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Re: DBI: How to update 150K records efficiently

by graff (Chancellor)
on Apr 01, 2008 at 05:01 UTC ( #677694=note: print w/ replies, xml ) Need Help??

in reply to DBI: How to update 150K records efficiently

You may want to check into controlling the AutoCommit attribute of the DBI connection. (This relates to the notion of transaction handling mentioned above.) I know from personal experience (on a mirrored MySQL server) that AutoCommit being on vs. off (and issuing a commit(), say, every thousand updates or so, instead of on every update) can make a major difference in speed (esp. on a mirrored server).

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