Re: DB is slow until DB is reloaded
| От | Madison Kelly |
|---|---|
| Тема | Re: DB is slow until DB is reloaded |
| Дата | |
| Msg-id | 4B426438.40109@alteeve.com обсуждение исходный текст |
| Ответ на | Re: DB is slow until DB is reloaded (Steve Crawford <scrawford@pinpointresearch.com>) |
| Ответы |
Re: DB is slow until DB is reloaded
|
| Список | pgsql-performance |
Steve Crawford wrote:
> Madison Kelly wrote:
>>
>> I wanted to get ahead of the problem, hence my question here. :)
>> I've set this to run at night ('iwt' being the DB in question):
>>
>> su postgres -c "psql iwt -c \"VACUUM ANALYZE VERBOSE\"
>
> And why not the vacuumdb command?:
>
> su postgres -c "vacuumdb --analyze --verbose iwt"
>
>
> But this is duct-tape and bailing-wire. You REALLY need to make sure
> that autovacuum is running - you are likely to have much better results
> with less pain.
>
> Cheers,
> Steve
As for why '-c ...', I guess it was just a matter of which command came
to mind first. :) Is there a particular benefit to using the 'vacuumdb'
wrapper?
As for autovacuum, I assumed (yes, I know) that all v8.x releases
enabled it by default. How would I confirm that it's running or not?
Madi
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