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pgstat: remove stats_temp_directory.

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With stats now being stored in shared memory, the GUC isn't needed
anymore. However, the pg_stat_tmp directory and PG_STAT_TMP_DIR define are
kept, as pg_stat_statements (and some out-of-core extensions) store data in
it.

Docs will be updated in a subsequent commit, together with the other pending
docs updates due to shared memory stats.

Author: Andres Freund <andres@anarazel.de>
Author: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Reviewed-By: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Discussion: https://postgr.es/m/20220330233550.eiwsbearu6xhuqwe@alap3.anarazel.de
Discussion: https://postgr.es/m/20220303021600.hs34ghqcw6zcokdh@alap3.anarazel.de
This commit is contained in:
Andres Freund
2022-04-06 21:29:46 -07:00
parent 5891c7a8ed
commit 6f0cf87872
8 changed files with 5 additions and 103 deletions
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7
contrib/pg_stat_statements/pg_stat_statements.c
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@ -78,12 +78,7 @@ PG_MODULE_MAGIC;
#define PGSS_DUMP_FILE PGSTAT_STAT_PERMANENT_DIRECTORY "/pg_stat_statements.stat"
/*
* Location of external query text file. We don't keep it in the core
* system's stats_temp_directory. The core system can safely use that GUC
* setting, because the statistics collector temp file paths are set only once
* as part of changing the GUC, but pg_stat_statements has no way of avoiding
* race conditions. Besides, we only expect modest, infrequent I/O for query
* strings, so placing the file on a faster filesystem is not compelling.
* Location of external query text file.
*/
#define PGSS_TEXT_FILE PG_STAT_TMP_DIR "/pgss_query_texts.stat"