necesito de su ayuda resulta que me esta a apareciendo este error al momento de retornar una query ( ERROR: no unpinned buffers available) antes ese error no aparecia.
esta es mi configuracion que tengo en el server.
S.O Ubuntu 32bits de 4GB, 2GB dedicados a la BD
Código:
data_directory = '/var/lib/postgresql/8.4/main' # use data in another directory hba_file = '/etc/postgresql/8.4/main/pg_hba.conf' # host-based authentication file ident_file = '/etc/postgresql/8.4/main/pg_ident.conf' # ident configuration file external_pid_file = '/var/run/postgresql/8.4-main.pid' # write an extra PID file max_connections = 140 # (change requires restart) unix_socket_directory = '/var/run/postgresql' # (change requires restart) #unix_socket_group = '' # (change requires restart) #unix_socket_permissions = 0777 # begin with 0 to use octal notation #bonjour_name = '' # defaults to the computer name #authentication_timeout = 1min # 1s-600s ssl = true # (change requires restart) #ssl_ciphers = 'ALL:!ADH:!LOW:!EXP:!MD5:@STRENGTH' # allowed SSL ciphers #ssl_renegotiation_limit = 512MB # amount of data between renegotiations password_encryption = on #db_user_namespace = off # Kerberos and GSSAPI #krb_server_keyfile = '' #krb_srvname = 'postgres' # (Kerberos only) #krb_caseins_users = off #tcp_keepalives_idle = 0 # TCP_KEEPIDLE, in seconds; #tcp_keepalives_interval = 0 # TCP_KEEPINTVL, in seconds; #tcp_keepalives_count = 0 # TCP_KEEPCNT; shared_buffers = 100MB # min 128kB #temp_buffers = 8MB # min 800kB #max_prepared_transactions = 0 # zero disables the feature work_mem = 14MB # min 64kB maintenance_work_mem = 128MB # min 1MB #max_stack_depth = 2MB # min 100kB #max_files_per_process = 1000 # min 25 #shared_preload_libraries = '' # (change requires restart) #vacuum_cost_delay = 0ms # 0-100 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 #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 #effective_io_concurrency = 1 # 1-1000. 0 disables prefetching #fsync = on # turns forced synchronization on or off #synchronous_commit = on # immediate fsync at commit #wal_sync_method = fsync # the default is the first option #full_page_writes = on # recover from partial page writes #wal_buffers = 64kB # min 32kB #wal_writer_delay = 200ms # 1-10000 milliseconds #commit_delay = 0 # range 0-100000, in microseconds #commit_siblings = 5 # range 1-1000 checkpoint_segments = 32 # in logfile segments, min 1, 16MB each #checkpoint_timeout = 5min # range 30s-1h #checkpoint_completion_target = 0.5 # checkpoint target duration, 0.0 - 1.0 #checkpoint_warning = 30s # 0 disables #archive_mode = off # allows archiving to be done #archive_command = '' # command to use to archive a logfile segment #archive_timeout = 0 # force a logfile segment switch after this #enable_bitmapscan = on #enable_hashagg = on #enable_hashjoin = on #enable_indexscan = on #enable_mergejoin = on #enable_nestloop = on #enable_seqscan = on #enable_sort = on #enable_tidscan = on #seq_page_cost = 1.0 # measured on an arbitrary scale #random_page_cost = 4.0 # same scale as above #cpu_tuple_cost = 0.01 # same scale as above #cpu_index_tuple_cost = 0.005 # same scale as above #cpu_operator_cost = 0.0025 # same scale as above effective_cache_size = 1024MB #geqo = on #geqo_threshold = 12 #geqo_effort = 5 # range 1-10 #geqo_pool_size = 0 # selects default based on effort #geqo_generations = 0 # selects default based on effort #geqo_selection_bias = 2.0 # range 1.5-2.0 #default_statistics_target = 100 # range 1-10000 #constraint_exclusion = partition # on, off, or partition #cursor_tuple_fraction = 0.1 # range 0.0-1.0 #from_collapse_limit = 8 #join_collapse_limit = 8 # 1 disables collapsing of explicit #log_destination = 'stderr' # Valid values are combinations of # This is used when logging to stderr: #logging_collector = off # Enable capturing of stderr and csvlog #log_directory = 'pg_log' # directory where log files are written, #log_filename = 'postgresql-%Y-%m-%d_%H%M%S.log' # log file name pattern, #log_truncate_on_rotation = off # If on, an existing log file of the #log_rotation_age = 1d # Automatic rotation of logfiles will #log_rotation_size = 10MB # Automatic rotation of logfiles will #syslog_facility = 'LOCAL0' #syslog_ident = 'postgres' #silent_mode = off # Run server silently. #client_min_messages = notice # values in order of decreasing detail: #log_min_messages = warning # values in order of decreasing detail: #log_error_verbosity = default # terse, default, or verbose messages #log_min_error_statement = error # values in order of decreasing detail: #log_min_duration_statement = -1 # -1 is disabled, 0 logs all statements #debug_print_parse = off #debug_print_rewritten = off #debug_print_plan = off #debug_pretty_print = on #log_checkpoints = off #log_connections = off #log_disconnections = off #log_duration = off #log_hostname = off log_line_prefix = '%t ' # special values: #log_lock_waits = off # log lock waits >= deadlock_timeout #log_statement = 'none' # none, ddl, mod, all #log_temp_files = -1 # log temporary files equal or larger #log_timezone = unknown # actually, defaults to TZ environment #track_activities = on #track_counts = on track_functions = all # none, pl, all #track_activity_query_size = 1024 #update_process_title = on #stats_temp_directory = 'pg_stat_tmp' #log_parser_stats = off #log_planner_stats = off #log_executor_stats = off #log_statement_stats = off #autovacuum = on # Enable autovacuum subprocess? 'on' #log_autovacuum_min_duration = -1 # -1 disables, 0 logs all actions and #autovacuum_max_workers = 3 # max number of autovacuum subprocesses #autovacuum_naptime = 1min # time between autovacuum runs #autovacuum_vacuum_threshold = 50 # min number of row updates before #autovacuum_analyze_threshold = 50 # min number of row updates before #autovacuum_vacuum_scale_factor = 0.2 # fraction of table size before vacuum #autovacuum_analyze_scale_factor = 0.1 # fraction of table size before analyze #autovacuum_freeze_max_age = 200000000 # maximum XID age before forced vacuum #autovacuum_vacuum_cost_delay = 20ms # default vacuum cost delay for #autovacuum_vacuum_cost_limit = -1 # default vacuum cost limit for #search_path = '"$user",public' # schema names #default_tablespace = '' # a tablespace name, '' uses the default #temp_tablespaces = '' # a list of tablespace names, '' uses #check_function_bodies = on #default_transaction_isolation = 'read committed' #default_transaction_read_only = off #session_replication_role = 'origin' #statement_timeout = 0 # in milliseconds, 0 is disabled #vacuum_freeze_min_age = 50000000 #vacuum_freeze_table_age = 150000000 #xmlbinary = 'base64' #xmloption = 'content' datestyle = 'iso, mdy' #intervalstyle = 'postgres' #timezone = unknown # actually, defaults to TZ environment #timezone_abbreviations = 'Default' # Select the set of available time zone #extra_float_digits = 0 # min -15, max 2 #client_encoding = sql_ascii # actually, defaults to database # These settings are initialized by initdb, but they can be changed. lc_messages = 'en_US.UTF-8' # locale for system error message lc_monetary = 'en_US.UTF-8' # locale for monetary formatting lc_numeric = 'en_US.UTF-8' # locale for number formatting lc_time = 'en_US.UTF-8' # locale for time formatting #dynamic_library_path = '$libdir' #local_preload_libraries = '' #deadlock_timeout = 1s #max_locks_per_transaction = 64 # min 10 #add_missing_from = off #array_nulls = on #backslash_quote = safe_encoding # on, off, or safe_encoding #default_with_oids = off #escape_string_warning = on #regex_flavor = advanced # advanced, extended, or basic #sql_inheritance = on #standard_conforming_strings = off #synchronize_seqscans = on #custom_variable_classes = '' # list of custom variable class names
