mirror of
https://github.com/MariaDB/server.git
synced 2025-01-27 17:33:44 +01:00
1d55cfce10
tablespace. Instead use fil_read() with syncronous setting. Fix test failures and mask tablespace number as it could change in concurrent mtr runs.
610 lines
24 KiB
Text
610 lines
24 KiB
Text
set global innodb_monitor_disable = All;
|
|
select name, status from information_schema.innodb_metrics;
|
|
name status
|
|
metadata_table_handles_opened disabled
|
|
metadata_table_handles_closed disabled
|
|
metadata_table_reference_count disabled
|
|
metadata_mem_pool_size disabled
|
|
lock_deadlocks disabled
|
|
lock_timeouts disabled
|
|
lock_rec_lock_waits disabled
|
|
lock_table_lock_waits disabled
|
|
lock_rec_lock_requests disabled
|
|
lock_rec_lock_created disabled
|
|
lock_rec_lock_removed disabled
|
|
lock_rec_locks disabled
|
|
lock_table_lock_created disabled
|
|
lock_table_lock_removed disabled
|
|
lock_table_locks disabled
|
|
lock_row_lock_current_waits disabled
|
|
lock_row_lock_time disabled
|
|
lock_row_lock_time_max disabled
|
|
lock_row_lock_waits disabled
|
|
lock_row_lock_time_avg disabled
|
|
buffer_pool_size disabled
|
|
buffer_pool_reads disabled
|
|
buffer_pool_read_requests disabled
|
|
buffer_pool_write_requests disabled
|
|
buffer_pool_wait_free disabled
|
|
buffer_pool_read_ahead disabled
|
|
buffer_pool_read_ahead_evicted disabled
|
|
buffer_pool_pages_total disabled
|
|
buffer_pool_pages_misc disabled
|
|
buffer_pool_pages_data disabled
|
|
buffer_pool_bytes_data disabled
|
|
buffer_pool_pages_dirty disabled
|
|
buffer_pool_bytes_dirty disabled
|
|
buffer_pool_pages_free disabled
|
|
buffer_pages_created disabled
|
|
buffer_pages_written disabled
|
|
buffer_index_pages_written disabled
|
|
buffer_non_index_pages_written disabled
|
|
buffer_pages_read disabled
|
|
buffer_pages0_read disabled
|
|
buffer_index_sec_rec_cluster_reads disabled
|
|
buffer_index_sec_rec_cluster_reads_avoided disabled
|
|
buffer_data_reads disabled
|
|
buffer_data_written disabled
|
|
buffer_flush_batch_scanned disabled
|
|
buffer_flush_batch_num_scan disabled
|
|
buffer_flush_batch_scanned_per_call disabled
|
|
buffer_flush_batch_rescan disabled
|
|
buffer_flush_batch_total_pages disabled
|
|
buffer_flush_batches disabled
|
|
buffer_flush_batch_pages disabled
|
|
buffer_flush_neighbor_total_pages disabled
|
|
buffer_flush_neighbor disabled
|
|
buffer_flush_neighbor_pages disabled
|
|
buffer_flush_n_to_flush_requested disabled
|
|
buffer_flush_avg_page_rate disabled
|
|
buffer_flush_lsn_avg_rate disabled
|
|
buffer_flush_pct_for_dirty disabled
|
|
buffer_flush_pct_for_lsn disabled
|
|
buffer_flush_sync_waits disabled
|
|
buffer_flush_adaptive_total_pages disabled
|
|
buffer_flush_adaptive disabled
|
|
buffer_flush_adaptive_pages disabled
|
|
buffer_flush_sync_total_pages disabled
|
|
buffer_flush_sync disabled
|
|
buffer_flush_sync_pages disabled
|
|
buffer_flush_background_total_pages disabled
|
|
buffer_flush_background disabled
|
|
buffer_flush_background_pages disabled
|
|
buffer_LRU_batch_scanned disabled
|
|
buffer_LRU_batch_num_scan disabled
|
|
buffer_LRU_batch_scanned_per_call disabled
|
|
buffer_LRU_batch_flush_total_pages disabled
|
|
buffer_LRU_batches_flush disabled
|
|
buffer_LRU_batch_flush_pages disabled
|
|
buffer_LRU_batch_evict_total_pages disabled
|
|
buffer_LRU_batches_evict disabled
|
|
buffer_LRU_batch_evict_pages disabled
|
|
buffer_LRU_single_flush_scanned disabled
|
|
buffer_LRU_single_flush_num_scan disabled
|
|
buffer_LRU_single_flush_scanned_per_call disabled
|
|
buffer_LRU_single_flush_failure_count disabled
|
|
buffer_LRU_get_free_search disabled
|
|
buffer_LRU_search_scanned disabled
|
|
buffer_LRU_search_num_scan disabled
|
|
buffer_LRU_search_scanned_per_call disabled
|
|
buffer_LRU_unzip_search_scanned disabled
|
|
buffer_LRU_unzip_search_num_scan disabled
|
|
buffer_LRU_unzip_search_scanned_per_call disabled
|
|
buffer_page_read_index_leaf disabled
|
|
buffer_page_read_index_non_leaf disabled
|
|
buffer_page_read_index_ibuf_leaf disabled
|
|
buffer_page_read_index_ibuf_non_leaf disabled
|
|
buffer_page_read_undo_log disabled
|
|
buffer_page_read_index_inode disabled
|
|
buffer_page_read_ibuf_free_list disabled
|
|
buffer_page_read_ibuf_bitmap disabled
|
|
buffer_page_read_system_page disabled
|
|
buffer_page_read_trx_system disabled
|
|
buffer_page_read_fsp_hdr disabled
|
|
buffer_page_read_xdes disabled
|
|
buffer_page_read_blob disabled
|
|
buffer_page_read_zblob disabled
|
|
buffer_page_read_zblob2 disabled
|
|
buffer_page_read_other disabled
|
|
buffer_page_written_index_leaf disabled
|
|
buffer_page_written_index_non_leaf disabled
|
|
buffer_page_written_index_ibuf_leaf disabled
|
|
buffer_page_written_index_ibuf_non_leaf disabled
|
|
buffer_page_written_undo_log disabled
|
|
buffer_page_written_index_inode disabled
|
|
buffer_page_written_ibuf_free_list disabled
|
|
buffer_page_written_ibuf_bitmap disabled
|
|
buffer_page_written_system_page disabled
|
|
buffer_page_written_trx_system disabled
|
|
buffer_page_written_fsp_hdr disabled
|
|
buffer_page_written_xdes disabled
|
|
buffer_page_written_blob disabled
|
|
buffer_page_written_zblob disabled
|
|
buffer_page_written_zblob2 disabled
|
|
buffer_page_written_other disabled
|
|
os_data_reads disabled
|
|
os_data_writes disabled
|
|
os_data_fsyncs disabled
|
|
os_pending_reads disabled
|
|
os_pending_writes disabled
|
|
os_log_bytes_written disabled
|
|
os_log_fsyncs disabled
|
|
os_log_pending_fsyncs disabled
|
|
os_log_pending_writes disabled
|
|
trx_rw_commits disabled
|
|
trx_ro_commits disabled
|
|
trx_nl_ro_commits disabled
|
|
trx_commits_insert_update disabled
|
|
trx_rollbacks disabled
|
|
trx_rollbacks_savepoint disabled
|
|
trx_rollback_active disabled
|
|
trx_active_transactions disabled
|
|
trx_rseg_history_len disabled
|
|
trx_undo_slots_used disabled
|
|
trx_undo_slots_cached disabled
|
|
trx_rseg_current_size disabled
|
|
purge_del_mark_records disabled
|
|
purge_upd_exist_or_extern_records disabled
|
|
purge_invoked disabled
|
|
purge_undo_log_pages disabled
|
|
purge_dml_delay_usec disabled
|
|
purge_stop_count disabled
|
|
purge_resume_count disabled
|
|
log_checkpoints disabled
|
|
log_lsn_last_flush disabled
|
|
log_lsn_last_checkpoint disabled
|
|
log_lsn_current disabled
|
|
log_lsn_checkpoint_age disabled
|
|
log_lsn_buf_pool_oldest disabled
|
|
log_max_modified_age_async disabled
|
|
log_max_modified_age_sync disabled
|
|
log_pending_log_writes disabled
|
|
log_pending_checkpoint_writes disabled
|
|
log_num_log_io disabled
|
|
log_waits disabled
|
|
log_write_requests disabled
|
|
log_writes disabled
|
|
compress_pages_compressed disabled
|
|
compress_pages_decompressed disabled
|
|
compression_pad_increments disabled
|
|
compression_pad_decrements disabled
|
|
compress_saved disabled
|
|
compress_trim_sect512 disabled
|
|
compress_trim_sect1024 disabled
|
|
compress_trim_sect2048 disabled
|
|
compress_trim_sect4096 disabled
|
|
compress_trim_sect8192 disabled
|
|
compress_trim_sect16384 disabled
|
|
compress_trim_sect32768 disabled
|
|
compress_pages_page_compressed disabled
|
|
compress_page_compressed_trim_op disabled
|
|
compress_page_compressed_trim_op_saved disabled
|
|
compress_pages_page_decompressed disabled
|
|
compress_pages_page_compression_error disabled
|
|
compress_pages_encrypted disabled
|
|
compress_pages_decrypted disabled
|
|
index_page_splits disabled
|
|
index_page_merge_attempts disabled
|
|
index_page_merge_successful disabled
|
|
index_page_reorg_attempts disabled
|
|
index_page_reorg_successful disabled
|
|
index_page_discards disabled
|
|
adaptive_hash_searches disabled
|
|
adaptive_hash_searches_btree disabled
|
|
adaptive_hash_pages_added disabled
|
|
adaptive_hash_pages_removed disabled
|
|
adaptive_hash_rows_added disabled
|
|
adaptive_hash_rows_removed disabled
|
|
adaptive_hash_rows_deleted_no_hash_entry disabled
|
|
adaptive_hash_rows_updated disabled
|
|
file_num_open_files disabled
|
|
ibuf_merges_insert disabled
|
|
ibuf_merges_delete_mark disabled
|
|
ibuf_merges_delete disabled
|
|
ibuf_merges_discard_insert disabled
|
|
ibuf_merges_discard_delete_mark disabled
|
|
ibuf_merges_discard_delete disabled
|
|
ibuf_merges disabled
|
|
ibuf_size disabled
|
|
innodb_master_thread_sleeps disabled
|
|
innodb_activity_count disabled
|
|
innodb_master_active_loops disabled
|
|
innodb_master_idle_loops disabled
|
|
innodb_background_drop_table_usec disabled
|
|
innodb_ibuf_merge_usec disabled
|
|
innodb_log_flush_usec disabled
|
|
innodb_mem_validate_usec disabled
|
|
innodb_master_purge_usec disabled
|
|
innodb_dict_lru_usec disabled
|
|
innodb_dict_lru_count_active disabled
|
|
innodb_dict_lru_count_idle disabled
|
|
innodb_checkpoint_usec disabled
|
|
innodb_dblwr_writes disabled
|
|
innodb_dblwr_pages_written disabled
|
|
innodb_page_size disabled
|
|
innodb_rwlock_s_spin_waits disabled
|
|
innodb_rwlock_x_spin_waits disabled
|
|
innodb_rwlock_s_spin_rounds disabled
|
|
innodb_rwlock_x_spin_rounds disabled
|
|
innodb_rwlock_s_os_waits disabled
|
|
innodb_rwlock_x_os_waits disabled
|
|
dml_reads disabled
|
|
dml_inserts disabled
|
|
dml_deletes disabled
|
|
dml_updates disabled
|
|
dml_system_reads disabled
|
|
dml_system_inserts disabled
|
|
dml_system_deletes disabled
|
|
dml_system_updates disabled
|
|
ddl_background_drop_indexes disabled
|
|
ddl_background_drop_tables disabled
|
|
ddl_online_create_index disabled
|
|
ddl_pending_alter_table disabled
|
|
icp_attempts disabled
|
|
icp_no_match disabled
|
|
icp_out_of_range disabled
|
|
icp_match disabled
|
|
set global innodb_monitor_enable = all;
|
|
select name from information_schema.innodb_metrics where status!='enabled';
|
|
name
|
|
set global innodb_monitor_enable = aaa;
|
|
ERROR 42000: Variable 'innodb_monitor_enable' can't be set to the value of 'aaa'
|
|
set global innodb_monitor_disable = All;
|
|
select name from information_schema.innodb_metrics where status!='disabled';
|
|
name
|
|
set global innodb_monitor_reset_all = all;
|
|
select name from information_schema.innodb_metrics where count!=0;
|
|
name
|
|
set global innodb_monitor_enable = "%lock%";
|
|
select name from information_schema.innodb_metrics
|
|
where status != IF(name like "%lock%", 'enabled', 'disabled');
|
|
name
|
|
set global innodb_monitor_disable = "%lock%";
|
|
select name, status from information_schema.innodb_metrics
|
|
where name like "%lock%";
|
|
name status
|
|
lock_deadlocks disabled
|
|
lock_timeouts disabled
|
|
lock_rec_lock_waits disabled
|
|
lock_table_lock_waits disabled
|
|
lock_rec_lock_requests disabled
|
|
lock_rec_lock_created disabled
|
|
lock_rec_lock_removed disabled
|
|
lock_rec_locks disabled
|
|
lock_table_lock_created disabled
|
|
lock_table_lock_removed disabled
|
|
lock_table_locks disabled
|
|
lock_row_lock_current_waits disabled
|
|
lock_row_lock_time disabled
|
|
lock_row_lock_time_max disabled
|
|
lock_row_lock_waits disabled
|
|
lock_row_lock_time_avg disabled
|
|
innodb_rwlock_s_spin_waits disabled
|
|
innodb_rwlock_x_spin_waits disabled
|
|
innodb_rwlock_s_spin_rounds disabled
|
|
innodb_rwlock_x_spin_rounds disabled
|
|
innodb_rwlock_s_os_waits disabled
|
|
innodb_rwlock_x_os_waits disabled
|
|
set global innodb_monitor_enable = "%lock*";
|
|
ERROR 42000: Variable 'innodb_monitor_enable' can't be set to the value of '%lock*'
|
|
set global innodb_monitor_enable="%%%%%%%%%%%%%%%%%%%%%%%%%%%";
|
|
select name from information_schema.innodb_metrics where status!='enabled';
|
|
name
|
|
set global innodb_monitor_disable="%%%%%";
|
|
select name from information_schema.innodb_metrics where status!='disabled';
|
|
name
|
|
set global innodb_monitor_enable="%";
|
|
select name from information_schema.innodb_metrics where status!='enabled';
|
|
name
|
|
set global innodb_monitor_disable="%_%";
|
|
select name from information_schema.innodb_metrics where status!='disabled';
|
|
name
|
|
set global innodb_monitor_enable="log%%%%";
|
|
select name from information_schema.innodb_metrics
|
|
where status != IF(name like "log%", 'enabled', 'disabled');
|
|
name
|
|
set global innodb_monitor_enable="os_%a_fs_ncs";
|
|
set global innodb_monitor_enable="os%pending%";
|
|
select name, status from information_schema.innodb_metrics
|
|
where name like "os%";
|
|
name status
|
|
os_data_reads disabled
|
|
os_data_writes disabled
|
|
os_data_fsyncs enabled
|
|
os_pending_reads enabled
|
|
os_pending_writes enabled
|
|
os_log_bytes_written disabled
|
|
os_log_fsyncs disabled
|
|
os_log_pending_fsyncs enabled
|
|
os_log_pending_writes enabled
|
|
set global innodb_monitor_enable="";
|
|
ERROR 42000: Variable 'innodb_monitor_enable' can't be set to the value of ''
|
|
set global innodb_monitor_enable="_";
|
|
ERROR 42000: Variable 'innodb_monitor_enable' can't be set to the value of '_'
|
|
set global innodb_monitor_disable = module_metadata;
|
|
set global innodb_monitor_reset_all = module_metadata;
|
|
set global innodb_monitor_enable = metadata_table_handles_opened;
|
|
create table monitor_test(col int) engine = innodb;
|
|
select * from monitor_test;
|
|
col
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name = "metadata_table_handles_opened";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
metadata_table_handles_opened 1 NULL 1 1 NULL 1 enabled
|
|
set global innodb_monitor_reset = metadata_table_handles_opened;
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name = "metadata_table_handles_opened";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
metadata_table_handles_opened 1 NULL 1 NULL NULL 0 enabled
|
|
drop table monitor_test;
|
|
create table monitor_test(col int) engine = innodb;
|
|
select * from monitor_test;
|
|
col
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name = "metadata_table_handles_opened";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
metadata_table_handles_opened 2 NULL 2 1 NULL 1 enabled
|
|
set global innodb_monitor_reset_all = metadata_table_handles_opened;
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name = "metadata_table_handles_opened";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
metadata_table_handles_opened 2 NULL 2 1 NULL 1 enabled
|
|
set global innodb_monitor_disable = metadata_table_handles_opened;
|
|
set global innodb_monitor_reset = metadata_table_handles_opened;
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name = "metadata_table_handles_opened";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
metadata_table_handles_opened 2 NULL 2 NULL NULL 0 disabled
|
|
drop table monitor_test;
|
|
create table monitor_test(col int) engine = innodb;
|
|
select * from monitor_test;
|
|
col
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name = "metadata_table_handles_opened";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
metadata_table_handles_opened 2 NULL 2 NULL NULL 0 disabled
|
|
set global innodb_monitor_reset_all = metadata_table_handles_opened;
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name = "metadata_table_handles_opened";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
metadata_table_handles_opened NULL NULL 0 NULL NULL 0 disabled
|
|
set global innodb_monitor_enable = metadata_table_handles_opened;
|
|
drop table monitor_test;
|
|
create table monitor_test(col int) engine = innodb stats_persistent=0;
|
|
select * from monitor_test;
|
|
col
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name = "metadata_table_handles_opened";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
metadata_table_handles_opened 1 NULL 1 1 NULL 1 enabled
|
|
set global innodb_monitor_enable = metadata_table_handles_closed;
|
|
create index idx on monitor_test(col);
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name = "metadata_table_handles_closed";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
metadata_table_handles_closed 1 NULL 1 1 NULL 1 enabled
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name like "metadata%";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
metadata_table_handles_opened 2 NULL 2 2 NULL 2 enabled
|
|
metadata_table_handles_closed 1 NULL 1 1 NULL 1 enabled
|
|
metadata_table_reference_count NULL NULL 0 NULL NULL 0 disabled
|
|
metadata_mem_pool_size NULL NULL 0 NULL NULL 0 disabled
|
|
set global innodb_monitor_disable = module_metadata;
|
|
set global innodb_monitor_reset = module_metadata;
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name like "metadata%";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
metadata_table_handles_opened 2 NULL 2 NULL NULL 0 disabled
|
|
metadata_table_handles_closed 1 NULL 1 NULL NULL 0 disabled
|
|
metadata_table_reference_count NULL NULL 0 NULL NULL 0 disabled
|
|
metadata_mem_pool_size NULL NULL 0 NULL NULL 0 disabled
|
|
set global innodb_monitor_reset_all = module_metadata;
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name like "metadata%";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
metadata_table_handles_opened NULL NULL 0 NULL NULL 0 disabled
|
|
metadata_table_handles_closed NULL NULL 0 NULL NULL 0 disabled
|
|
metadata_table_reference_count NULL NULL 0 NULL NULL 0 disabled
|
|
metadata_mem_pool_size NULL NULL 0 NULL NULL 0 disabled
|
|
set global innodb_monitor_enable = module_trx;
|
|
begin;
|
|
insert into monitor_test values(9);
|
|
commit;
|
|
begin;
|
|
insert into monitor_test values(9);
|
|
rollback;
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name like "trx_rollbacks" or name like "trx_active_transactions";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
trx_rollbacks 1 NULL 1 1 NULL 1 enabled
|
|
trx_active_transactions 1 0 0 1 0 0 enabled
|
|
set global innodb_monitor_disable = module_trx;
|
|
set global innodb_monitor_enable = module_dml;
|
|
insert into monitor_test values(9);
|
|
update monitor_test set col = 10 where col = 9;
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name like "dml%";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
dml_reads 4 NULL 4 4 NULL 4 enabled
|
|
dml_inserts 1 NULL 1 1 NULL 1 enabled
|
|
dml_deletes 0 NULL 0 0 NULL 0 enabled
|
|
dml_updates 2 NULL 2 2 NULL 2 enabled
|
|
dml_system_reads 0 NULL 0 0 NULL 0 enabled
|
|
dml_system_inserts 0 NULL 0 0 NULL 0 enabled
|
|
dml_system_deletes 0 NULL 0 0 NULL 0 enabled
|
|
dml_system_updates 0 NULL 0 0 NULL 0 enabled
|
|
delete from monitor_test;
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name like "dml%";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
dml_reads 6 NULL 6 6 NULL 6 enabled
|
|
dml_inserts 1 NULL 1 1 NULL 1 enabled
|
|
dml_deletes 2 NULL 2 2 NULL 2 enabled
|
|
dml_updates 2 NULL 2 2 NULL 2 enabled
|
|
dml_system_reads 0 NULL 0 0 NULL 0 enabled
|
|
dml_system_inserts 0 NULL 0 0 NULL 0 enabled
|
|
dml_system_deletes 0 NULL 0 0 NULL 0 enabled
|
|
dml_system_updates 0 NULL 0 0 NULL 0 enabled
|
|
set global innodb_monitor_reset = module_dml;
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name like "dml%";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
dml_reads 6 NULL 6 0 NULL 0 enabled
|
|
dml_inserts 1 NULL 1 0 NULL 0 enabled
|
|
dml_deletes 2 NULL 2 0 NULL 0 enabled
|
|
dml_updates 2 NULL 2 0 NULL 0 enabled
|
|
dml_system_reads 0 NULL 0 0 NULL 0 enabled
|
|
dml_system_inserts 0 NULL 0 0 NULL 0 enabled
|
|
dml_system_deletes 0 NULL 0 0 NULL 0 enabled
|
|
dml_system_updates 0 NULL 0 0 NULL 0 enabled
|
|
insert into monitor_test values(9);
|
|
insert into monitor_test values(1);
|
|
delete from monitor_test;
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name like "dml%";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
dml_reads 8 NULL 8 2 NULL 2 enabled
|
|
dml_inserts 3 NULL 3 2 NULL 2 enabled
|
|
dml_deletes 4 NULL 4 2 NULL 2 enabled
|
|
dml_updates 2 NULL 2 0 NULL 0 enabled
|
|
dml_system_reads 0 NULL 0 0 NULL 0 enabled
|
|
dml_system_inserts 0 NULL 0 0 NULL 0 enabled
|
|
dml_system_deletes 0 NULL 0 0 NULL 0 enabled
|
|
dml_system_updates 0 NULL 0 0 NULL 0 enabled
|
|
set global innodb_monitor_reset_all = module_dml;
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name like "dml%";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
dml_reads 8 NULL 8 2 NULL 2 enabled
|
|
dml_inserts 3 NULL 3 2 NULL 2 enabled
|
|
dml_deletes 4 NULL 4 2 NULL 2 enabled
|
|
dml_updates 2 NULL 2 0 NULL 0 enabled
|
|
dml_system_reads 0 NULL 0 0 NULL 0 enabled
|
|
dml_system_inserts 0 NULL 0 0 NULL 0 enabled
|
|
dml_system_deletes 0 NULL 0 0 NULL 0 enabled
|
|
dml_system_updates 0 NULL 0 0 NULL 0 enabled
|
|
set global innodb_monitor_disable = module_dml;
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name like "dml%";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
dml_reads 8 NULL 8 2 NULL 2 disabled
|
|
dml_inserts 3 NULL 3 2 NULL 2 disabled
|
|
dml_deletes 4 NULL 4 2 NULL 2 disabled
|
|
dml_updates 2 NULL 2 0 NULL 0 disabled
|
|
dml_system_reads 0 NULL 0 0 NULL 0 disabled
|
|
dml_system_inserts 0 NULL 0 0 NULL 0 disabled
|
|
dml_system_deletes 0 NULL 0 0 NULL 0 disabled
|
|
dml_system_updates 0 NULL 0 0 NULL 0 disabled
|
|
set global innodb_monitor_reset_all = module_dml;
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name like "dml%";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
dml_reads NULL NULL 0 NULL NULL 0 disabled
|
|
dml_inserts NULL NULL 0 NULL NULL 0 disabled
|
|
dml_deletes NULL NULL 0 NULL NULL 0 disabled
|
|
dml_updates NULL NULL 0 NULL NULL 0 disabled
|
|
dml_system_reads NULL NULL 0 NULL NULL 0 disabled
|
|
dml_system_inserts NULL NULL 0 NULL NULL 0 disabled
|
|
dml_system_deletes NULL NULL 0 NULL NULL 0 disabled
|
|
dml_system_updates NULL NULL 0 NULL NULL 0 disabled
|
|
set global innodb_monitor_enable = dml_inserts;
|
|
insert into monitor_test values(9);
|
|
insert into monitor_test values(1);
|
|
delete from monitor_test;
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name like "dml%";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
dml_reads NULL NULL 0 NULL NULL 0 disabled
|
|
dml_inserts 2 NULL 2 2 NULL 2 enabled
|
|
dml_deletes NULL NULL 0 NULL NULL 0 disabled
|
|
dml_updates NULL NULL 0 NULL NULL 0 disabled
|
|
dml_system_reads NULL NULL 0 NULL NULL 0 disabled
|
|
dml_system_inserts NULL NULL 0 NULL NULL 0 disabled
|
|
dml_system_deletes NULL NULL 0 NULL NULL 0 disabled
|
|
dml_system_updates NULL NULL 0 NULL NULL 0 disabled
|
|
set global innodb_monitor_disable = module_dml;
|
|
drop table monitor_test;
|
|
set global innodb_monitor_enable = file_num_open_files;
|
|
select name, max_count, min_count, count,
|
|
max_count_reset, min_count_reset, count_reset, status
|
|
from information_schema.innodb_metrics
|
|
where name like "file_num_open_files";
|
|
name max_count min_count count max_count_reset min_count_reset count_reset status
|
|
file_num_open_files # # # # # # enabled
|
|
set global innodb_monitor_disable = file_num_open_files;
|
|
set global innodb_monitor_enable = "icp%";
|
|
create table monitor_test(a char(3), b int, c char(2),
|
|
primary key (a(1), c(1)), key(b)) engine = innodb;
|
|
insert into monitor_test values("13", 2, "aa");
|
|
select a from monitor_test where b < 1 for update;
|
|
a
|
|
select name, count from information_schema.innodb_metrics
|
|
where name like "icp%";
|
|
name count
|
|
icp_attempts 1
|
|
icp_no_match 0
|
|
icp_out_of_range 1
|
|
icp_match 0
|
|
select a from monitor_test where b < 3 for update;
|
|
a
|
|
13
|
|
select name, count from information_schema.innodb_metrics
|
|
where name like "icp%";
|
|
name count
|
|
icp_attempts 2
|
|
icp_no_match 0
|
|
icp_out_of_range 1
|
|
icp_match 1
|
|
drop table monitor_test;
|
|
set global innodb_monitor_disable = all;
|
|
set global innodb_monitor_reset_all = all;
|
|
select 1 from `information_schema`.`INNODB_METRICS`
|
|
where case (1) when (1) then (AVG_COUNT_RESET) else (1) end;
|
|
1
|
|
set global innodb_monitor_enable = default;
|
|
set global innodb_monitor_disable = default;
|
|
set global innodb_monitor_reset = default;
|
|
set global innodb_monitor_reset_all = default;
|