Re: PLEASE GOD HELP US!

> SQL: SELECT * FROM thread_listing AS t ORDER BY t.status=5
> DESC,t.lastreply desc LIMIT 25 OFFSET 0
> Num Rows: 25
> Affected Rows: 0
> Exec Time: 9.1602659225464

Is t.status a big or small int? You might need to cast it... This also
goes for the other queries below. What are the explains for these queries?

explain SELECT * FROM thread_listing AS t ORDER BY t.status=5
DESC,t.lastreply desc LIMIT 25 OFFSET 0

When was the last time you ran Vacuum, Analyze?

Sincerely,

Joshua D. Drake

>
> SQL: SELECT * FROM thread_categories WHERE parentcategoryid=0 AND
> threadcategoryid<>0 ORDER BY orderid ASC
> Num Rows: 4
> Affected Rows: 0
> Exec Time: 0.81906294822693
>
> SQL: SELECT * FROM thread_categories WHERE parentcategoryid=1 AND
> promoted=true ORDER BY orderid ASC
> Num Rows: 9
> Affected Rows: 0
> Exec Time: 0.0021350383758545
>
> SQL: SELECT * FROM thread_categories WHERE parentcategoryid=2 AND
> promoted=true ORDER BY orderid ASC
> Num Rows: 5
> Affected Rows: 0
> Exec Time: 0.0019958019256592
>
> SQL: SELECT * FROM thread_categories WHERE parentcategoryid=3 AND
> promoted=true ORDER BY orderid ASC
> Num Rows: 4
> Affected Rows: 0
> Exec Time: 0.0019819736480713
>
> SQL: SELECT * FROM thread_categories WHERE parentcategoryid=4 AND
> promoted=true ORDER BY orderid ASC
> Num Rows: 5
> Affected Rows: 0
> Exec Time: 0.0021347999572754
>
> SQL: SELECT userid,username FROM users WHERE userid IN (select *
> from buddynetwork(0,2)) ORDER BY username ASC
> Num Rows: 1
> Exec Time: 0.0011849403381348
>
>
>
> # PGSQL Version 7.4.2
> # -----------------------------
> # PostgreSQL configuration file
> # -----------------------------
>
> #---------------------------------------------------------------------------
> # CONNECTIONS AND AUTHENTICATION
>
> #---------------------------------------------------------------------------
> # - Connection Settings -
> tcpip_socket = true
> max_connections = 50
> #superuser_reserved_connections = 2
> port = 5432
> #unix_socket_directory = ''
> #unix_socket_group = ''
> #unix_socket_permissions = 0777
> #virtual_host = ''
> #rendezvous_name = ''
> # - Security & Authentication -
> #authentication_timeout = 60
> ssl = true
> password_encryption = true
> #krb_server_keyfile = ''
> #db_user_namespace = false
>
>
> #---------------------------------------------------------------------------
> # RESOURCE USAGE (except WAL)
>
> #---------------------------------------------------------------------------
> # - Memory -
> shared_buffers = 8192
> sort_mem = 8192
> vacuum_mem = 127072
>
> # - Free Space Map -
> max_fsm_pages = 50000 # min max_fsm_relations*16, 6 bytes each
> max_fsm_relations = 1000 # min 100, ~50 bytes each
> # - Kernel Resource Usage -
> max_files_per_process = 3052 # min 25
> #preload_libraries = ''
>
>
> #---------------------------------------------------------------------------
> # WRITE AHEAD LOG
>
> #---------------------------------------------------------------------------
> # - Settings -
> fsync = true # turns forced synchronization on or off
> #wal_sync_method = fsync
> wal_buffers = 8192 # min 4, 8KB each
>
> # - Checkpoints -
> #checkpoint_segments = 3 # in logfile segments, min 1, 16MB each
> #checkpoint_timeout = 300 # range 30-3600, in seconds
> #checkpoint_warning = 30 # 0 is off, in seconds
> #commit_delay = 0 # range 0-100000, in microseconds
> #commit_siblings = 5 # range 1-1000
>
>
> #---------------------------------------------------------------------------
> # QUERY TUNING
>
> #---------------------------------------------------------------------------
>
> # - Planner Method Enabling -
> #enable_hashagg = true
> #enable_hashjoin = true
> #enable_indexscan = true
> #enable_mergejoin = true
> #enable_nestloop = true
> enable_seqscan = false
> #enable_sort = true
> #enable_tidscan = true
> # - Planner Cost Constants -
> effective_cache_size = 131072 # typically 8KB each
> random_page_cost = 4 # units are one sequential page fetch cost
> cpu_tuple_cost = .01 # (same) default .01
> cpu_index_tuple_cost = .001 # (same) default .001
> cpu_operator_cost = 0.0025 # (same) default .0025
> # - Genetic Query Optimizer -
> geqo = true
> geqo_threshold = 20
> #geqo_effort = 1
> #geqo_generations = 0
> #geqo_pool_size = 0 # default based on tables in statement,
> #geqo_selection_bias = 2.0 # range 1.5-2.0
> # - Other Planner Options -
> #default_statistics_target = 10 # range 1-1000
> #from_collapse_limit = 8
> #join_collapse_limit = 8 # 1 disables collapsing of explicit JOINs
>
>
> #---------------------------------------------------------------------------
> # ERROR REPORTING AND LOGGING
>
> #---------------------------------------------------------------------------
> # - Syslog -
> #syslog = 0 # range 0-2; 0=stdout; 1=both; 2=syslog
> #syslog_facility = 'LOCAL0'
> #syslog_ident = 'postgres'
> # - When to Log -
> client_min_messages = error
> log_min_messages = error
> log_error_verbosity = default
> log_min_error_statement = panic
> log_min_duration_statement = -1
>
> #silent_mode = false # DO NOT USE without Syslog!
>
> # - What to Log -
>
> debug_print_parse = false
> debug_print_rewritten = false
> debug_print_plan = false
> debug_pretty_print = false
> log_connections = false
> log_duration = false
> log_pid = false
> log_statement = false
> log_timestamp = false
> log_hostname = false
> log_source_port = false
>
>
>
> #---------------------------------------------------------------------------
> # RUNTIME STATISTICS
>
> #---------------------------------------------------------------------------
>
> # - Statistics Monitoring -
>
> log_parser_stats = false
> log_planner_stats = false
> log_executor_stats = false
> log_statement_stats = false
>
> # - Query/Index Statistics Collector -
>
> stats_start_collector = false
> stats_command_string = false
> stats_block_level = false
> stats_row_level = false
> stats_reset_on_server_start = false
>
>
>
> #---------------------------------------------------------------------------
> # CLIENT CONNECTION DEFAULTS
>
> #---------------------------------------------------------------------------
>
> # - Statement Behavior -
>
> #search_path = '$user,public' # schema names
> #check_function_bodies = true
> #default_transaction_isolation = 'read committed'
> #default_transaction_read_only = false
> #statement_timeout = 0 # 0 is disabled, in milliseconds
>
> # - Locale and Formatting -
>
> #datestyle = 'iso, mdy'
> #timezone = unknown # actually, defaults to TZ environment
> setting
> #australian_timezones = false
> #extra_float_digits = 0 # min -15, max 2
> #client_encoding = sql_ascii # actually, defaults to database encoding
>
> # These settings are initialized by initdb -- they may be changed
> lc_messages = 'en_US.UTF-8' # locale for system error message
> strings
> lc_monetary = 'en_US.UTF-8' # locale for monetary formatting
> lc_numeric = 'en_US.UTF-8' # locale for number formatting
> lc_time = 'en_US.UTF-8' # locale for time formatting
>
> # - Other Defaults -
>
> explain_pretty_print = true
> #dynamic_library_path = '$libdir'
> #max_expr_depth = 10000 # min 10
>
>
>
> #---------------------------------------------------------------------------
> # LOCK MANAGEMENT
>
> #---------------------------------------------------------------------------
>
> #deadlock_timeout = 1000 # in milliseconds
> #max_locks_per_transaction = 64 # min 10, ~260*max_connections bytes each
>
>
>
> #---------------------------------------------------------------------------
> # VERSION/PLATFORM COMPATIBILITY
>
> #---------------------------------------------------------------------------
>
> # - Previous Postgres Versions -
>
> #add_missing_from = true
> regex_flavor = advanced # advanced, extended, or basic
> #sql_inheritance = true
>
> # - Other Platforms & Clients -
>
> #transform_null_equals = false
>
>
>
>
>
>
> PLEASE HELP ME FIND THE BOTTLE NECK!!
>
> Sometimes just ONE page load (approx. 13 queries) takes up to 30 seconds,
> and that is absolutely unacceptable in terms of online use. If I can't fix
> this I'm going to have to spend the month or two switching back to MySQL...
> and I really don't want to do that, so anything you could do to help us
> would be amazing!!
>
> Thanks in advance!!
>
> - Shane
>
>
>
>
> ---------------------------(end of broadcast)---------------------------
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>
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