Re: sloooow query
От | Marie G. Tuite |
---|---|
Тема | Re: sloooow query |
Дата | |
Msg-id | IGELKLINGDMODABPOOFEEEBCCJAA.marie.tuite@edisonaffiliates.com обсуждение исходный текст |
Ответ на | Re: sloooow query (Justin Clift <justin@postgresql.org>) |
Список | pgsql-performance |
Here is a show all: Thanks, project-# ; NOTICE: enable_seqscan is on NOTICE: enable_indexscan is on NOTICE: enable_tidscan is on NOTICE: enable_sort is on NOTICE: enable_nestloop is on NOTICE: enable_mergejoin is on NOTICE: enable_hashjoin is on NOTICE: ksqo is off NOTICE: geqo is on NOTICE: tcpip_socket is on NOTICE: ssl is off NOTICE: fsync is on NOTICE: silent_mode is off NOTICE: log_connections is off NOTICE: log_timestamp is off NOTICE: log_pid is off NOTICE: debug_print_query is off NOTICE: debug_print_parse is off NOTICE: debug_print_rewritten is off NOTICE: debug_print_plan is off NOTICE: debug_pretty_print is off NOTICE: show_parser_stats is off NOTICE: show_planner_stats is off NOTICE: show_executor_stats is off NOTICE: show_query_stats is off NOTICE: stats_start_collector is on NOTICE: stats_reset_on_server_start is on NOTICE: stats_command_string is off NOTICE: stats_row_level is off NOTICE: stats_block_level is off NOTICE: trace_notify is off NOTICE: hostname_lookup is off NOTICE: show_source_port is off NOTICE: sql_inheritance is on NOTICE: australian_timezones is off NOTICE: fixbtree is on NOTICE: password_encryption is off NOTICE: transform_null_equals is off NOTICE: geqo_threshold is 11 NOTICE: geqo_pool_size is 0 NOTICE: geqo_effort is 1 NOTICE: geqo_generations is 0 NOTICE: geqo_random_seed is -1 NOTICE: deadlock_timeout is 1000 NOTICE: syslog is 0 NOTICE: max_connections is 64 NOTICE: shared_buffers is 128 NOTICE: port is 5432 NOTICE: unix_socket_permissions is 511 NOTICE: sort_mem is 1024 NOTICE: vacuum_mem is 8192 NOTICE: max_files_per_process is 1000 NOTICE: debug_level is 0 NOTICE: max_expr_depth is 10000 NOTICE: max_fsm_relations is 100 NOTICE: max_fsm_pages is 10000 NOTICE: max_locks_per_transaction is 64 NOTICE: authentication_timeout is 60 NOTICE: pre_auth_delay is 0 NOTICE: checkpoint_segments is 3 NOTICE: checkpoint_timeout is 300 NOTICE: wal_buffers is 8 NOTICE: wal_files is 0 NOTICE: wal_debug is 0 NOTICE: commit_delay is 0 NOTICE: commit_siblings is 5 NOTICE: effective_cache_size is 1000 NOTICE: random_page_cost is 4 NOTICE: cpu_tuple_cost is 0.01 NOTICE: cpu_index_tuple_cost is 0.001 NOTICE: cpu_operator_cost is 0.0025 NOTICE: geqo_selection_bias is 2 NOTICE: default_transaction_isolation is read committed NOTICE: dynamic_library_path is $libdir NOTICE: krb_server_keyfile is FILE:/etc/pgsql/krb5.keytab NOTICE: syslog_facility is LOCAL0 NOTICE: syslog_ident is postgres NOTICE: unix_socket_group is unset NOTICE: unix_socket_directory is unset NOTICE: virtual_host is unset NOTICE: wal_sync_method is fdatasync NOTICE: DateStyle is ISO with US (NonEuropean) conventions NOTICE: Time zone is unset NOTICE: TRANSACTION ISOLATION LEVEL is READ COMMITTED NOTICE: Current client encoding is 'SQL_ASCII' NOTICE: Current server encoding is 'SQL_ASCII' NOTICE: Seed for random number generator is unavailable SHOW VARIABLE project=# > -----Original Message----- > From: pgsql-performance-owner@postgresql.org > [mailto:pgsql-performance-owner@postgresql.org]On Behalf Of Justin Clift > Sent: Monday, October 07, 2002 2:30 PM > To: josh@agliodbs.com > Cc: marie.tuite@edisonaffiliates.com; pgsql-performance@postgresql.org > Subject: Re: [pgsql-performance] sloooow query > > > Josh Berkus wrote: > > > > Marie, > > > > > I am experiencing slow db performance. I have vacuumed, > analyzed, reindexed > > > using the force option and performance remains the same - > dog-slow :( If I > > > drop and recreate the database, performance is normal, so > this suggests a > > > problem with the indexes? I also took a look at the > postgresql.conf and all > > > appears fine. There are many instances of the same database > running on > > > different servers and not all servers are experiencing the problem. > > > > Please post the following: > > 1) A copy of the relevant portions of your database schema. > > 2) The query that is running slowly. > > 3) The results of running EXPLAIN on that query. > > 4) Your PostgreSQL version and operating system > > 5) Any other relevant information about your databases, such as > the quantity > > of inserts and deletes on the relevant tables. > > 6) And the sort_mem, shared_buffers, vacuum_mem, wal_buffers, and > wal_files settings from your postgresql.conf file, if possible. > > :-) > > Regards and best wishes, > > Justin Clift > > > > -- > > -Josh Berkus > > Aglio Database Solutions > > San Francisco > > > > ---------------------------(end of broadcast)--------------------------- > > TIP 5: Have you checked our extensive FAQ? > > > > http://www.postgresql.org/users-lounge/docs/faq.html > > -- > "My grandfather once told me that there are two kinds of people: those > who work and those who take the credit. He told me to try to be in the > first group; there was less competition there." > - Indira Gandhi > > ---------------------------(end of broadcast)--------------------------- > TIP 1: subscribe and unsubscribe commands go to majordomo@postgresql.org >
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