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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.
6 lines
157 B
Plaintext
6 lines
157 B
Plaintext
# pg_buffercache extension
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comment = 'examine the shared buffer cache'
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default_version = '1.1'
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module_pathname = '$libdir/pg_buffercache'
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relocatable = true
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