Petr, * Petr Jelinek (petr.jeli...@2ndquadrant.com) wrote: > On 21/01/17 11:39, Magnus Hagander wrote: > > Is it time to enable checksums by default, and give initdb a switch to > > turn it off instead? > > I'd like to see benchmark first, both in terms of CPU and in terms of > produced WAL (=network traffic) given that it turns on logging of hint bits.
Benchmarking was done previously, but I don't think it's really all that relevant, we should be checksum'ing by default because we care about the data and it's hard to get checksums enabled on a running system. If this is going to be a serious argument made against making this change (and, frankly, I don't believe that it should be) then what we should do is simply provide a way for users to disable checksums. It would be one-way and require a restart, of course, but it wouldn't be hard to do. Thanks! Stephen
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