Re: Improving connection scalability: GetSnapshotData()
David Steele <david@pgmasters.net>
On 3/1/20 3:36 AM, Andres Freund wrote: > > I think these are pretty nice results. Indeed they are. Is the target version PG13 or PG14? It seems like a pretty big patch to go in the last commitfest for PG13. Regards, -- -David david@pgmasters.net
Commits
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Try to unbreak 021_row_visibility.pl on mingw.
- 1df2b50dbebb 14.0 landed
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Fix and test snapshot behavior on standby.
- 7b28913bcab8 14.0 landed
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Fix race condition in snapshot caching when 2PC is used.
- 07f32fcd23ac 14.0 cited
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snapshot scalability: cache snapshots using a xact completion counter.
- 623a9ba79bbd 14.0 landed
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Fix use of wrong index in ComputeXidHorizons().
- f6661d3df228 14.0 landed
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Make vacuum a bit more verbose to debug BF failure.
- 49967da65aec 14.0 landed
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snapshot scalability: Introduce dense array of in-progress xids.
- 941697c3c1ae 14.0 landed
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snapshot scalability: Move PGXACT->vacuumFlags to ProcGlobal->vacuumFlags.
- 5788e258bb26 14.0 landed
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snapshot scalability: Move subxact info to ProcGlobal, remove PGXACT.
- 73487a60fc10 14.0 landed
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snapshot scalability: Move PGXACT->xmin back to PGPROC.
- 1f51c17c68d0 14.0 landed
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snapshot scalability: Don't compute global horizons while building snapshots.
- dc7420c2c927 14.0 landed
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BRIN: Handle concurrent desummarization properly
- 1f42d35a1d61 14.0 cited
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Track latest completed xid as a FullTransactionId.
- 3bd7f9969a24 14.0 landed
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Rename VariableCacheData.nextFullXid to nextXid.
- fea10a64340e 14.0 landed
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snapshot scalability: Move delayChkpt from PGXACT to PGPROC.
- 75848bc74411 13.0 landed
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Report progress of CREATE INDEX operations
- ab0dfc961b6a 12.0 cited