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executor: add runtime information for the batch-point-get executor (#18828) #18892

Merged
merged 5 commits into from
Aug 3, 2020
Merged

executor: add runtime information for the batch-point-get executor (#18828) #18892

merged 5 commits into from
Aug 3, 2020

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cherry-pick #18828 to release-4.0

Signed-off-by: crazycs520 crazycs520@gmail.com

What problem does this PR solve?

As the title said. related PR: #18666

Here is some example of explain analyze select * from t where a in (1, 2, 3);

Normally

+-------------------+---------+---------+------+---------------------+------------------------------------------------------------------+------------------------------+--------+------+
| id                | estRows | actRows | task | access object       | execution info                                                   | operator info                | memory | disk |
+-------------------+---------+---------+------+---------------------+------------------------------------------------------------------+------------------------------+--------+------+
| Batch_Point_Get_1 | 3.00    | 2       | root | table:t, index:a(a) | time:113.52µs, loops:2, BatchGet:{num_rpc:2, total_time:83.13µs} | keep order:false, desc:false | N/A    | N/A  |
+-------------------+---------+---------+------+---------------------+------------------------------------------------------------------+------------------------------+--------+------+

when meet lock:

+-------------------+---------+---------+------+---------------------+-----------------------------------------------------------------------------------------------------------------------------------+------------------------------+--------+------+
| id                | estRows | actRows | task | access object       | execution info                                                                                                                    | operator info                | memory | disk |
+-------------------+---------+---------+------+---------------------+-----------------------------------------------------------------------------------------------------------------------------------+------------------------------+--------+------+
| Batch_Point_Get_1 | 3.00    | 2       | root | table:t, index:a(a) | time:196.187329ms, loops:2, BatchGet:{num_rpc:22078, total_time:45.067042ms},ResolveLock:{num_rpc:22076, total_time:124.644857ms} | keep order:false, desc:false | N/A    | N/A  |
+-------------------+---------+---------+------+---------------------+-----------------------------------------------------------------------------------------------------------------------------------+------------------------------+--------+------+

when tikv restart:

+-------------------+---------+---------+------+---------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+------------------------------+--------+------+
| id                | estRows | actRows | task | access object       | execution info                                                                                                                                                             | operator info                | memory | disk |
+-------------------+---------+---------+------+---------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+------------------------------+--------+------+
| Batch_Point_Get_1 | 3.00    | 2       | root | table:t, index:a(a) | time:12.751231255s, loops:2, BatchGet:{num_rpc:13, total_time:10.713120148s},regionMiss_backoff:{num:11, total_time:2010 ms},tikvRPC_backoff:{num:11, total_time:10691 ms} | keep order:false, desc:false | N/A    | N/A  |
+-------------------+---------+---------+------+---------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+------------------------------+--------+------+

What is changed and how it works?

Related changes

  • Need to cherry-pick to the release branch

Check List

Tests

  • Unit test
  • Manual test

Side effects

  • Performance regression
    • Consumes more CPU
    • Consumes more MEM

Release note

  • Add runtime information for the batch-point-get executor

@crazycs520 @ti-srebot
cherry pick pingcap#18828 to release-4.0
61841ff 
Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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/run-all-tests

@ti-srebot ti-srebot mentioned this pull request Jul 30, 2020
Merged
@ti-srebot ti-srebot added this to the v4.0.5 milestone Jul 30, 2020
@crazycs520
Revert "cherry pick pingcap#18828 to release-4.0"
e74c5f7 
This reverts commit 61841ff.
@crazycs520
Merge branch 'release-4.0' of https://github.com/pingcap/tidb into re…
ccf0295 
…lease-4.0-c397584065be
@crazycs520
fix conflict
705eaf0 
Signed-off-by: crazycs520 <crazycs520@gmail.com>
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/rebuild

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/run-unit-test

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/run-unit-test

qw4990
qw4990 reviewed Aug 3, 2020
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LGTM

@ti-srebot ti-srebot added the status/LGT1 Indicates that a PR has LGTM 1. label Aug 3, 2020
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/run-all-tests

tangenta
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LGTM

@ti-srebot ti-srebot added status/LGT2 Indicates that a PR has LGTM 2. and removed status/LGT1 Indicates that a PR has LGTM 1. labels Aug 3, 2020
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/run-all-tests

zz-jason
zz-jason approved these changes Aug 3, 2020
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LGTM

@ti-srebot ti-srebot added status/LGT3 The PR has already had 3 LGTM. and removed status/LGT2 Indicates that a PR has LGTM 2. labels Aug 3, 2020
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zz-jason commented Aug 3, 2020

/merge

@ti-srebot ti-srebot added the status/can-merge Indicates a PR has been approved by a committer. label Aug 3, 2020
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/run-all-tests

@ti-srebot ti-srebot merged commit 990fd2e into pingcap:release-4.0 Aug 3, 2020
@crazycs520 crazycs520 deleted the release-4.0-c397584065be branch August 3, 2020 06:18
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@qw4990 qw4990 qw4990 left review comments

@tangenta tangenta tangenta left review comments

@zz-jason zz-jason zz-jason approved these changes

@wjhuang2016 wjhuang2016 Awaiting requested review from wjhuang2016

@XuHuaiyu XuHuaiyu Awaiting requested review from XuHuaiyu

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sig/execution SIG execution status/can-merge Indicates a PR has been approved by a committer. status/LGT3 The PR has already had 3 LGTM. type/4.0-cherry-pick
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