speeding up pg_dump? - Mailing list pgsql-novice

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Subject speeding up pg_dump?
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Msg-id 005d01c60a8f$ef41dd30$6402a8c0@iwing
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Responses Re: speeding up pg_dump?  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-novice
hi list
 
the pg_dump of our 2.45gb db takes an awfully long 45min during which db services come more or less to a hold.
this does not seem right to me. cpus and disks are basically idelling around. what other factors are involved in pg_dump?
 
here's our pg_dump command:
pg_dump -Fc -Z 2 -U postgres -f /backup/temp/mydb.db mydb
 
i tried to remove compression but that didn't help either - the server is more or less idle anyways.
 
i've noticed autovacuum continuing to vacuum tables during backup. might this be a problem?
 
any help speeding up the backup process is very appreciated!
 
- thomas
 
 
 
 

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