On 14 September 2012 11:45, Daniel Farina <dan...@heroku.com> wrote: > Did you tell LKML? It seems like a kind of change that could be found > using git bisect of Linux, albiet laboriously.
Hi, Daniel I sent it to linux-ker...@vger.kernel.org on Fri, 14 Sep 2012 10:47:44 +0300. On 14 September 2012 17:56, Marcos Ortiz <mlor...@uci.cu> wrote: > Only one las t question: Did you tune the postgresql.conf for every system? or > Did you use the default configuration ? Hi, Marcos I have the issue with default and tuned configuration on all AMD systems: Tuned config for 32Gb RAM: #------------------------------------------------------------------------------ # Connection Settings - #------------------------------------------------------------------------------ listen_addresses = '*' port = 5432 max_connections = 50 #------------------------------------------------------------------------------ # OPTIMIZATIONS #------------------------------------------------------------------------------ shared_buffers = 7680MB effective_cache_size = 22GB work_mem = 576MB maintenance_work_mem = 2GB wal_buffers = 16MB fsync = off synchronous_commit = off #------------------------------------------------------------------------------ # PLANNER #------------------------------------------------------------------------------ default_statistics_target = 100 constraint_exclusion = off #------------------------------------------------------------------------------ # CHECKPOINTS #------------------------------------------------------------------------------ checkpoint_timeout = 5min checkpoint_segments = 16 checkpoint_completion_target = 0.9 #------------------------------------------------------------------------------ # AUTOVACUUM PARAMETERS #------------------------------------------------------------------------------ autovacuum = on autovacuum_naptime = 5min autovacuum_max_workers = 1 autovacuum_vacuum_scale_factor = 0.0001 autovacuum_analyze_scale_factor = 0.0001 autovacuum_vacuum_threshold = 100 autovacuum_analyze_threshold = 100 autovacuum_vacuum_cost_delay = 1ms #------------------------------------------------------------------------------ # ERROR REPORTING AND LOGGING #------------------------------------------------------------------------------ logging_collector = on log_directory = 'pg_log' log_filename = 'postgresql-%a.log' log_truncate_on_rotation = on log_rotation_age = 1d log_rotation_size = 0 log_line_prefix = '%t %d %u '