Michael Paquier 4c9f50d116 Optimize pg_checksums --enable where checksum is already set ... This commit prevents pg_checksums to do a rewrite of a block if it has no need to, in the case where the computed checksum matches with what's already stored in the block read. This is helpful to accelerate successive runs of the tool when the previous ones got interrupted, for example. The number of blocks and files written is tracked and reported by the tool once finished. Note that the final flush of the data folder happens even if no blocks are written, as it could be possible that a previous interrupted run got stopped while doing a flush. Author: Greg Sabino Mullane Reviewed-by: Paquier Michael, Julien Rouhaud Discussion: https://postgr.es/m/CAKAnmmL+k6goxmVzQJB+0bAR0PN1sgo6GDUXJhyhUmVMze1QAw@mail.gmail.com		2021-06-30 09:58:59 +09:00
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src	Optimize pg_checksums --enable where checksum is already set	2021-06-30 09:58:59 +09:00
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TODO	Change documentation references to PG website to use https: not http:	2017-05-20 21:50:47 -04:00