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An evaluation of whether a system works well enough to be fit for purpose. Normally performance refers to the speed with which a system completes an operation or set of operations over time.

1 vote

MySQL ON DUPLICATE KEY UPDATE performance issue

Try to start a transaction or set autocommit=false prior the updates. start transaction; .... a lot of updates here ... commit; Also, the swapping may yield to the lack of physical RAM which occurs …
Tinel Barb's user avatar