Re: Online enabling of checksums

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