On 2/21/18 15:53, Magnus Hagander wrote: > *Two new functions are added, pg_enable_data_checksums() and > pg_disable_data_checksums(). The disable one is easy -- it just changes > to disable. The enable one will change the state to inprogress, and then > start a background worker (the “checksumhelper launcher”). This worker > in turn will start one sub-worker (“checksumhelper worker”) in each > database (currently all done sequentially).*
This is at least the fourth version of the pattern launcher plus worker background workers. I wonder whether we can do something to make this easier and less repetitive. Not in this patch, of course. -- Peter Eisentraut http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services