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What *_mem to increase when running CLUSTER - Mailing list pgsql-performance

From Andrew Lazarus
Subject What *_mem to increase when running CLUSTER
Date
Msg-id 430E1AF6.9030803@pillette.com
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In response to Re: Need for speed 2  ("Merlin Moncure" <merlin.moncure@rcsonline.com>)
Responses Re: What *_mem to increase when running CLUSTER
Re: What *_mem to increase when running CLUSTER
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Should I temporarily increase sort_mem, vacuum_mem, neither, or both
when doing a CLUSTER on a large (100 million row) table where as many as
half of the tuples are deadwood from UPDATEs or DELETEs? I have large
batch (10 million row) inserts, updates, and deletes so I'm not sure
frequent vacuuming would help.
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