Hi Anastasia, On 2/28/18 11:03 AM, Anastasia Lubennikova wrote: > I want to propose a bunch of patches which allow to reduce WAL traffic > generated by CREATE INDEX for GiST, GIN and SP-GiST. Similarly to b-tree > and RUM, we can now log index pages of other access methods only once > in the end of indexbuild process. Implementation is based on generic_xlog. > > Not only it decreases the amount of WAL generated, but also completely > eliminates WAL overhead in case of error during index build.
This seems to be a worthwhile patch, but it was submitted to the 2018-03 CF at the last moment with no prior discussion or review as far as I can tell. It appears to be non-trivial and therefore not a good fit for the last CF for PG11. I have moved it to the 2018-09 CF. Regards, -- -David da...@pgmasters.net