api: change store limit by label by ZenoTan · Pull Request #2697 · tikv/pd

ZenoTan · 2020-07-29T08:06:12Z

What problem does this PR solve?

Solve issue #2568
ref: #2504

What is changed and how it works?

Support change store limit according to label. Label is treated as a special store rule here.
Command line like "store limit ... " can be used to change it.

Check List

Tests

Unit test
Integration test

Code changes

Has HTTP API interfaces change
Has pd-ctl interfaces change

Side effects

Related changes

Release note

ZenoTan · 2020-07-29T08:42:56Z

/run-all-tests

rleungx · 2020-07-31T06:02:39Z

tools/pd-ctl/pdctl/command/store_command.go

Can we make the rule as an option?

You mean store limit (rule) (limit) (type)?

server/api/store.go

nolouch · 2020-08-03T04:14:51Z

server/config/config.go

How do we distinguish StoreRuleLimit and StoreLimit? I think it is a bit complicated.

Yes. If it is not exposed to users, then where to save the map(which is used when a new store comes)

Yes，we can hide him and provide a separate API for the query. cc @rleungx

Provide something like InternalConfig, which can be used in other scenarios like this. Some additional logic will be added to show config. Is it a good solution?

tests/pdctl/store/store_test.go

nolouch · 2020-08-04T07:59:31Z

server/api/router.go

I more likely change rule to group? how do you think? We already have a placement rule, this Rule may confuse users.

Actually, I prefer not to add a new API. we can make the rules as a parameter or option

nolouch · 2020-08-04T08:00:36Z

server/config/config.go

Yes，we can hide him and provide a separate API for the query. cc @rleungx

rleungx · 2020-08-25T09:31:09Z

server/config/config.go

Can we use a way like the store label API to parse the label?

rleungx · 2020-08-25T09:38:47Z

I think we can use the original command to set the store limit but provide an option to use the label. e.g. store limit add-peer 5 [<key> <value>, ...]. And for this label, we can filter the stores and directly set the specified value to the store which meeting the label requirement.

nolouch · 2020-09-01T05:40:58Z

Can we accelerate this PR? @ZenoTan

ZenoTan · 2020-09-03T03:52:13Z

Sure. Next week I'll work on this.

ZenoTan · 2020-09-07T03:27:00Z

Will open soon.

Signed-off-by: ZenoTan <zenotan1998@gmail.com>

server/cluster/cluster.go

Signed-off-by: ZenoTan <zenotan1998@gmail.com>

tools/pd-ctl/pdctl/command/store_command.go

nolouch · 2020-09-08T17:02:14Z

tests/pdctl/store/store_test.go

 	c.Assert(limit2, Equals, float64(25))

+	// store limit all <key> <value> <rate> <type>
+	args = []string{"-u", pdAddr, "store", "limit", "all", "zone", "uk", "20", "remove-peer"}


can we add a simpler command for TiFlash？ cc @rleungx

Maybe store tiflash add-peer 60?

we can do it in another PR.

nolouch

LGTM

rleungx · 2020-09-10T01:12:40Z

tools/pd-ctl/pdctl/command/store_command.go

+			cmd.Println("Labels are an option of set all stores limit.")
+		} else {
+			postInput := map[string]interface{}{}
+			prefix := path.Join(storesPrefix, "limit")


How about using a constant?

rleungx · 2020-09-10T01:16:06Z

tests/pdctl/store/store_test.go

+	// store limit all <key> <value> <rate> <type>
+	args = []string{"-u", pdAddr, "store", "limit", "all", "zone", "uk", "20", "remove-peer"}
+	_, output, err = pdctl.ExecuteCommandC(cmd, args...)
+	c.Log(string(output))


Signed-off-by: ZenoTan <zenotan1998@gmail.com>

rleungx

LGTM

ZenoTan · 2020-09-10T04:01:28Z

/merge

ti-srebot · 2020-09-10T04:01:30Z

@ZenoTan Oops! auto merge is restricted to Committers of the SIG.See the corresponding SIG page for more information. Related SIG: scheduling(slack).

nolouch · 2020-09-10T05:49:48Z

/merge

ti-srebot · 2020-09-10T05:50:17Z

/run-all-tests

ti-srebot · 2020-09-10T06:20:49Z

@ZenoTan merge failed.

ZenoTan · 2020-09-10T06:29:06Z

/run-all-tests

ZenoTan · 2020-09-10T06:41:39Z

/run-all-tests

ZenoTan · 2020-09-10T07:13:48Z

/run-all-tests

ZenoTan · 2020-09-10T08:15:27Z

/run-test

ZenoTan · 2020-09-10T08:16:20Z

/run-integration-lightning-test

nolouch · 2020-09-10T08:22:37Z

/test

nolouch · 2020-09-10T08:26:26Z

/rebuild

nolouch · 2020-09-10T09:48:43Z

/merge

ti-srebot · 2020-09-10T09:49:17Z

/run-all-tests

ti-srebot added the contribution This PR is from a community contributor. label Jul 29, 2020

nolouch requested review from nolouch and rleungx July 29, 2020 14:32

rleungx reviewed Jul 31, 2020

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Can we use a way like the store label API to parse the label?

ZenoTan closed this Sep 7, 2020

ZenoTan force-pushed the label branch from ea783c6 to a9cdb2d Compare September 7, 2020 03:24

Add basic change

4072fdc

Signed-off-by: ZenoTan <zenotan1998@gmail.com>

ZenoTan reopened this Sep 7, 2020

nolouch reviewed Sep 8, 2020

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server/cluster/cluster.go Outdated Show resolved Hide resolved

ZenoTan and others added 6 commits September 8, 2020 11:55

Change api

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Signed-off-by: ZenoTan <zenotan1998@gmail.com>

pd ctl support

a46f6b9

Signed-off-by: ZenoTan <zenotan1998@gmail.com>

Merge branch 'master' into label

9664b3b

Fix

b5d19dd

Signed-off-by: ZenoTan <zenotan1998@gmail.com>

Fix

79b144e

Signed-off-by: ZenoTan <zenotan1998@gmail.com>

Merge branch 'label' of https://github.com/ZenoTan/pd into label

db87b59

Signed-off-by: ZenoTan <zenotan1998@gmail.com>

nolouch reviewed Sep 8, 2020

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nolouch reviewed Sep 9, 2020

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ti-srebot added the status/LGT1 Indicates that a PR has LGTM 1. label Sep 9, 2020

rleungx reviewed Sep 10, 2020

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ZenoTan and others added 3 commits September 10, 2020 10:34

Merge branch 'master' into label

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Address comment

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Signed-off-by: ZenoTan <zenotan1998@gmail.com>

Reformat

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Signed-off-by: ZenoTan <zenotan1998@gmail.com>

ZenoTan added 2 commits September 10, 2020 10:46

Merge branch 'label' of https://github.com/ZenoTan/pd into label

c3704b3

Signed-off-by: ZenoTan <zenotan1998@gmail.com>

Remove

291c46d

Signed-off-by: ZenoTan <zenotan1998@gmail.com>

rleungx approved these changes Sep 10, 2020

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ti-srebot removed the status/LGT1 Indicates that a PR has LGTM 1. label Sep 10, 2020

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ti-srebot added the status/LGT2 Indicates that a PR has LGTM 2. label Sep 10, 2020

ZenoTan added 2 commits September 10, 2020 11:17

Merge branch 'master' into label

92bc507

Merge branch 'master' into label

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Merge branch 'master' into label

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ti-srebot added the status/can-merge Indicates a PR has been approved by a committer. label Sep 10, 2020

ti-srebot merged commit 62934dc into tikv:master Sep 10, 2020

rleungx changed the title ~~Change store limit by label~~ api: change store limit by label Sep 10, 2020

This was referenced Dec 28, 2021

api: support temporary configuration (#3082) #3088

Merged

Setting store limit by label is supported unexpectedly in v4.0 #4507

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