[
https://issues.apache.org/jira/browse/CONNECTORS-678?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13639734#comment-13639734
]
Karl Wright commented on CONNECTORS-678:
----------------------------------------
Parameters (for the first plan):
{code}"allow_system_table_mods";"off"
"application_name";"pgAdmin III - Query Tool"
"archive_command";"/local/opt/pgsql-9.1/bin/pgclarchive_wal.sh -P %p -F %f -S
dbpg-search"
"archive_mode";"on"
"archive_timeout";"0"
"array_nulls";"on"
"authentication_timeout";"1min"
"autovacuum";"on"
"autovacuum_analyze_scale_factor";"0.1"
"autovacuum_analyze_threshold";"50"
"autovacuum_freeze_max_age";"200000000"
"autovacuum_max_workers";"3"
"autovacuum_naptime";"1min"
"autovacuum_vacuum_cost_delay";"20ms"
"autovacuum_vacuum_cost_limit";"-1"
"autovacuum_vacuum_scale_factor";"0.2"
"autovacuum_vacuum_threshold";"50"
"backslash_quote";"safe_encoding"
"bgwriter_delay";"200ms"
"bgwriter_lru_maxpages";"100"
"bgwriter_lru_multiplier";"2"
"block_size";"8192"
"bonjour";"off"
"bonjour_name";""
"bytea_output";"escape"
"check_function_bodies";"on"
"checkpoint_completion_target";"0.5"
"checkpoint_segments";"128"
"checkpoint_timeout";"5min"
"checkpoint_warning";"30s"
"client_encoding";"UNICODE"
"client_min_messages";"notice"
"commit_delay";"0"
"commit_siblings";"5"
"constraint_exclusion";"partition"
"cpu_index_tuple_cost";"0.005"
"cpu_operator_cost";"0.0025"
"cpu_tuple_cost";"0.01"
"cursor_tuple_fraction";"0.1"
"custom_variable_classes";""
"DateStyle";"ISO, MDY"
"db_user_namespace";"off"
"deadlock_timeout";"1s"
"debug_assertions";"off"
"debug_pretty_print";"on"
"debug_print_parse";"off"
"debug_print_plan";"off"
"debug_print_rewritten";"off"
"default_statistics_target";"100"
"default_tablespace";""
"default_text_search_config";"pg_catalog.english"
"default_transaction_deferrable";"off"
"default_transaction_isolation";"read committed"
"default_transaction_read_only";"off"
"default_with_oids";"off"
"effective_cache_size";"16093MB"
"effective_io_concurrency";"1"
"enable_bitmapscan";"on"
"enable_hashagg";"on"
"enable_hashjoin";"on"
"enable_indexscan";"on"
"enable_material";"on"
"enable_mergejoin";"on"
"enable_nestloop";"on"
"enable_seqscan";"on"
"enable_sort";"on"
"enable_tidscan";"on"
"escape_string_warning";"on"
"exit_on_error";"off"
"extra_float_digits";"0"
"from_collapse_limit";"8"
"fsync";"on"
"full_page_writes";"on"
"geqo";"on"
"geqo_effort";"5"
"geqo_generations";"0"
"geqo_pool_size";"0"
"geqo_seed";"0"
"geqo_selection_bias";"2"
"geqo_threshold";"12"
"gin_fuzzy_search_limit";"0"
"hot_standby";"off"
"hot_standby_feedback";"off"
"ignore_system_indexes";"off"
"integer_datetimes";"on"
"IntervalStyle";"postgres"
"join_collapse_limit";"8"
"krb_caseins_users";"off"
"krb_srvname";"postgres"
"lc_collate";"C"
"lc_ctype";"C"
"lc_messages";"C"
"lc_monetary";"C"
"lc_numeric";"C"
"lc_time";"C"
"listen_addresses";"dbpg-search.uio.no"
"lo_compat_privileges";"off"
"local_preload_libraries";""
"log_autovacuum_min_duration";"-1"
"log_checkpoints";"off"
"log_connections";"off"
"log_destination";"stderr"
"log_disconnections";"off"
"log_duration";"off"
"log_error_verbosity";"default"
"log_executor_stats";"off"
"log_file_mode";"0600"
"log_hostname";"off"
"log_line_prefix";"[%m] [dbpg-search] [%d:%u] [%r] [%p] [%x] "
"log_lock_waits";"off"
"log_min_duration_statement";"-1"
"log_min_error_statement";"info"
"log_min_messages";"notice"
"log_parser_stats";"off"
"log_planner_stats";"off"
"log_rotation_age";"0"
"log_rotation_size";"0"
"log_statement";"none"
"log_statement_stats";"off"
"log_temp_files";"-1"
"log_timezone";"Europe/Oslo"
"log_truncate_on_rotation";"on"
"logging_collector";"on"
"maintenance_work_mem";"128MB"
"max_connections";"600"
"max_files_per_process";"1000"
"max_function_args";"100"
"max_identifier_length";"63"
"max_index_keys";"32"
"max_locks_per_transaction";"64"
"max_pred_locks_per_transaction";"64"
"max_prepared_transactions";"0"
"max_stack_depth";"4MB"
"max_standby_archive_delay";"30s"
"max_standby_streaming_delay";"30s"
"max_wal_senders";"0"
"password_encryption";"on"
"port";"5432"
"post_auth_delay";"0"
"pre_auth_delay";"0"
"quote_all_identifiers";"off"
"random_page_cost";"2"
"replication_timeout";"1min"
"restart_after_crash";"on"
"search_path";""$user",public"
"segment_size";"1GB"
"seq_page_cost";"1"
"server_encoding";"UTF8"
"server_version";"9.1.9"
"server_version_num";"90109"
"session_replication_role";"origin"
"shared_buffers";"384MB"
"silent_mode";"off"
"sql_inheritance";"on"
"ssl";"on"
"ssl_renegotiation_limit";"512MB"
"standard_conforming_strings";"off"
"statement_timeout";"0"
"superuser_reserved_connections";"3"
"synchronize_seqscans";"on"
"synchronous_commit";"on"
"synchronous_standby_names";""
"syslog_facility";"local0"
"syslog_ident";"postgres"
"tcp_keepalives_count";"9"
"tcp_keepalives_idle";"7200"
"tcp_keepalives_interval";"75"
"temp_buffers";"8MB"
"temp_tablespaces";""
"TimeZone";"Europe/Oslo"
"timezone_abbreviations";"Default"
"trace_notify";"off"
"trace_recovery_messages";"log"
"trace_sort";"off"
"track_activities";"on"
"track_activity_query_size";"1024"
"track_counts";"on"
"track_functions";"none"
"transaction_deferrable";"off"
"transaction_isolation";"read committed"
"transaction_read_only";"off"
"transform_null_equals";"off"
"unix_socket_group";""
"unix_socket_permissions";"0700"
"update_process_title";"on"
"vacuum_cost_delay";"0"
"vacuum_cost_limit";"200"
"vacuum_cost_page_dirty";"20"
"vacuum_cost_page_hit";"1"
"vacuum_cost_page_miss";"10"
"vacuum_defer_cleanup_age";"0"
"vacuum_freeze_min_age";"50000000"
"vacuum_freeze_table_age";"150000000"
"wal_block_size";"8192"
"wal_buffers";"12MB"
"wal_keep_segments";"0"
"wal_level";"archive"
"wal_receiver_status_interval";"10s"
"wal_segment_size";"16MB"
"wal_sender_delay";"1s"
"wal_sync_method";"fdatasync"
"wal_writer_delay";"200ms"
"work_mem";"16MB"
"xmlbinary";"base64"
"xmloption";"content"
"zero_damaged_pages";"off"
{code}
> Postgresql generating terrible plans for stuffer queries
> --------------------------------------------------------
>
> Key: CONNECTORS-678
> URL: https://issues.apache.org/jira/browse/CONNECTORS-678
> Project: ManifoldCF
> Issue Type: Bug
> Components: Framework core
> Affects Versions: ManifoldCF 1.1.1
> Reporter: Karl Wright
> Assignee: Karl Wright
> Fix For: ManifoldCF 1.2
>
>
> Query plans like this seem to be taking place:
> {code}
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan: Limit
> (cost=9597.49..9597.49 rows=1 width=155)
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan: -> Sort
> (cost=9597.49..9597.49 rows=1 width=155)
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan: Sort Key:
> t0.docpriority
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan: -> Nested
> Loop Anti Join (cost=17.68..9597.48 rows=1 width=155)
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan: Join
> Filter: (t2.jobid <> t0.jobid)
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan: ->
> Nested Loop Semi Join (cost=17.68..9588.87 rows=1 width=155)
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan:
> Join Filter: (t0.jobid = t1.id)
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan:
> -> Nested Loop Anti Join (cost=17.68..9586.81 rows=1 width=155)
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan:
> Join Filter: (t0.id = t3.owner)
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan:
> -> Bitmap Heap Scan on jobqueue t0 (cost=4.53..6.54 rows=1 width=155)
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan:
> Recheck Cond: (status = ANY ('{P,G}'::bpchar[]))
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan:
> Filter: ((checktime <= 1366628406182::bigint) AND (checkaction =
> 'R'::bpchar))
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan:
> -> Bitmap Index Scan on i1362584563122 (cost=0.00..4.53 rows=1
> width=0)
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan:
> Index Cond: (status = ANY ('{P,G}'::bpchar[]))
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan:
> -> Hash Join (cost=13.15..7635.56 rows=231554 width=8)
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan:
> Hash Cond: ((t3.eventname)::text = (t4.name)::text)
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan:
> -> Seq Scan on prereqevents t3 (cost=0.00..4438.54 rows=231554
> width=37)
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan:
> -> Hash (cost=11.40..11.40 rows=140 width=516)
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan:
> -> Seq Scan on events t4 (cost=0.00..11.40 rows=140
> width=516)
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan:
> -> Seq Scan on jobs t1 (cost=0.00..2.03 rows=2 width=8)
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan:
> Filter: ((status = ANY ('{A,a}'::bpchar[])) AND (priority = 5::bigint))
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan: ->
> Index Scan using i1362584563120 on jobqueue t2 (cost=0.00..4.30 rows=1
> width=49)
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan:
> Index Cond: ((dochash)::text = (t0.dochash)::text)
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) - Plan:
> Filter: (status = ANY ('{A,F,a,f,D,d}'::bpchar[]))
> WARN 2013-04-22 13:01:20,414 (Stuffer thread) -
> {code}
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