I'm also seeing a weird thing. If I do 'show stats_start_collector;' inside psql, it says 'off'. I've also restarted my server many times after making all the changes. As per 8.2 doc, http://www.postgresql.org/docs/8.2/interactive/runtime-config-statistics.htm l, stats_start_collector is on by default. From: Gnanakumar [mailto:gnanam@xxxxxxxxxx] Sent: Wednesday, March 31, 2010 12:11 PM To: pgsql-admin@xxxxxxxxxxxxxx Subject: Statistics Collector not collecting server activities Hi, Even though I've enabled statistics collector in our server, it is not collecting statistics, and because of this autovacuum is also not running as expected. PostgreSQL version 8.2 Parameters enabled related to this are: # - Query/Index Statistics Collector - #stats_command_string = on #update_process_title = on #stats_start_collector = on #stats_block_level = off #stats_row_level = off stats_block_level = on stats_row_level = on #stats_reset_on_server_start = off # - Statistics Monitoring - #log_parser_stats = off #log_planner_stats = off #log_executor_stats = off #log_statement_stats = off I'm always getting zero value for all the tables. select pg_stat_get_tuples_inserted((select oid from pg_class where relname = 'mytable')); select pg_stat_get_tuples_updated((select oid from pg_class where relname = 'mytable')); select pg_stat_get_tuples_deleted((select oid from pg_class where relname = 'mytable'));
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