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The new column shows how many backends have a buffer pinned. That can be useful during development or to diagnose production issues e.g. caused by vacuum waiting for cleanup locks. To handle upgrades transparently - the extension might be used in views - deal with callers expecting the old number of columns. Reviewed by Fujii Masao and Rajeev rastogi. |
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Makefile | ||
pg_buffercache_pages.c | ||
pg_buffercache--1.0--1.1.sql | ||
pg_buffercache--1.1.sql | ||
pg_buffercache--unpackaged--1.0.sql | ||
pg_buffercache.control |