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Heikki Linnakangas e9816533e3 Update FSM on WAL replay. This is a bit limited; the FSM is only updated ... on non-full-page-image WAL records, and quite arbitrarily, only if there's less than 20% free space on the page after the insert/update (not on HOT updates, though). The 20% cutoff should avoid most of the overhead, when replaying a bulk insertion, for example, while ensuring that pages that are full are marked as full in the FSM. This is mostly to avoid the nasty worst case scenario, where you replay from a PITR archive, and the FSM information in the base backup is really out of date. If there was a lot of pages that the outdated FSM claims to have free space, but don't actually have any, the first unlucky inserter after the recovery would traverse through all those pages, just to find out that they're full. We didn't have this problem with the old FSM implementation, because we simply threw the FSM information away on a non-clean shutdown.		17 years ago
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common	Use guc.c's parse_int() instead of pg_atoi() to parse fillfactor in	18 years ago
gin	Unite ReadBufferWithFork, ReadBufferWithStrategy, and ZeroOrReadBuffer	17 years ago
gist	Unite ReadBufferWithFork, ReadBufferWithStrategy, and ZeroOrReadBuffer	17 years ago
hash	Unite ReadBufferWithFork, ReadBufferWithStrategy, and ZeroOrReadBuffer	17 years ago
heap	Update FSM on WAL replay. This is a bit limited; the FSM is only updated	17 years ago
index	Fix small query-lifespan memory leak introduced by 8.4 change in index AM API	17 years ago
nbtree	Unite ReadBufferWithFork, ReadBufferWithStrategy, and ZeroOrReadBuffer	17 years ago
transam	Unite ReadBufferWithFork, ReadBufferWithStrategy, and ZeroOrReadBuffer	17 years ago
Makefile	Refactor backend makefiles to remove lots of duplicate code	18 years ago