https://github.com/postgrespro/memstat

https://github.com/postgrespro/memstat

Last synced: 6 days ago
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• Host: GitHub
• URL: https://github.com/postgrespro/memstat
• Owner: postgrespro
• Created: 2016-07-20T16:42:42.000Z (almost 9 years ago)
• Default Branch: master
• Last Pushed: 2019-02-08T13:44:56.000Z (about 6 years ago)
• Last Synced: 2025-04-24T10:48:41.896Z (7 days ago)
• Language: C
• Size: 4.88 KB
• Stars: 9
• Watchers: 5
• Forks: 5
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
Module adds statistic report about memory contexts in local and all backends.

Functions:

setof (name text, level integer, nblocks bigint, freechunks bigint,

	   totalspace bigint, freespace bigint)

	local_memory_stats()

	

prints memory context's statistic for current backend

setof (pid integer, name text, level integer, nblocks bigint, freechunks bigint,

	   totalspace bigint, freespace bigint)

           instance_memory_stats()

           

prints memory context's statistic for all alive backend, works if library

was preloaded via shared_preload_libraries.

view memory_stats

prints per backend summary memory statistics 	

To use instance_memory_stats() it's needed to add memstat library to

shared_preload_libraries. And it should be last in that list!

GUC variable:

memstat.period = 10 # seconds

Module collects memory statistics at a begining of each query and

it could be expensive on highloaded instances, so, this variable

set minimal time between statistic obtaining.

Copyright (c) 2016, Teodor Sigaev