ORACLE 10046 10053 EVENT
2024-04-27 01:04:27
这篇文章介绍一下通过10046 10053事件抓取语句计划的具体方法
问：10046事件和10053事件有什么区别
答：10046事件只包含语句的进行过程，解析，取数据，进行。在这个过程的等待事件，cpu消耗，每一步的消耗时间
10053时间包括对优化器的trace
10046 10053事件中的level按照收集信息内容，可以分成4个级别：
Level 1： 等同于SQL_TRACE 的功能
Level 4： 在Level 1的基础上增加收集绑定变量的信息
Level 8： 在Level 1 的基础上增加等待事件的信息
Level 12：等同于Level 4+Level 8, 即同时收集绑定变量信息和等待事件信息。
对当前session 使用10046事件
1.alter session set events '10046 trace name context forever, level 12'; --启动10046事件
2.执行相关事务
3.alter session set events ‘10046 trace name context off’; -- 关闭10046事件
对当前实例使用10046事件
1.alter session set events '10046 trace name context forever, level 12'; --启动10046事件
2.执行相关事务
3.alter session set events ‘10046 trace name context off’; -- 关闭10046事件
对当前session 使用10053事件
1.alter session set events '10053 trace name context forever, level 12'; --启动10053事件
2.执行相关事务
3.alter session set events ‘10053 trace name context off’; -- 关闭10053事件
对当前实例使用10053事件
1.alter session set events '10053 trace name context forever, level 12'; --启动10053事件
2.执行相关事务
3.alter session set events ‘10053 trace name context off’; -- 关闭10053事件
查看trace路径
set linesize 160
column "trace file name" for a120
select pr.value || '/' || i.instance_name || '_ora_' || to_char(ps.spid) ||
'.trc' as "trace file name"
from gv$session s, gv$process ps, gv$diag_info pr, v$instance i
where s.paddr = ps.addr
and s.inst_id=pr.inst_id
and s.inst_id=1
and pr.name = 'Diag Trace'
and s.sid = 120;
10046 trace和10053 trace的区别
开启10046 trace
SQL> alter session set events '10046 trace name context forever, level 12';Session altered.
进行测试语句
SQL> select object_id from xl.test;OBJECT_ID
----------204628152932541544026
关闭10046trace
SQL> alter session set events '10046 trace name context off';Session altered.
查看当前trace文件位置
SQL> set linesize 160
column "trace file name" for a120
SQL> SQL> select pr.value || '/' || i.instance_name || '_ora_' || to_char(ps.spid) ||
'.trc' as "trace file name"
from gv$session s, gv$process ps, gv$diag_info pr, v$instance i
where s.paddr = ps.addr
and s.inst_id=pr.inst_id
and s.inst_id=1
and pr.name = 'Diag Trace'
and s.sid = 1; 2 3 4 5 6 7 8trace file name
----------------------------------------------------------------------
/u01/app/oracle/diag/rdbms/orcl11g/orcl11g/trace/orcl11g_ora_7938.trc10046 trace内容
=====================
PARSING IN CURSOR #1 len=29 dep=0 uid=0 oct=3 lid=0 tim=1667319152802403 hv=2882163949 ad='89714cc0' sqlid='9af0k1ypwnp7d'
select object_id from xl.test
END OF STMT
PARSE #1:c=1000,e=686,p=0,cr=0,cu=0,mis=1,r=0,dep=0,og=1,plh=1357081020,tim=1667319152802402
EXEC #1:c=0,e=16,p=0,cr=0,cu=0,mis=0,r=0,dep=0,og=1,plh=1357081020,tim=1667319152802499
WAIT #1: nam='SQL*Net message to client' ela= 1 driver id=1650815232 #bytes=1 p3=0 obj#=-1 tim=1667319152802513
WAIT #1: nam='Disk file operations I/O' ela= 40 FileOperation=2 fileno=4 filetype=2 obj#=-1 tim=1667319152802590
FETCH #1:c=0,e=92,p=0,cr=3,cu=0,mis=0,r=1,dep=0,og=1,plh=1357081020,tim=1667319152802618
WAIT #1: nam='SQL*Net message from client' ela= 133 driver id=1650815232 #bytes=1 p3=0 obj#=-1 tim=1667319152802772
WAIT #1: nam='SQL*Net message to client' ela= 1 driver id=1650815232 #bytes=1 p3=0 obj#=-1 tim=1667319152802795
FETCH #1:c=0,e=13,p=0,cr=1,cu=0,mis=0,r=15,dep=0,og=1,plh=1357081020,tim=1667319152802803
WAIT #1: nam='SQL*Net message from client' ela= 3967 driver id=1650815232 #bytes=1 p3=0 obj#=-1 tim=1667319152806780
WAIT #1: nam='SQL*Net message to client' ela= 1 driver id=1650815232 #bytes=1 p3=0 obj#=-1 tim=1667319152806843
FETCH #1:c=0,e=23,p=0,cr=1,cu=0,mis=0,r=15,dep=0,og=1,plh=1357081020,tim=1667319152806852
WAIT #1: nam='SQL*Net message from client' ela= 3850 driver id=1650815232 #bytes=1 p3=0 obj#=-1 tim=1667319152810722
WAIT #1: nam='SQL*Net message to client' ela= 1 driver id=1650815232 #bytes=1 p3=0 obj#=-1 tim=1667319152810788
FETCH #1:c=0,e=24,p=0,cr=1,cu=0,mis=0,r=15,dep=0,og=1,plh=1357081020,tim=1667319152810798
WAIT #1: nam='SQL*Net message from client' ela= 4080 driver id=1650815232 #bytes=1 p3=0 obj#=-1 tim=1667319152814898
WAIT #1: nam='SQL*Net message to client' ela= 1 driver id=1650815232 #bytes=1 p3=0 obj#=-1 tim=1667319152814954
FETCH #1:c=0,e=25,p=0,cr=1,cu=0,mis=0,r=3,dep=0,og=1,plh=1357081020,tim=1667319152814966
STAT #1 id=1 cnt=49 pid=0 pos=1 obj=73425 op='TABLE ACCESS FULL TEST (cr=7 pr=0 pw=0 time=0 us cost=3 size=147 card=49)'*** 2022-11-02 00:12:42.618
WAIT #1: nam='SQL*Net message from client' ela= 9803971 driver id=1650815232 #bytes=1 p3=0 obj#=-1 tim=1667319162618984
CLOSE #1:c=0,e=13,dep=0,type=0,tim=1667319162619090
=====================
PARSING IN CURSOR #3 len=55 dep=0 uid=0 oct=42 lid=0 tim=1667319162619120 hv=2217940283 ad='0' sqlid='06nvwn223659v'
alter session set events '10046 trace name context off'
END OF STMT
PARSE #3:c=0,e=7,p=0,cr=0,cu=0,mis=0,r=0,dep=0,og=0,plh=0,tim=1667319162619119
EXEC #3:c=0,e=287,p=0,cr=0,cu=0,mis=0,r=0,dep=0,og=0,plh=0,tim=1667319162619639
10053 trace中的计划部分
SQL> alter session set events '10053 trace name context forever, level 12';Session altered.进行语句
SQL> select object_id from xl.test;OBJECT_ID
----------204628152932541544026
关闭10053 trace
SQL> alter session set events '10053 trace name context off';Session altered.
10053 trace内容
*******************************************
Peeked values of the binds in SQL statement
*******************************************Final query after transformations:******* UNPARSED QUERY IS *******
SELECT "TEST"."OBJECT_ID" "OBJECT_ID" FROM "XL"."TEST" "TEST"
kkoqbc: optimizing query block SEL$1 (#0):call(in-use=1008, alloc=16344), compile(in-use=54256, alloc=55296), execution(in-use=2432, alloc=4032)kkoqbc-subheap (create addr=0x2b3e6b12fb08)
****************
QUERY BLOCK TEXT
****************
select object_id from xl.test
---------------------
QUERY BLOCK SIGNATURE
---------------------
signature (optimizer): qb_name=SEL$1 nbfros=1 flg=0fro(0): flg=0 objn=73425 hint_alias="TEST"@"SEL$1"-----------------------------
SYSTEM STATISTICS INFORMATION
-----------------------------Using NOWORKLOAD StatsCPUSPEEDNW: 2657 millions instructions/sec (default is 100)IOTFRSPEED: 4096 bytes per millisecond (default is 4096)IOSEEKTIM: 10 milliseconds (default is 10)MBRC: -1 blocks (default is 8)***************************************
BASE STATISTICAL INFORMATION
***********************
Table Stats::Table: TEST Alias: TEST#Rows: 49 #Blks: 4 AvgRowLen: 75.00
Access path analysis for TEST
***************************************
SINGLE TABLE ACCESS PATH Single Table Cardinality Estimation for TEST[TEST] Table: TEST Alias: TESTCard: Original: 49.000000 Rounded: 49 Computed: 49.00 Non Adjusted: 49.00Access Path: TableScanCost: 3.00 Resp: 3.00 Degree: 0Cost_io: 3.00 Cost_cpu: 38776Resp_io: 3.00 Resp_cpu: 38776Best:: AccessPath: TableScanCost: 3.00 Degree: 1 Resp: 3.00 Card: 49.00 Bytes: 0***************************************OPTIMIZER STATISTICS AND COMPUTATIONS
***************************************
GENERAL PLANS
***************************************
Considering cardinality-based initial join order.
Permutations for Starting Table :0
Join order[1]: TEST[TEST]#0
***********************
Best so far: Table#: 0 cost: 3.0012 card: 49.0000 bytes: 147
***********************
(newjo-stop-1) k:0, spcnt:0, perm:1, maxperm:2000*********************************
Number of join permutations tried: 1
*********************************
Trying or-Expansion on query block SEL$1 (#0)
Transfer Optimizer annotations for query block SEL$1 (#0)
Final cost for query block SEL$1 (#0) - All Rows Plan:Best join order: 1Cost: 3.0012 Degree: 1 Card: 49.0000 Bytes: 147Resc: 3.0012 Resc_io: 3.0000 Resc_cpu: 38776Resp: 3.0012 Resp_io: 3.0000 Resc_cpu: 38776
kkoqbc-subheap (delete addr=0x2b3e6b12fb08, in-use=11112, alloc=14424)
kkoqbc-end::call(in-use=7104, alloc=32712), compile(in-use=54840, alloc=55296), execution(in-use=2432, alloc=4032)kkoqbc: finish optimizing query block SEL$1 (#0)
apadrv-end:call(in-use=7104, alloc=32712), compile(in-use=55752, alloc=59440), execution(in-use=2432, alloc=4032)Starting SQL statement dumpuser_id=0 user_name=SYS module=sqlplus@primary (TNS V1-V3) action=
sql_id=9af0k1ypwnp7d plan_hash_value=1357081020 problem_type=3
----- Current SQL Statement for this session (sql_id=9af0k1ypwnp7d) -----
select object_id from xl.test
sql_text_length=30
sql=select object_id from xl.test
----- Explain Plan Dump -----
----- Plan Table -----============
Plan Table
============
-------------------------------------+-----------------------------------+
| Id | Operation | Name | Rows | Bytes | Cost | Time |
-------------------------------------+-----------------------------------+
| 0 | SELECT STATEMENT | | | | 3 | |
| 1 | TABLE ACCESS FULL | TEST | 49 | 147 | 3 | 00:00:01 |
-------------------------------------+-----------------------------------+
Predicate Information:
----------------------Content of other_xml column
===========================db_version : 11.2.0.1parse_schema : SYSplan_hash : 1357081020plan_hash_2 : 2545673168Outline Data:/*+BEGIN_OUTLINE_DATAIGNORE_OPTIM_EMBEDDED_HINTSOPTIMIZER_FEATURES_ENABLE('11.2.0.1')DB_VERSION('11.2.0.1')ALL_ROWSOUTLINE_LEAF(@"SEL$1")FULL(@"SEL$1" "TEST"@"SEL$1")END_OUTLINE_DATA*/optimizer state dump
Optimizer state dump:
Compilation Environment Dump
optimizer_mode_hinted = false
optimizer_features_hinted = 0.0.0
parallel_execution_enabled = true
parallel_query_forced_dop = 0
parallel_dml_forced_dop = 0
parallel_ddl_forced_degree = 0
parallel_ddl_forced_instances = 0
_query_rewrite_fudge = 90
optimizer_features_enable = 11.2.0.1
_optimizer_search_limit = 5
cpu_count = 1
active_instance_count = 1
parallel_threads_per_cpu = 2
hash_area_size = 131072
bitmap_merge_area_size = 1048576
sort_area_size = 65536
sort_area_retained_size = 0
_sort_elimination_cost_ratio = 0
_optimizer_block_size = 8192
_sort_multiblock_read_count = 2
_hash_multiblock_io_count = 0
_db_file_optimizer_read_count = 8
_optimizer_max_permutations = 2000
pga_aggregate_target = 307200 KB
_pga_max_size = 204800 KB
_query_rewrite_maxdisjunct = 257
_smm_auto_min_io_size = 56 KB
_smm_auto_max_io_size = 248 KB
_smm_min_size = 307 KB
_smm_max_size = 61440 KB
_smm_px_max_size = 153600 KB
_cpu_to_io = 0
_optimizer_undo_cost_change = 11.2.0.1
parallel_query_mode = enabled
parallel_dml_mode = disabled
parallel_ddl_mode = enabled
optimizer_mode = all_rows
sqlstat_enabled = false
_optimizer_percent_parallel = 101
_always_anti_join = choose
_always_semi_join = choose
_optimizer_mode_force = true
_partition_view_enabled = true
_always_star_transformation = false
_query_rewrite_or_error = false
_hash_join_enabled = true
cursor_sharing = exact
_b_tree_bitmap_plans = true
star_transformation_enabled = false
_optimizer_cost_model = choose
_new_sort_cost_estimate = true
_complex_view_merging = true
_unnest_subquery = true
_eliminate_common_subexpr = true
_pred_move_around = true
_convert_set_to_join = false
_push_join_predicate = true
_push_join_union_view = true
_fast_full_scan_enabled = true
_optim_enhance_nnull_detection = true
_parallel_broadcast_enabled = true
_px_broadcast_fudge_factor = 100
_ordered_nested_loop = true
_no_or_expansion = false
optimizer_index_cost_adj = 100
optimizer_index_caching = 0
_system_index_caching = 0
_disable_datalayer_sampling = false
query_rewrite_enabled = true
query_rewrite_integrity = enforced
_query_cost_rewrite = true
_query_rewrite_2 = true
_query_rewrite_1 = true
_query_rewrite_expression = true
_query_rewrite_jgmigrate = true
_query_rewrite_fpc = true
_query_rewrite_drj = true
_full_pwise_join_enabled = true
_partial_pwise_join_enabled = true
_left_nested_loops_random = true
_improved_row_length_enabled = true
_index_join_enabled = true
_enable_type_dep_selectivity = true
_improved_outerjoin_card = true
_optimizer_adjust_for_nulls = true
_optimizer_degree = 0
_use_column_stats_for_function = true
_subquery_pruning_enabled = true
_subquery_pruning_mv_enabled = false
_or_expand_nvl_predicate = true
_like_with_bind_as_equality = false
_table_scan_cost_plus_one = true
_cost_equality_semi_join = true
_default_non_equality_sel_check = true
_new_initial_join_orders = true
_oneside_colstat_for_equijoins = true
_optim_peek_user_binds = true
_minimal_stats_aggregation = true
_force_temptables_for_gsets = false
workarea_size_policy = auto
_smm_auto_cost_enabled = true
_gs_anti_semi_join_allowed = true
_optim_new_default_join_sel = true
optimizer_dynamic_sampling = 2
_pre_rewrite_push_pred = true
_optimizer_new_join_card_computation = true
_union_rewrite_for_gs = yes_gset_mvs
_generalized_pruning_enabled = true
_optim_adjust_for_part_skews = true
_force_datefold_trunc = false
statistics_level = typical
_optimizer_system_stats_usage = true
skip_unusable_indexes = true
_remove_aggr_subquery = true
_optimizer_push_down_distinct = 0
_dml_monitoring_enabled = true
_optimizer_undo_changes = false
_predicate_elimination_enabled = true
_nested_loop_fudge = 100
_project_view_columns = true
_local_communication_costing_enabled = true
_local_communication_ratio = 50
_query_rewrite_vop_cleanup = true
_slave_mapping_enabled = true
_optimizer_cost_based_transformation = linear
_optimizer_mjc_enabled = true
_right_outer_hash_enable = true
_spr_push_pred_refspr = true
_optimizer_cache_stats = false
_optimizer_cbqt_factor = 50
_optimizer_squ_bottomup = true
_fic_area_size = 131072
_optimizer_skip_scan_enabled = true
_optimizer_cost_filter_pred = false
_optimizer_sortmerge_join_enabled = true
_optimizer_join_sel_sanity_check = true
_mmv_query_rewrite_enabled = true
_bt_mmv_query_rewrite_enabled = true
_add_stale_mv_to_dependency_list = true
_distinct_view_unnesting = false
_optimizer_dim_subq_join_sel = true
_optimizer_disable_strans_sanity_checks = 0
_optimizer_compute_index_stats = true
_push_join_union_view2 = true
_optimizer_ignore_hints = false
_optimizer_random_plan = 0
_query_rewrite_setopgrw_enable = true
_optimizer_correct_sq_selectivity = true
_disable_function_based_index = false
_optimizer_join_order_control = 3
_optimizer_cartesian_enabled = true
_optimizer_starplan_enabled = true
_extended_pruning_enabled = true
_optimizer_push_pred_cost_based = true
_optimizer_null_aware_antijoin = true
_optimizer_extend_jppd_view_types = true
_sql_model_unfold_forloops = run_time
_enable_dml_lock_escalation = false
_bloom_filter_enabled = true
_update_bji_ipdml_enabled = 0
_optimizer_extended_cursor_sharing = udo
_dm_max_shared_pool_pct = 1
_optimizer_cost_hjsmj_multimatch = true
_optimizer_transitivity_retain = true
_px_pwg_enabled = true
optimizer_secure_view_merging = true
_optimizer_join_elimination_enabled = true
flashback_table_rpi = non_fbt
_optimizer_cbqt_no_size_restriction = true
_optimizer_enhanced_filter_push = true
_optimizer_filter_pred_pullup = true
_rowsrc_trace_level = 0
_simple_view_merging = true
_optimizer_rownum_pred_based_fkr = true
_optimizer_better_inlist_costing = all
_optimizer_self_induced_cache_cost = false
_optimizer_min_cache_blocks = 10
_optimizer_or_expansion = depth
_optimizer_order_by_elimination_enabled = true
_optimizer_outer_to_anti_enabled = true
_selfjoin_mv_duplicates = true
_dimension_skip_null = true
_force_rewrite_enable = false
_optimizer_star_tran_in_with_clause = true
_optimizer_complex_pred_selectivity = true
_optimizer_connect_by_cost_based = true
_gby_hash_aggregation_enabled = true
_globalindex_pnum_filter_enabled = true
_px_minus_intersect = true
_fix_control_key = 0
_force_slave_mapping_intra_part_loads = false
_force_tmp_segment_loads = false
_query_mmvrewrite_maxpreds = 10
_query_mmvrewrite_maxintervals = 5
_query_mmvrewrite_maxinlists = 5
_query_mmvrewrite_maxdmaps = 10
_query_mmvrewrite_maxcmaps = 20
_query_mmvrewrite_maxregperm = 512
_query_mmvrewrite_maxmergedcmaps = 50
_query_mmvrewrite_maxqryinlistvals = 500
_disable_parallel_conventional_load = false
_trace_virtual_columns = false
_replace_virtual_columns = true
_virtual_column_overload_allowed = true
_kdt_buffering = true
_first_k_rows_dynamic_proration = true
_optimizer_sortmerge_join_inequality = true
_optimizer_aw_stats_enabled = true
_bloom_pruning_enabled = true
result_cache_mode = MANUAL
_px_ual_serial_input = true
_optimizer_skip_scan_guess = false
_enable_row_shipping = true
_row_shipping_threshold = 80
_row_shipping_explain = false
transaction_isolation_level = read_commited
_optimizer_distinct_elimination = true
_optimizer_multi_level_push_pred = true
_optimizer_group_by_placement = true
_optimizer_rownum_bind_default = 10
_enable_query_rewrite_on_remote_objs = true
_optimizer_extended_cursor_sharing_rel = simple
_optimizer_adaptive_cursor_sharing = true
_direct_path_insert_features = 0
_optimizer_improve_selectivity = true
optimizer_use_pending_statistics = false
_optimizer_enable_density_improvements = true
_optimizer_aw_join_push_enabled = true
_optimizer_connect_by_combine_sw = true
_enable_pmo_ctas = 0
_optimizer_native_full_outer_join = force
_bloom_predicate_enabled = true
_optimizer_enable_extended_stats = true
_is_lock_table_for_ddl_wait_lock = 0
_pivot_implementation_method = choose
optimizer_capture_sql_plan_baselines = false
optimizer_use_sql_plan_baselines = true
_optimizer_star_trans_min_cost = 0
_optimizer_star_trans_min_ratio = 0
_with_subquery = OPTIMIZER
_optimizer_fkr_index_cost_bias = 10
_optimizer_use_subheap = true
parallel_degree_policy = manual
parallel_degree = 0
parallel_min_time_threshold = 10
_parallel_time_unit = 10
_optimizer_or_expansion_subheap = true
_optimizer_free_transformation_heap = true
_optimizer_reuse_cost_annotations = true
_result_cache_auto_size_threshold = 100
_result_cache_auto_time_threshold = 1000
_optimizer_nested_rollup_for_gset = 100
_nlj_batching_enabled = 1
parallel_query_default_dop = 0
is_recur_flags = 0
optimizer_use_invisible_indexes = false
flashback_data_archive_internal_cursor = 0
_optimizer_extended_stats_usage_control = 224
_parallel_syspls_obey_force = true
cell_offload_processing = true
_rdbms_internal_fplib_enabled = false
db_file_multiblock_read_count = 128
_bloom_folding_enabled = true
_mv_generalized_oj_refresh_opt = true
cell_offload_compaction = ADAPTIVE
parallel_degree_limit = 65535
parallel_force_local = false
parallel_max_degree = 2
total_cpu_count = 1
cell_offload_plan_display = AUTO
_optimizer_coalesce_subqueries = true
_optimizer_fast_pred_transitivity = true
_optimizer_fast_access_pred_analysis = true
_optimizer_unnest_disjunctive_subq = true
_optimizer_unnest_corr_set_subq = true
_optimizer_distinct_agg_transform = true
_aggregation_optimization_settings = 0
_optimizer_connect_by_elim_dups = true
_optimizer_eliminate_filtering_join = true
_connect_by_use_union_all = true
dst_upgrade_insert_conv = true
advanced_queuing_internal_cursor = 0
_optimizer_unnest_all_subqueries = true
_bloom_predicate_pushdown_to_storage = true
_bloom_vector_elements = 0
_bloom_pushing_max = 524288
parallel_autodop = 0
parallel_ddldml = 0
_parallel_cluster_cache_policy = adaptive
_parallel_scalability = 50
iot_internal_cursor = 0
_optimizer_instance_count = 0
_optimizer_connect_by_cb_whr_only = false
_suppress_scn_chk_for_cqn = nosuppress_1466
_optimizer_join_factorization = true
_optimizer_use_cbqt_star_transformation = true
_optimizer_table_expansion = true
_and_pruning_enabled = true
_deferred_constant_folding_mode = DEFAULT
_optimizer_distinct_placement = true
partition_pruning_internal_cursor = 0
parallel_hinted = none
_sql_compatibility = 0
_optimizer_use_feedback = true
_optimizer_try_st_before_jppd = true
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SEL$1 0x6b126a38 (PARSER) [FINAL]:call(in-use=9376, alloc=32712), compile(in-use=81240, alloc=145232), execution(in-use=4600, alloc=8088)End of Optimizer State Dump
Dumping Hints
=============
====================== END SQL Statement Dump ======================ORACLE 10046 10053 EVENT相关推荐
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