RE: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade

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От Igor Neyman
Тема RE: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade
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Msg-id CY1PR17MB045826A08D80CDE3EB585A6CDA230@CY1PR17MB0458.namprd17.prod.outlook.com
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Ответ на Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade  ("Henrik Cednert (Filmlance)" <henrik.cednert@filmlance.se>)
Ответы Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade
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From: Henrik Cednert (Filmlance) [mailto:henrik.cednert@filmlance.se]
Sent: Tuesday, November 21, 2017 11:37 AM
To: pgsql-performance@lists.postgresql.org
Subject: Re: pg_dump 3 times as slow after 8.4 -> 9.5 upgrade

 

Attention: This email was sent from someone outside of Perceptron. Always exercise caution when opening attachments or clicking links from unknown senders or when receiving unexpected emails.

 

RAID6. Doing disk test I have 1000MB/sec write and 1200MB/sec read. 


--
Henrik Cednert
cto | compositor

Filmlance International
mobile [ + 46 (0)704 71 89 54 ]
skype  [ cednert ]


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Okay, I was kind of wrong about 40GB.  That’s the size of your compressed backup files, not the size of your databases.

May be your dbs are “bloated”?

You could try VACUUM FULL on your databases, when there is no other activity.

 

Igor Neyman

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