absolute values you are working with. What I've noticed 
is that if you set "max server memory" to really low values, below 400 MB, 
SQL Server will not even start.

I'm not surprised if you can set "max server memory" to higher values 
and still send your server into nirvana. 

Back to comp.databases.ms-sqlserver | Previous | NextPrevious in thread | Next in thread | Find similar


Thread

Limiting memory usage Anton Shepelev <anton.txt@g{oogle}mail.com> - 2022-05-05 12:40 +0300
  Re: Limiting memory usage Anton Shepelev <anton.txt@g{oogle}mail.com> - 2022-05-05 13:18 +0300
  Re: Limiting memory usage Erland Sommarskog <esquel@sommarskog.se> - 2022-05-05 21:28 +0200
    Re: Limiting memory usage Anton Shepelev <anton.txt@g{oogle}mail.com> - 2022-05-11 12:48 +0300
  Re: Limiting memory usage Anton Shepelev <anton.txt@g{oogle}mail.com> - 2022-07-04 14:31 +0300
    Re: Limiting memory usage Erland Sommarskog <esquel@sommarskog.se> - 2022-07-05 09:45 +0200
      Re: Limiting memory usage Anton Shepelev <antonius@freeshell.de> - 2022-07-05 12:16 +0300
        Re: Limiting memory usage Erland Sommarskog <esquel@sommarskog.se> - 2022-07-05 21:27 +0200
          Re: Limiting memory usage Anton Shepelev <anton.txt@gmail.com> - 2022-07-06 00:45 +0300

csiph-web