Make pt-online-schema-change wait to abort
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Simon J Mudd
The current implementation of the checks can lead to the threshold being momentarily reached which will trigger the script to abort. For large tables this can be a nuisance as you may need to restart the script and run it again for several hours, so I think it would be helpful to have a new option which triggers the abort if the abort condition has been present for a minimum period of time rather than on the first "match".
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