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Rename debug_invalidate_system_caches_always to debug_discard_caches.

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The name introduced by commit 4656e3d66 was agreed to be unreasonably
long.  To match this change, rename initdb's recently-added
--clobber-cache option to --discard-caches.

Discussion: https://postgr.es/m/1374320.1625430433@sss.pgh.pa.us
This commit is contained in:
Tom Lane
2021-07-13 15:01:01 -04:00
parent e0271d5f1e
commit d68a003912
19 changed files with 94 additions and 96 deletions
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26
src/include/pg_config_manual.h
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@@ -322,36 +322,36 @@
/* #define RANDOMIZE_ALLOCATED_MEMORY */
/*
* For cache invalidation debugging, define CLOBBER_CACHE_ENABLED to enable
* use of the debug_invalidate_system_caches_always GUC to aggressively flush
* syscache/relcache entries whenever it's possible to deliver invalidations.
* See AcceptInvalidationMessages() in src/backend/utils/cache/inval.c for
* For cache-invalidation debugging, define DISCARD_CACHES_ENABLED to enable
* use of the debug_discard_caches GUC to aggressively flush syscache/relcache
* entries whenever it's possible to deliver invalidations. See
* AcceptInvalidationMessages() in src/backend/utils/cache/inval.c for
* details.
*
* USE_ASSERT_CHECKING builds default to enabling this. It's possible to use
* CLOBBER_CACHE_ENABLED without a cassert build and the implied
* CLOBBER_FREED_MEMORY and MEMORY_CONTEXT_CHECKING options but it's unlikely
* DISCARD_CACHES_ENABLED without a cassert build and the implied
* CLOBBER_FREED_MEMORY and MEMORY_CONTEXT_CHECKING options, but it's unlikely
* to be as effective at identifying problems.
*/
/* #define CLOBBER_CACHE_ENABLED */
/* #define DISCARD_CACHES_ENABLED */
#if defined(USE_ASSERT_CHECKING) && !defined(CLOBBER_CACHE_ENABLED)
#define CLOBBER_CACHE_ENABLED
#if defined(USE_ASSERT_CHECKING) && !defined(DISCARD_CACHES_ENABLED)
#define DISCARD_CACHES_ENABLED
#endif
/*
* Backwards compatibility for the older compile-time-only cache clobber
* Backwards compatibility for the older compile-time-only clobber-cache
* macros.
*/
#if !defined(CLOBBER_CACHE_ENABLED) && (defined(CLOBBER_CACHE_ALWAYS) || defined(CLOBBER_CACHE_RECURSIVELY))
#define CLOBBER_CACHE_ENABLED
#if !defined(DISCARD_CACHES_ENABLED) && (defined(CLOBBER_CACHE_ALWAYS) || defined(CLOBBER_CACHE_RECURSIVELY))
#define DISCARD_CACHES_ENABLED
#endif
/*
* Recover memory used for relcache entries when invalidated. See
* RelationBuildDescr() in src/backend/utils/cache/relcache.c.
*
* This is active automatically for clobber cache builds when clobbering is
* This is active automatically for clobber-cache builds when clobbering is
* active, but can be overridden here by explicitly defining
* RECOVER_RELATION_BUILD_MEMORY. Define to 1 to always free relation cache
* memory even when clobber is off, or to 0 to never free relation cache