From: | Kein Name <muelladdi(at)gmail(dot)com> |
---|---|
To: | pgsql-general(at)lists(dot)postgresql(dot)org |
Subject: | Re: Autovacuum Problem |
Date: | 2018-04-03 07:54:55 |
Message-ID: | CA+XgNjLUp6xvX=2M_sNPZ4e_zoz8E5TRiGm=dck4i1yhTRQ-ew@mail.gmail.com |
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Lists: | pgsql-general |
> Why would you want that? Do you have any control over the application?
Any "special" patterns used in the app?
Drive is running full :/
Sadly I have no control and knowledge whatsoever over/about the application.
I tuned the autovacuum parameters now for the critical tables, to have it
run more often and using greater ressources while doing so.... but I am
unsure if this helps with the bloating.
2018-04-03 9:39 GMT+02:00 Achilleas Mantzios <achill(at)matrix(dot)gatewaynet(dot)com>:
> On 03/04/2018 10:00, Kein Name wrote:
>
> > VACUUM <> VACUUM FULL
> > Normally running VACUUM via autovacuum should help reuse free space but
> not actually return it to the filesystem / OS (unless it happens to be the
> last blocks in the data file(s)).
> > Ppl in normal/average type of installations/workloads no longer (since
> 8.2) run VACUUM (or VACUUM FULL) by hand, except in extra ordinary cases
> where e.g. need for free space is urgent.
>
> Hmmmm then when is the space released to the system when the manual VACUUM
> FULL run is not done? Any way to "force" this?
>
> Why would you want that? Do you have any control over the application? Any
> "special" patterns used in the app?
>
>
> 2018-04-03 8:49 GMT+02:00 Achilleas Mantzios <achill(at)matrix(dot)gatewaynet(dot)com
> >:
>
>> On 03/04/2018 09:36, Kein Name wrote:
>>
>>> However no space seems to be freed to the system.
>>>
>>> Is there any way a bloody newbie can debug this behaviour?
>>>
>>
>> VACUUM <> VACUUM FULL
>> Normally running VACUUM via autovacuum should help reuse free space but
>> not actually return it to the filesystem / OS (unless it happens to be the
>> last blocks in the data file(s)).
>> Ppl in normal/average type of installations/workloads no longer (since
>> 8.2) run VACUUM (or VACUUM FULL) by hand, except in extra ordinary cases
>> where e.g. need for free space is urgent.
>>
>>
>> Any help is appreciated!
>>>
>>> Thanks
>>> Stefan
>>>
>>>
>> --
>> Achilleas Mantzios
>> IT DEV Lead
>> IT DEPT
>> Dynacom Tankers Mgmt
>>
>>
>>
>
> --
> Achilleas Mantzios
> IT DEV Lead
> IT DEPT
> Dynacom Tankers Mgmt
>
>
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