2009/10/28 Brooks Lyrette <brooks.lyrette@xxxxxxxxx>: > Hello All, > > I'm new to postgres and it seems my server is unable to fork new > connections. > > Here is the log: > > LOG: could not fork new process for connection: Not enough space > LOG: could not fork new process for connection: Not enough space > TopMemoryContext: 84784 total in 8 blocks; 5584 free (10 chunks); 79200 used > Prepared Queries: 8192 total in 1 blocks; 1800 free (0 chunks); 6392 used > TopTransactionContext: 8192 total in 1 blocks; 7856 free (0 chunks); 336 > used > Record information cache: 8192 total in 1 blocks; 1800 free (0 chunks); > 6392 used > MessageContext: 8192 total in 1 blocks; 7128 free (0 chunks); 1064 used > smgr relation table: 8192 total in 1 blocks; 3840 free (0 chunks); 4352 > used > TransactionAbortContext: 32768 total in 1 blocks; 32752 free (0 chunks); 16 > used > Portal hash: 8192 total in 1 blocks; 3912 free (0 chunks); 4280 used > PortalMemory: 8192 total in 1 blocks; 8040 free (0 chunks); 152 used > PortalHeapMemory: 1024 total in 1 blocks; 976 free (0 chunks); 48 used > Relcache by OID: 8192 total in 1 blocks; 3376 free (0 chunks); 4816 used > CacheMemoryContext: 405328 total in 19 blocks; 70888 free (1 chunks); > 334440 used > unnamed prepared statement: 24576 total in 2 blocks; 7912 free (1 > chunks); 16664 used > CachedPlan: 1024 total in 1 blocks; 904 free (0 chunks); 120 used > CachedPlanSource: 1024 total in 1 blocks; 840 free (0 chunks); 184 used > pg_ts_dict_oid_index: 1024 total in 1 blocks; 344 free (0 chunks); 680 > used > pg_aggregate_fnoid_index: 1024 total in 1 blocks; 344 free (0 chunks); > 680 used > pg_language_name_index: 1024 total in 1 blocks; 344 free (0 chunks); 680 > used > pg_statistic_relid_att_index: 1024 total in 1 blocks; 280 free (0 > chunks); 744 used > pg_ts_dict_dictname_index: 1024 total in 1 blocks; 280 free (0 chunks); > 744 used > pg_namespace_nspname_index: 1024 total in 1 blocks; 304 free (0 chunks); > 720 used > pg_opfamily_oid_index: 1024 total in 1 blocks; 344 free (0 chunks); 680 > used > pg_opclass_oid_index: 1024 total in 1 blocks; 344 free (0 chunks); 680 > used > pg_ts_parser_prsname_index: 1024 total in 1 blocks; 280 free (0 chunks); > 744 used > pg_amop_fam_strat_index: 1024 total in 1 blocks; 128 free (0 chunks); 896 > used > pg_opclass_am_name_nsp_index: 1024 total in 1 blocks; 192 free (0 > chunks); 832 used > pg_trigger_tgrelid_tgname_index: 1024 total in 1 blocks; 240 free (0 > chunks); 784 used > pg_cast_source_target_index: 1024 total in 1 blocks; 280 free (0 chunks); > 744 used > pg_auth_members_role_member_index: 1024 total in 1 blocks; 280 free (0 > chunks); 744 used > pg_attribute_relid_attnum_index: 1024 total in 1 blocks; 280 free (0 > chunks); 744 used > pg_ts_config_cfgname_index: 1024 total in 1 blocks; 280 free (0 chunks); > 744 used > pg_authid_oid_index: 1024 total in 1 blocks; 304 free (0 chunks); 720 > used > pg_ts_config_oid_index: 1024 total in 1 blocks; 344 free (0 chunks); 680 > used > pg_conversion_default_index: 1024 total in 1 blocks; 128 free (0 chunks); > 896 used > pg_language_oid_index: 1024 total in 1 blocks; 344 free (0 chunks); 680 > used > pg_enum_oid_index: 1024 total in 1 blocks; 344 free (0 chunks); 680 used > pg_proc_proname_args_nsp_index: 1024 total in 1 blocks; 192 free (0 > chunks); 832 used > pg_ts_parser_oid_index: 1024 total in 1 blocks; 344 free (0 chunks); 680 > used > pg_database_oid_index: 1024 total in 1 blocks; 304 free (0 chunks); 720 > used > pg_conversion_name_nsp_index: 1024 total in 1 blocks; 280 free (0 > chunks); 744 used > pg_class_relname_nsp_index: 1024 total in 1 blocks; 280 free (0 chunks); > 744 used > pg_attribute_relid_attnam_index: 1024 total in 1 blocks; 280 free (0 > chunks); 744 used > pg_class_oid_index: 1024 total in 1 blocks; 344 free (0 chunks); 680 used > pg_amproc_fam_proc_index: 1024 total in 1 blocks; 128 free (0 chunks); > 896 used > pg_operator_oprname_l_r_n_index: 1024 total in 1 blocks; 128 free (0 > chunks); 896 used > pg_index_indexrelid_index: 1024 total in 1 blocks; 344 free (0 chunks); > 680 used > pg_type_oid_index: 1024 total in 1 blocks; 304 free (0 chunks); 720 used > pg_rewrite_rel_rulename_index: 1024 total in 1 blocks; 280 free (0 > chunks); 744 used > pg_authid_rolname_index: 1024 total in 1 blocks; 304 free (0 chunks); 720 > used > pg_auth_members_member_role_index: 1024 total in 1 blocks; 280 free (0 > chunks); 744 used > pg_enum_typid_label_index: 1024 total in 1 blocks; 280 free (0 chunks); > 744 used > pg_constraint_oid_index: 1024 total in 1 blocks; 344 free (0 chunks); 680 > used > pg_conversion_oid_index: 1024 total in 1 blocks; 344 free (0 chunks); 680 > used > pg_ts_template_tmplname_index: 1024 total in 1 blocks; 280 free (0 > chunks); 744 used > pg_ts_config_map_index: 1024 total in 1 blocks; 192 free (0 chunks); 832 > used > pg_namespace_oid_index: 1024 total in 1 blocks; 304 free (0 chunks); 720 > used > pg_type_typname_nsp_index: 1024 total in 1 blocks; 280 free (0 chunks); > 744 used > pg_operator_oid_index: 1024 total in 1 blocks; 344 free (0 chunks); 680 > used > pg_amop_opr_fam_index: 1024 total in 1 blocks; 280 free (0 chunks); 744 > used > pg_proc_oid_index: 1024 total in 1 blocks; 344 free (0 chunks); 680 used > pg_opfamily_am_name_nsp_index: 1024 total in 1 blocks; 192 free (0 > chunks); 832 used > pg_ts_template_oid_index: 1024 total in 1 blocks; 344 free (0 chunks); > 680 used > MdSmgr: 0 total in 0 blocks; 0 free (0 chunks); 0 used > LOCALLOCK hash: 8192 total in 1 blocks; 3912 free (0 chunks); 4280 used > Timezones: 48616 total in 2 blocks; 5968 free (0 chunks); 42648 used > ErrorContext: 8192 total in 1 blocks; 8176 free (3 chunks); 16 used > ERROR: out of memory > > and the memory area from the config file: > > #------------------------------------------------------------------------------ > # RESOURCE USAGE (except WAL) > #------------------------------------------------------------------------------ > > # - Memory - > > shared_buffers = 128MB # min 128kB or max_connections*16kB > # (change requires restart) > temp_buffers = 16MB # min 800kB > #max_prepared_transactions = 5 # can be 0 or more > # (change requires restart) > # Note: Increasing max_prepared_transactions costs ~600 bytes of shared > memory > # per transaction slot, plus lock space (see max_locks_per_transaction). > #work_mem = 1MB # min 64kB > work_mem = 16MB > maintenance_work_mem = 300MB # min 1MB > #max_stack_depth = 2MB # min 100kB > > # - Free Space Map - > > max_fsm_pages = 400000 # min max_fsm_relations*16, 6 bytes > each > # (change requires restart) > #max_fsm_relations = 1000 # min 100, ~70 bytes each > # (change requires restart) > > # - Kernel Resource Usage - > > #max_files_per_process = 1000 # min 25 > # (change requires restart) > #shared_preload_libraries = '' # (change requires restart) > > # - Cost-Based Vacuum Delay - > > #vacuum_cost_delay = 0 # 0-1000 milliseconds > #vacuum_cost_page_hit = 1 # 0-10000 credits > #vacuum_cost_page_miss = 10 # 0-10000 credits > #vacuum_cost_page_dirty = 20 # 0-10000 credits > #vacuum_cost_limit = 200 # 1-10000 credits > > # - Background Writer - > > #bgwriter_delay = 200ms # 10-10000ms between rounds > #bgwriter_lru_maxpages = 100 # 0-1000 max buffers written/round > #bgwriter_lru_multiplier = 2.0 # 0-10.0 multipler on buffers > scanned/round > > > Is there anything I can do to ensure I'm getting the most out of the 1GB of > RAM on my server? > What is the maximum number of connections as configured in your copy of postgresql.conf? And also are you running any other run-away processes that are taking up all available memory? Thom -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
