Thomas Munro fc34b0d9de Introduce a maintenance_io_concurrency setting. ... Introduce a GUC and a tablespace option to control I/O prefetching, much like effective_io_concurrency, but for work that is done on behalf of many client sessions. Use the new setting in heapam.c instead of the hard-coded formula effective_io_concurrency + 10 introduced by commit 558a9165e0. Go with a default value of 10 for now, because it's a round number pretty close to the value used for that existing case. Discussion: https://postgr.es/m/CA%2BhUKGJUw08dPs_3EUcdO6M90GnjofPYrWp4YSLaBkgYwS-AqA%40mail.gmail.com		2020-03-16 17:14:26 +13:00
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src	Introduce a maintenance_io_concurrency setting.	2020-03-16 17:14:26 +13:00
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TODO	Change documentation references to PG website to use https: not http:	2017-05-20 21:50:47 -04:00