b0c6c5afa7
*: cleanup default sysvar value usage ( #36487 )
...
close pingcap/tidb#36485
2022-07-26 19:51:10 +08:00
f0717dfe07
statistics, sessionctx: introduce topn assisted cardinality estimation for string matching functions ( #36210 )
...
close pingcap/tidb#36209
2022-07-20 21:55:09 +08:00
ab513bf0ca
ddl: support concurrent ddl ( #32169 )
...
* 1. init ddl tables
create tidb_ddl_job, tidb_ddl_reorg, tidb_ddl_history tables with raw meta write, these 3 tables is use to replace the ddl job queue and reorg and history hash table
* 2. setup concurrent ddl env and add ddl worker pool
adds the ddl worker pool definition, the ddl job manager will find a job and ship it to a worker in the worker pool.
Also, this commit provides a sessionctx wrapper, only use in ddl relate. it just wraps begin, commit and execute
* 3. add ddl manager to handle ddl job
* 4. reorg handler for concurrent ddl
just implements the partner of the reorg information.
* 5. manage ddl jobs for concurrent ddl
add the partner of add job, delete job and many others related to history job
because many of the functions need a session now, we just change the caller
* 6. add metrics for concurrent ddl
add metrics
* 7. support multiple tables
* 8. fix test
* 9. migrate ddl between table and queue
support switch between the old and new ddl framework, migrate the existing ddl job between queue and table
* 10. check tikv version and set reorg worker count according cpu count
* *: add featuretag on tests
Signed-off-by: Weizhen Wang <wangweizhen@pingcap.com >
* use a determined table id for 3 tables
* remove ctx value
* add GetSchemaVersionWithNonEmptyDiff function
* address tangenta and zimulala comment
* use only one etcd path
* make ActionRenameTable support multi-schema
* reset sql digest to make top sql work correct
* add comment
* fix test
* remove 0 for schema version lock
Co-authored-by: xiongjiwei <xiongjiwei1996@outlook.com >
Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io >
Co-authored-by: wjHuang <huangwenjun1997@gmail.com >
2022-07-20 21:20:07 +08:00
fbbae462f1
planner: expose two variables related to the cost model ( #36356 )
...
ref pingcap/tidb#35240
2022-07-20 20:45:09 +08:00
fd6f5dd798
*: GC-aware memory track for analyze ( #35248 )
...
close pingcap/tidb#34996
2022-07-20 20:17:09 +08:00
a52656fde4
*: add binary plan in stmt summary and slow log/query ( #35698 )
...
close pingcap/tidb#35889
2022-07-20 18:21:09 +08:00
d00b984f4c
executor, statistics: analyze use MaxUint64 ts to read data ( #35232 )
...
close pingcap/tidb#35233
2022-07-20 16:09:08 +08:00
afd71bdefd
executor: support dispatch cop request to closest replica adaptively ( #35927 )
...
ref pingcap/tidb#35926
2022-07-19 17:59:07 +08:00
67be460efe
planner: enable the new cost interface by default ( #36241 )
...
ref pingcap/tidb#35240
2022-07-18 21:21:08 +08:00
c28bac3d72
planner: support rewrite for skew group distinct aggregate to avoid skew execution ( #36181 )
...
close pingcap/tidb#36169
2022-07-18 15:29:07 +08:00
9a2ed52119
server, sessionctx: support token-based authentication ( #36152 )
...
close pingcap/tidb#35913
2022-07-14 18:29:06 +08:00
2193bfe3b7
*: remove system var tidb_enable_change_multi_schema ( #36167 )
...
ref pingcap/tidb#14766
2022-07-14 10:37:05 +08:00
0b427e1fd6
*: add tidb_min_paging_size system variable ( #36107 )
...
close pingcap/tidb#36106
2022-07-13 22:27:05 +08:00
bdc6397023
executor: support tidb memory debug mode ( #35322 )
...
ref pingcap/tidb#33877
2022-07-13 12:33:06 +08:00
dced89a231
planner/core, planner, sessionctx/variable: remove more skipInit ( #35992 )
...
ref pingcap/tidb#35051
2022-07-13 11:27:05 +08:00
2eb101abcf
sessionctx/variable: remove skipInit from non-session scoped variables ( #35801 )
...
ref pingcap/tidb#35051
2022-07-07 00:01:02 +08:00
a5e973ca5a
sessionctx/variable: convert TiDBLogFileMaxDays and TiDBConfig to ScopeInstance ( #35733 )
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close pingcap/tidb#35190
2022-07-06 17:11:02 +08:00
cdde0398fe
sessionctx,kv,planner: add system variable for fine_grained_shuffle ( #35256 )
...
close pingcap/tidb#35342
2022-07-06 10:27:02 +08:00
e2b55640c1
config, sysvar: map max-server-connections to max_connections ( #35453 )
...
ref pingcap/tidb#34960
2022-06-23 15:12:37 +08:00
193f04db70
session,sessionctx: enable tidb_enable_paging by default ( #35275 )
...
close pingcap/tidb#35273
2022-06-23 08:32:37 +08:00
e0527ba27c
sessionctx: support encoding and decoding session variables ( #35531 )
...
close pingcap/tidb#35414
2022-06-21 19:20:36 +08:00
f89466daa2
sessionctx: set skipInit false for TiDBOptProjectionPushDown and TiDBOptAggPushDown ( #35491 )
...
close pingcap/tidb#35083
2022-06-21 15:38:37 +08:00
5c9ad77ae1
*: add support for disabling noop variables ( #35496 )
...
close pingcap/tidb#8895
2022-06-21 14:10:36 +08:00
79d9d6fa75
executor, sessionctx/variable: convert some system variables to different builtin types ( #35143 )
...
close pingcap/tidb#35048
2022-06-17 02:34:34 +08:00
081bd10d54
system_variables: remove the limitation for set tidb_gc_life_time ( #35411 )
...
close pingcap/tidb#35392
2022-06-16 18:18:35 +08:00
017ac90e67
planner: introduce some new variables for the cost model version2 ( #35241 )
...
ref pingcap/tidb#35240
2022-06-09 17:52:30 +08:00
4d8cf5e1e2
metrics: add a config to unregister the unused metrics ( #34990 )
...
close pingcap/tidb#34989
2022-06-09 15:34:31 +08:00
c8fcad4d82
planner: refactor to use the standard function GetXXFactor() to get cost model factors ( #35226 )
...
ref pingcap/tidb#33945
2022-06-08 16:10:30 +08:00
7ffab33a47
variables: add concurrent DDL switch ( #35028 )
...
ref pingcap/tidb#32031
2022-06-06 14:56:29 +08:00
233a7335fd
sessionctx/variable, ddl: fix sysvar API usage ( #35052 )
...
ref pingcap/tidb#35051
2022-06-06 10:34:29 +08:00
e2fd394fbf
table partition: add more warnings to inform the user that setting TiDB partition prune mode to dynamic at session level ( #35046 )
...
close pingcap/tidb#35042
2022-05-31 18:04:27 +08:00
dfb22c064d
config, executor, sessionctx/variable: Remove old config items ( #34927 )
...
close pingcap/tidb#34867 , close pingcap/tidb#34879 , close pingcap/tidb#34945
2022-05-29 05:22:48 +08:00
43f83c0799
*: kill auto analyze when it runs too long ( #34950 )
...
close pingcap/tidb#34952
2022-05-27 13:36:47 +08:00
dae0a4104a
sessionctx: enable list partition by default ( #34954 )
...
close pingcap/tidb#34953
2022-05-27 12:22:47 +08:00
6a0239362d
planner: use variable to control outer join reorder for fallback ( #34825 )
...
ref pingcap/tidb#19940
2022-05-19 23:14:39 +08:00
0cbccb74f3
*: move config file options prepared-plan-cache.* to sysvars ( #34790 )
...
close pingcap/tidb#30168 , ref pingcap/tidb#33769
2022-05-19 16:18:39 +08:00
2f4b11dc26
planner: disable the new cost implementation by default ( #34810 )
2022-05-19 16:01:16 +08:00
2cf1354f72
*: global stats consistency for dynamic prune ( #34695 )
...
close pingcap/tidb#34730
2022-05-19 11:34:38 +08:00
a9614850f9
*: move config file option oom-action to sysvar ( #34644 )
...
ref pingcap/tidb#33769
2022-05-19 05:16:38 +08:00
eae2ae84f4
*: move config file option tidb_enable_auto_analyze to sysvar ( #34643 )
...
ref pingcap/tidb#33769
2022-05-19 02:34:38 +08:00
c154d4f864
variable: fix 34773 race error ( #34775 )
...
close pingcap/tidb#34773
2022-05-18 15:44:38 +08:00
95e359ff4c
variable: revise TiDBStatsCacheMemQuota settting code ( #34762 )
...
ref pingcap/tidb#34052
2022-05-18 13:26:38 +08:00
d2ada35afa
*: move config file option require_secure_transport to sysvar ( #34261 )
...
ref pingcap/tidb#33769
2022-05-17 22:02:37 +08:00
09b155f7a3
distsql, sessionctx/variable: add max_threads mysql variable for TiFlash ( #34299 )
...
close pingcap/tidb#34298
2022-05-17 19:00:38 +08:00
683ba092b5
planner: enable the new cost implementation by default ( #34567 )
...
close pingcap/tidb#33945
2022-05-17 00:02:38 +08:00
0017963ddd
*: move config file option committer-concurrency to sysvar ( #34368 )
...
ref pingcap/tidb#33769
2022-05-14 04:36:37 +08:00
bbfbe137eb
*: move config file option enable-batch-dml to sysvar ( #33803 )
...
ref pingcap/tidb#33769
2022-05-13 22:12:37 +08:00
98c31070d9
sysvar, sysvar_test: fix tidb_mem_quota_query min/max value ( #34554 )
...
fixes pingcap/tidb#34553
2022-05-12 00:08:35 +08:00
53f228af45
sysvari: enable statsCache lru by config ( #34278 )
...
* add statsquota variable
Signed-off-by: yisaer <disxiaofei@163.com >
* add test
Signed-off-by: yisaer <disxiaofei@163.com >
* address the comment
Signed-off-by: yisaer <disxiaofei@163.com >
* address the comment
Signed-off-by: yisaer <disxiaofei@163.com >
* address the comment
Signed-off-by: yisaer <disxiaofei@163.com >
* fix conflict
Signed-off-by: yisaer <disxiaofei@163.com >
* address the comment
Signed-off-by: yisaer <disxiaofei@163.com >
address the comment
Signed-off-by: yisaer <disxiaofei@163.com >
fix duplicated plan
Signed-off-by: yisaer <disxiaofei@163.com >
fix duplicated plan
Signed-off-by: yisaer <disxiaofei@163.com >
fix duplicated plan
Signed-off-by: yisaer <disxiaofei@163.com >
* fix duplicated plan
Signed-off-by: yisaer <disxiaofei@163.com >
* fix duplicated plan
Signed-off-by: yisaer <disxiaofei@163.com >
Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io >
2022-05-10 23:49:54 +08:00
33236ba8d7
*: track analyze memory usage separately with quota ( #33054 )
...
ref pingcap/tidb#29938 , close pingcap/tidb#33065
2022-05-10 20:32:35 +08:00
