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Do a direct probe during postmaster startup to determine the maximum

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number of openable files and the number already opened.  This eliminates
depending on sysconf(_SC_OPEN_MAX), and allows much saner behavior on
platforms where open-file slots are used up by semaphores.
This commit is contained in:
Tom Lane
2004-02-23 20:45:59 +00:00
parent b4c8dcb294
commit f83356c7f5
5 changed files with 165 additions and 109 deletions
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4
src/backend/utils/misc/guc.c
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@ -10,7 +10,7 @@
* Written by Peter Eisentraut <peter_e@gmx.net>.
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.187 2004/02/17 03:54:57 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.188 2004/02/23 20:45:59 tgl Exp $
*
*--------------------------------------------------------------------
*/
@ -1102,7 +1102,7 @@ static struct config_int ConfigureNamesInt[] =
},
{
{"max_files_per_process", PGC_BACKEND, RESOURCES_KERNEL,
{"max_files_per_process", PGC_POSTMASTER, RESOURCES_KERNEL,
gettext_noop("Sets the maximum number of simultaneously open files for each server process."),
NULL
},