could not fork new process for connection: Cannot allocate memory

From: "Pavel Veretennikov" <vermut(at)kid(dot)lv>
To: pgsql-admin(at)postgresql(dot)org
Subject: could not fork new process for connection: Cannot allocate memory
Date: 2004-07-20 13:41:27
Message-ID: opsbfuzdnnuo8gh7@developer3
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I ran into this error running 2 user connection executing consecutive
selects in a loop.
What could be a problem? About 3G of shared memory is allocated to PG,
850000 shared_buffers.

TopMemoryContext: 32768 total in 3 blocks; 20024 free (22 chunks); 12744
used
TopTransactionContext: 8192 total in 1 blocks; 8136 free (0 chunks); 56
used
DeferredTriggerXact: 0 total in 0 blocks; 0 free (0 chunks); 0 used
MessageContext: 253952 total in 5 blocks; 87568 free (3 chunks); 166384
used
PortalMemory: 8192 total in 1 blocks; 8040 free (0 chunks); 152 used
PortalHeapMemory: 1024 total in 1 blocks; 936 free (0 chunks); 88 used
ExecutorState: 24576 total in 2 blocks; 40 free (1 chunks); 24536 used
ExprContext: 0 total in 0 blocks; 0 free (0 chunks); 0 used
ExprContext: 0 total in 0 blocks; 0 free (0 chunks); 0 used
ExprContext: 0 total in 0 blocks; 0 free (0 chunks); 0 used
ExprContext: 0 total in 0 blocks; 0 free (0 chunks); 0 used
ExprContext: 0 total in 0 blocks; 0 free (0 chunks); 0 used
ExprContext: 0 total in 0 blocks; 0 free (0 chunks); 0 used
ExprContext: 0 total in 0 blocks; 0 free (0 chunks); 0 used
CacheMemoryContext: 1040384 total in 7 blocks; 496440 free (1 chunks);
543944 used
gs_finance_requests_pkey: 1024 total in 1 blocks; 640 free (0 chunks); 384
used
gs_dic_currency_pkey: 1024 total in 1 blocks; 640 free (0 chunks); 384 used
gs_players_ipaccesse_pkey: 1024 total in 1 blocks; 640 free (0 chunks);
384 used
gs_players_statuses_pkey: 1024 total in 1 blocks; 640 free (0 chunks); 384
used
gs_dic_cities_pkey: 1024 total in 1 blocks; 640 free (0 chunks); 384 used
gs_players_login_alert_pkey: 1024 total in 1 blocks; 320 free (0 chunks);
704 used
gs_players_grps_members_pkey: 1024 total in 1 blocks; 320 free (0 chunks);
704 used
gs_players_accounts_pkey: 1024 total in 1 blocks; 640 free (0 chunks); 384
used
gs_dic_banks_pkey: 1024 total in 1 blocks; 640 free (0 chunks); 384 used
gs_players_grps_pkey: 1024 total in 1 blocks; 640 free (0 chunks); 384 used
gs_dic_countries_pkey: 1024 total in 1 blocks; 640 free (0 chunks); 384
used
gs_players_pkey: 1024 total in 1 blocks; 640 free (0 chunks); 384 used
pg_constraint_conrelid_index: 1024 total in 1 blocks; 640 free (0 chunks);
384 used
gs_rooms_childrooms_pkey: 1024 total in 1 blocks; 640 free (0 chunks); 384
used
gs_rooms_pkey: 1024 total in 1 blocks; 640 free (0 chunks); 384 used
pg_index_indrelid_index: 1024 total in 1 blocks; 640 free (0 chunks); 384
used
pg_attrdef_adrelid_adnum_index: 1024 total in 1 blocks; 320 free (0
chunks); 704 used
pg_amop_opc_strategy_index: 1024 total in 1 blocks; 320 free (0 chunks);
704 used
pg_shadow_usename_index: 1024 total in 1 blocks; 640 free (0 chunks); 384
used
pg_amop_opr_opc_index: 1024 total in 1 blocks; 320 free (0 chunks); 704
used
pg_conversion_oid_index: 1024 total in 1 blocks; 640 free (0 chunks); 384
used
pg_language_name_index: 1024 total in 1 blocks; 640 free (0 chunks); 384
used
pg_statistic_relid_att_index: 1024 total in 1 blocks; 320 free (0 chunks);
704 used
pg_attribute_relid_attnam_index: 1024 total in 1 blocks; 320 free (0
chunks); 704 used
pg_shadow_usesysid_index: 1024 total in 1 blocks; 640 free (0 chunks); 384
used
pg_cast_source_target_index: 1024 total in 1 blocks; 320 free (0 chunks);
704 used
pg_conversion_name_nsp_index: 1024 total in 1 blocks; 320 free (0 chunks);
704 used
pg_trigger_tgrelid_tgname_index: 1024 total in 1 blocks; 320 free (0
chunks); 704 used
pg_namespace_nspname_index: 1024 total in 1 blocks; 640 free (0 chunks);
384 used
pg_conversion_default_index: 2048 total in 1 blocks; 704 free (0 chunks);
1344 used
pg_class_relname_nsp_index: 1024 total in 1 blocks; 320 free (0 chunks);
704 used
pg_aggregate_fnoid_index: 1024 total in 1 blocks; 640 free (0 chunks); 384
used
pg_inherits_relid_seqno_index: 1024 total in 1 blocks; 320 free (0
chunks); 704 used
pg_language_oid_index: 1024 total in 1 blocks; 640 free (0 chunks); 384
used
pg_type_typname_nsp_index: 1024 total in 1 blocks; 320 free (0 chunks);
704 used
pg_group_sysid_index: 1024 total in 1 blocks; 640 free (0 chunks); 384 used
pg_namespace_oid_index: 1024 total in 1 blocks; 640 free (0 chunks); 384
used
pg_proc_proname_args_nsp_index: 2048 total in 1 blocks; 704 free (0
chunks); 1344 used
pg_opclass_am_name_nsp_index: 2048 total in 1 blocks; 768 free (0 chunks);
1280 used
pg_group_name_index: 1024 total in 1 blocks; 640 free (0 chunks); 384 used
pg_proc_oid_index: 1024 total in 1 blocks; 640 free (0 chunks); 384 used
pg_operator_oid_index: 1024 total in 1 blocks; 640 free (0 chunks); 384
used
pg_amproc_opc_procnum_index: 1024 total in 1 blocks; 320 free (0 chunks);
704 used
pg_index_indexrelid_index: 1024 total in 1 blocks; 640 free (0 chunks);
384 used
pg_operator_oprname_l_r_n_index: 2048 total in 1 blocks; 704 free (0
chunks); 1344 used
pg_opclass_oid_index: 1024 total in 1 blocks; 640 free (0 chunks); 384 used
pg_rewrite_rel_rulename_index: 1024 total in 1 blocks; 320 free (0
chunks); 704 used
pg_type_oid_index: 1024 total in 1 blocks; 640 free (0 chunks); 384 used
pg_attribute_relid_attnum_index: 1024 total in 1 blocks; 320 free (0
chunks); 704 used
pg_class_oid_index: 1024 total in 1 blocks; 640 free (0 chunks); 384 used
MdSmgr: 8192 total in 1 blocks; 6120 free (0 chunks); 2072 used
DynaHash: 8192 total in 1 blocks; 7064 free (0 chunks); 1128 used
DynaHashTable: 8192 total in 1 blocks; 5080 free (0 chunks); 3112 used
DynaHashTable: 8192 total in 1 blocks; 2008 free (0 chunks); 6184 used
DynaHashTable: 8192 total in 1 blocks; 1984 free (0 chunks); 6208 used
DynaHashTable: 8192 total in 1 blocks; 3520 free (0 chunks); 4672 used
DynaHashTable: 24576 total in 2 blocks; 13240 free (4 chunks); 11336 used
DynaHashTable: 0 total in 0 blocks; 0 free (0 chunks); 0 used
DynaHashTable: 0 total in 0 blocks; 0 free (0 chunks); 0 used
DynaHashTable: 0 total in 0 blocks; 0 free (0 chunks); 0 used
DynaHashTable: 0 total in 0 blocks; 0 free (0 chunks); 0 used
DynaHashTable: 0 total in 0 blocks; 0 free (0 chunks); 0 used
ErrorContext: 8192 total in 1 blocks; 8176 free (3 chunks); 16 used
ERROR: out of memory
DETAIL: Failed on request of size 104.
LOG: could not fork new process for connection: Cannot allocate memory

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