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26158b852d
postgresql/src
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Andres Freund 26158b852d Use ExtendBufferedRelTo() in XLogReadBufferExtended() 
Instead of extending the relation block-by-block, use ExtendBufferedRelTo(),
introduced in 31966b151e. This is faster and simpler.

This also somewhat reduces the danger that disconnected segments pose (which
can be "discovered" once the previous segment reaches SEGSIZE), as
ExtendBufferedRelTo() won't extend past the block it has been asked. However,
the risk of the content of such a disconnected segment being invalid
remains.

Discussion: https://postgr.es/m/20221029025420.eplyow6k7tgu6he3@awork3.anarazel.de
Discussion: https://postgr.es/m/20230223010147.32oir7sb66slqnjk@awork3.anarazel.de
2023-04-06 17:56:17 -07:00
..
backend Use ExtendBufferedRelTo() in XLogReadBufferExtended() 2023-04-06 17:56:17 -07:00
bin Add --buffer-usage-limit option to vacuumdb 2023-04-07 12:47:10 +12:00
common Support long distance matching for zstd compression 2023-04-06 17:18:42 +02:00
fe_utils Revert refactoring of restore command code to shell_restore.c 2023-02-06 08:28:42 +09:00
include Add --buffer-usage-limit option to vacuumdb 2023-04-07 12:47:10 +12:00
interfaces Allow to use system CA pool for certificate verification 2023-04-05 23:22:17 +02:00
makefiles meson: Make auto the default of the ssl option 2023-03-13 07:04:11 +01:00
pl Add a way to get the current function's OID in pl/pgsql. 2023-04-04 13:33:18 -04:00
port Use nanosleep() to implement pg_usleep(). 2023-03-15 17:57:12 +13:00
template Use unnamed POSIX semaphores on Cygwin. 2023-01-06 10:33:28 +13:00
test Add --buffer-usage-limit option to vacuumdb 2023-04-07 12:47:10 +12:00
timezone Fix outdated references to guc.c 2023-03-02 13:49:39 +01:00
tools bufmgr: Introduce infrastructure for faster relation extension 2023-04-05 16:21:09 -07:00
tutorial Remove useless casts to (void *) in arguments of some system functions 2023-02-07 06:57:59 +01:00
.gitignore
DEVELOPERS
Makefile Integrate pg_bsd_indent into our build/test infrastructure. 2023-02-12 12:22:21 -05:00
Makefile.global.in pg_regress: Emit TAP compliant output 2023-03-31 13:00:02 +02:00
Makefile.shlib autoconf: Rely on ar supporting index creation 2022-10-07 11:53:39 -07:00
meson.build Integrate pg_bsd_indent into our build/test infrastructure. 2023-02-12 12:22:21 -05:00
nls-global.mk Fix for make unportability 2022-07-13 09:15:01 +02:00