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Commit be8030b7 authored by Kirill Smelkov's avatar Kirill Smelkov
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t/stats/NOTES.rst
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......@@ -185,3 +185,130 @@ After upgrade to MariaDB 10.1.17::
| 1 | SIMPLE | obj | range | PRIMARY,partition | partition | 18 | NULL | 24 | Using where; Using index |
+------+-------------+-------+-------+-------------------+-----------+---------+------+------+--------------------------+
1 row in set (0.00 sec)
----------------------------------------
( Analyzing backup slowness )
Fast case (XXX problem on neo0 ?)
AAA 268557222739722248 268557222739722247 1001 8
0.000 ((1L, 'SIMPLE', None, None, None, None, None, None, None, None, None, None, 'no matching row in const table'),)
Bytes_received : 289 +273
Bytes_sent : 11155 +11144
Com_select : 1 +1
Com_show_status : 2 +1
Handler_commit : 1 +1
Queries : 259571 +2
Questions : 3 +2
Rows_sent : 1 +1
Rows_tmp_read : 780 +780
Table_locks_immediate : 1 +1
Tokudb_basement_deserialization_fixed_key : 2190354 +20
Tokudb_basements_fetched_prefetch : 760731 +20
Tokudb_basements_fetched_prefetch_bytes : 11024086528 +280064
Tokudb_basements_fetched_prefetch_seconds : 1.96279 +4e-05
Tokudb_leaf_decompression_to_memory_seconds : 218.702792 +0.001814
Tokudb_leaf_deserialization_to_memory_seconds : 36.250267 +0.000219000000001
Tokudb_txn_begin : 259410 +2
Tokudb_txn_commits : 259382 +1
(0.000)
Fast case (neo3):
AAA 268557254261782968 268557254363747334 1001 2
0.001 ((1L, 'SIMPLE', 'trans', 'range', 'PRIMARY', 'PRIMARY', '10', None, 1L, 0.0, 100.0, 100.0, 'Using where; Using index'),)
Bytes_received : 289 +273
Bytes_sent : 11232 +11221
Com_select : 1 +1
Com_show_status : 2 +1
Handler_commit : 1 +1
Handler_read_key : 1 +1
Last_query_cost : 1.532333 +1.532333
Queries : 699860 +2
Questions : 3 +2
Rows_read : 1 +1
Rows_sent : 1 +1
Rows_tmp_read : 780 +780
Select_range : 1 +1
Table_locks_immediate : 1 +1
Tokudb_basement_deserialization_fixed_key : 4243753 +1
Tokudb_basements_fetched_target_query : 3215002 +1
Tokudb_basements_fetched_target_query_bytes : 44778189312 +17408
Tokudb_basements_fetched_target_query_seconds : 34.811946 +3.99999999701e-06
Tokudb_cachetable_size_current : 1081618155 +122560
Tokudb_cachetable_size_leaf : 1063377598 +122560
Tokudb_leaf_decompression_to_memory_seconds : 373.862982 +0.000122999999974
Tokudb_leaf_deserialization_to_memory_seconds : 63.778401 +2.50000000008e-05
Tokudb_txn_begin : 698705 +2
Tokudb_txn_commits : 698654 +1
(0.000)
Slow case (neo0):
AAA 268557222739722248 268557226879226040 1001 0
1.591 ((1L, 'SIMPLE', 'trans', 'range', 'PRIMARY', 'PRIMARY', '10', None, 1L, 1.0, 100.0, 100.0, 'Using where; Using index'),)
Bytes_received : 289 +273
Bytes_sent : 11194 +11183
Com_select : 1 +1
Com_show_status : 2 +1
Handler_commit : 1 +1
Handler_read_key : 1 +1
Handler_read_next : 1 +1
Innodb_background_log_sync : 368 +2
Innodb_master_thread_idle_loops : 367 +2
Last_query_cost : 2.742333 +2.742333
Qcache_not_cached : 16 +16
Queries : 262341 +21
Questions : 3 +2
Rows_read : 2 +2
Rows_sent : 2 +2
Rows_tmp_read : 780 +780
Select_range : 1 +1
Slow_queries : 1 +1
Table_locks_immediate : 24 +24 XXX
Threads_running : 1 +-1
Tokudb_basement_deserialization_fixed_key : 2229717 +14386
Tokudb_basements_fetched_target_query : 1215707 +14386
Tokudb_basements_fetched_target_query_bytes : 16668472320 +152982528
Tokudb_basements_fetched_target_query_seconds : 12.56421 +0.02178
Tokudb_cachetable_cleaner_executions : 592 +2
Tokudb_cachetable_evictions : 9600 +51
Tokudb_cachetable_pool_cachetable_total_items_processed : 19415 +8
Tokudb_cachetable_size_cachepressure : 8077172 +-83113
Tokudb_cachetable_size_current : 1144918868 +37576872 XXX
Tokudb_cachetable_size_leaf : 1131549588 +37662332
Tokudb_cachetable_size_nonleaf : 13368032 +-82340
Tokudb_cachetable_size_rollback : 1248 +-3120
Tokudb_cursor_skip_deleted_leaf_entry : 796652814 +6456408
Tokudb_filesystem_fsync_num : 992 +1 XXX
Tokudb_filesystem_fsync_time : 9154018 +7358 XXX
Tokudb_leaf_decompression_to_memory_seconds : 221.668309 +1.089154 XXX <-- !!!
Tokudb_leaf_deserialization_to_memory_seconds : 36.807413 +0.189991 XXX <-- !!!
Tokudb_leaf_node_full_evictions : 9223 +49
Tokudb_leaf_node_full_evictions_bytes : 319606176 +157852
Tokudb_leaf_node_partial_evictions : 2212174 +12893
Tokudb_leaf_node_partial_evictions_bytes : 174814689660 +1069000238
Tokudb_locktree_memory_size : 0 +-402
Tokudb_locktree_sto_eligible_num : 0 +-5
Tokudb_logger_next_lsn : 2301973637 +1
Tokudb_logger_writes : 485 +1
Tokudb_logger_writes_bytes : 404674 +37
Tokudb_logger_writes_seconds : 0.00618 +1.3e-05
Tokudb_logger_writes_uncompressed_bytes : 404674 +37
Tokudb_nonleaf_node_full_evictions : 377 +2
Tokudb_nonleaf_node_full_evictions_bytes : 56834699 +66212
Tokudb_nonleaf_node_partial_evictions : 2389 +42
Tokudb_nonleaf_node_partial_evictions_bytes : 1542323 +16128
Tokudb_promotion_leaf_roots_injected_into : 1250 +1
Tokudb_search_tries_gt_height : 316 +3
Tokudb_search_tries_gt_heightplus3 : 315 +3
Tokudb_total_search_retries : 3315714 +31446 XXX <-- !!!
Tokudb_txn_begin : 262163 +18 XXX
Tokudb_txn_commits : 262138 +20
Uptime : 369 +2
Uptime_since_flush_status : 2 +2
(0.431)
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