Heikki Linnakangas 3cda10f41b Use atomic ops to hand out pages to scan in parallel scan. ...

With a lot of CPUs, the spinlock that protects the current scan location
in a parallel scan can become a bottleneck. Use an atomic fetch-and-add
instruction instead.

David Rowley

Discussion: https://www.postgresql.org/message-id/CAKJS1f9tgsPhqBcoPjv9_KUPZvTLCZ4jy%3DB%3DbhqgaKn7cYzm-w@mail.gmail.com

2017-08-16 16:18:41 +03:00

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amapi.h

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amvalidate.h

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attnum.h

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brin_internal.h

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brin_page.h

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brin_pageops.h

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brin_revmap.h

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brin_tuple.h

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brin_xlog.h

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brin.h

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bufmask.h

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clog.h

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commit_ts.h

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genam.h

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generic_xlog.h

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gin_private.h

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gin.h

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ginblock.h

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ginxlog.h

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gist_private.h

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gist.h

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gistscan.h

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gistxlog.h

Split index xlog headers from other private index headers.

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hash_xlog.h

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hash.h

hash: Increase the number of possible overflow bitmaps by 8x.

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heapam_xlog.h

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heapam.h

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hio.h

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htup_details.h

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htup.h

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itup.h

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multixact.h

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nbtree.h

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nbtxlog.h

Remove dedicated B-tree root-split record types.

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parallel.h

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printsimple.h

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printtup.h

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reloptions.h

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relscan.h

Use atomic ops to hand out pages to scan in parallel scan.

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rewriteheap.h

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rmgr.h

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rmgrlist.h

hash: Support WAL consistency checking.

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sdir.h

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skey.h

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slru.h

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spgist_private.h

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spgist.h

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spgxlog.h

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stratnum.h

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subtrans.h

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sysattr.h

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timeline.h

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transam.h

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tsmapi.h

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tupconvert.h

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tupdesc.h

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tupmacs.h

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tuptoaster.h

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twophase_rmgr.h

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twophase.h

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valid.h

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visibilitymap.h

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xact.h

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xlog_internal.h

Fix comment.

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xlog.h

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xlogdefs.h

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xloginsert.h

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xlogreader.h

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xlogrecord.h

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xlogutils.h

Post-PG 10 beta1 pgindent run

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