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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2006-06-19 01:51:22 +0000 |
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| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2006-06-19 01:51:22 +0000 |
| commit | b13c9686d08411a284afeb881b49d7955761d8cb (patch) | |
| tree | ec956d8cc1a3176b73b064d711ce5ccda547e23b /src/backend/tcop/postgres.c | |
| parent | 6075feed40804a963f9a7c041e7d157a86cc758d (diff) | |
| download | postgresql-b13c9686d08411a284afeb881b49d7955761d8cb.tar.gz postgresql-b13c9686d08411a284afeb881b49d7955761d8cb.zip | |
Take the statistics collector out of the loop for monitoring backends'
current commands; instead, store current-status information in shared
memory. This substantially reduces the overhead of stats_command_string
and also ensures that pg_stat_activity is fully up to date at all times.
Per my recent proposal.
Diffstat (limited to 'src/backend/tcop/postgres.c')
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