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server: fix the issue that panic when collecting hot-cache metrics #1091

Merged
merged 3 commits into from
May 25, 2018
Merged

server: fix the issue that panic when collecting hot-cache metrics #1091

merged 3 commits into from
May 25, 2018

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nolouch
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@nolouch nolouch commented May 25, 2018

error like:

fatal error: concurrent map iteration and map write

goroutine 2133516 [running]:
runtime.throw(0xfa9913, 0x26)
	/usr/local/go/src/runtime/panic.go:616 +0x81 fp=0xc424d699f8 sp=0xc424d699d8 pc=0x42acf1
runtime.mapiternext(0xc424d69aa8)
	/usr/local/go/src/runtime/hashmap.go:747 +0x55c fp=0xc424d69a88 sp=0xc424d699f8 pc=0x408b3c
github.com/pingcap/pd/server/core.(*StoresInfo).TotalWrittenBytes(0xc4276262b0, 0xc4294793c0)
	/home/jenkins/workspace/build_pd_2.0/go/src/github.com/pingcap/pd/server/core/store.go:430 +0x8f fp=0xc424d69b18 sp=0xc424d69a88 pc=0x885e5f
github.com/pingcap/pd/server/schedule.calculateWriteHotThreshold(0xc4276262b0, 0x0)
	/home/jenkins/workspace/build_pd_2.0/go/src/github.com/pingcap/pd/server/schedule/hot_cache.go:104 +0x2f fp=0xc424d69b38 sp=0xc424d69b18 pc=0x88fe9f
github.com/pingcap/pd/server/schedule.(*HotSpotCache).CollectMetrics(0xc423f17ac0, 0xc4276262b0)
	/home/jenkins/workspace/build_pd_2.0/go/src/github.com/pingcap/pd/server/schedule/hot_cache.go:210 +0x185 fp=0xc424d69c10 sp=0xc424d69b38 pc=0x890795
github.com/pingcap/pd/server.(*coordinator).collectHotSpotMetrics(0xc42437bc20)
	/home/jenkins/workspace/build_pd_2.0/go/src/github.com/pingcap/pd/server/coordinator.go:369 +0xc11 fp=0xc424d69e80 sp=0xc424d69c10 pc=0xc82f11
github.com/pingcap/pd/server.(*RaftCluster).collectMetrics(0xc42021f030)
	/home/jenkins/workspace/build_pd_2.0/go/src/github.com/pingcap/pd/server/cluster.go:484 +0x121 fp=0xc424d69f08 sp=0xc424d69e80 pc=0xc7bae1
github.com/pingcap/pd/server.(*RaftCluster).runBackgroundJobs(0xc42021f030, 0xdf8475800)
	/home/jenkins/workspace/build_pd_2.0/go/src/github.com/pingcap/pd/server/cluster.go:519 +0xf7 fp=0xc424d69fd0 sp=0xc424d69f08 pc=0xc7beb7
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:2361 +0x1 fp=0xc424d69fd8 sp=0xc424d69fd0 pc=0x459cb1
created by github.com/pingcap/pd/server.(*RaftCluster).start
	/home/jenkins/workspace/build_pd_2.0/go/src/github.com/pingcap/pd/server/cluster.go:113 +0x528

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LGTM

disksing
disksing reviewed May 25, 2018
View reviewed changes
server/coordinator_test.go
@@ -236,6 +237,29 @@ func dispatchHeartbeat(c *C, co *coordinator, region *core.RegionInfo, stream *m
co.dispatch(region)
}

func (s *testCoordinatorSuite) TestCollectMetrics(c *C) {
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Will the test take too much time?

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no, it finished soon.

@nolouch nolouch added the needs-cherry-pick-release-2.0 The PR needs to cherry pick to release-2.0 branch. label May 25, 2018
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LGTM. @nolouch Please fire an issue and check if we have similar problem. Especially check the access of inner fields of clusterInfo.

@nolouch nolouch merged commit a5c2be9 into tikv:master May 25, 2018
@nolouch nolouch deleted the fix-concurrent-map branch May 25, 2018 10:12
@disksing disksing added the type/bug The issue is confirmed as a bug. label May 25, 2018
nolouch added a commit to nolouch/pd that referenced this pull request May 30, 2018
@nolouch
server: fix the issue that panic when collecting hot-cache metrics (t…
67d56d7 
…ikv#1091)

* server: fix the issue that panic when collecting hot-cache metrics
siddontang pushed a commit that referenced this pull request May 31, 2018
@nolouch @siddontang
cherry-pick commits to release-2.0 (#1096)
f388273 
* server: fix the issue that panic when collecting hot-cache metrics (#1091)

* server: fix the issue that panic when collecting hot-cache metrics

* server, schedule: check region epoch before adding operators. (#1095)

* server, schedule: check region epoch before adding operators.

* add test.
ti-chi-bot pushed a commit that referenced this pull request Feb 15, 2023
@dependabot
build(deps): bump github.com/prometheus/client_golang from 1.11.0 to …
3a286c2 
…1.11.1 in /tools/pd-tso-bench (#5990)

ref #897, ref #962, ref #969, ref #974, ref #975, ref #976, ref #986, ref prometheus/client_golang#987, ref #987, ref #989, ref #998, ref #1013, ref #1014, ref #1025, ref #1028, ref #1031, ref #1043, ref #1055, ref #1075, ref #1091, ref #1094, ref #1102, ref #1103, ref #1118, ref #1146, ref #1148, ref #1150

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
ti-chi-bot pushed a commit that referenced this pull request Feb 15, 2023
@dependabot
build(deps): bump github.com/prometheus/client_golang from 1.11.0 to …
e168bd6 
…1.11.1 in /tests/client (#5992)

ref #897, ref #962, ref #969, ref #974, ref #975, ref #976, ref #986, ref #987, ref prometheus/client_golang#987, ref #989, ref #998, ref #1013, ref #1014, ref #1025, ref #1028, ref #1031, ref #1043, ref #1055, ref #1075, ref #1091, ref #1094, ref #1102, ref #1103, ref #1118, ref #1146, ref #1148, ref #1150, ref #4399

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
ti-chi-bot added a commit that referenced this pull request Feb 15, 2023
@dependabot @ti-chi-bot
build(deps): bump github.com/prometheus/client_golang from 1.11.0 to …
2839786 
…1.11.1 in /tests/mcs (#5993)

ref #897, ref #962, ref #969, ref #974, ref #975, ref #976, ref #986, ref #987, ref prometheus/client_golang#987, ref #989, ref #998, ref #1013, ref #1014, ref #1025, ref #1028, ref #1031, ref #1043, ref #1055, ref #1075, ref #1091, ref #1094, ref #1102, ref #1103, ref #1118, ref #1146, ref #1148, ref #1150, ref #4399

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>
ti-chi-bot added a commit that referenced this pull request Feb 15, 2023
@dependabot @ti-chi-bot
build(deps): bump github.com/prometheus/client_golang from 1.11.0 to …
951dbc6 
…1.11.1 in /client (#5991)

ref #897, ref #962, ref #969, ref #974, ref #975, ref #976, ref #986, ref #987, ref prometheus/client_golang#987, ref #989, ref #998, ref #1013, ref #1014, ref #1025, ref #1028, ref #1031, ref #1043, ref #1055, ref #1075, ref #1091, ref #1094, ref #1102, ref #1103, ref #1118, ref #1146, ref #1148, ref #1150, ref #4399

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>
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@disksing disksing disksing approved these changes

@huachaohuang huachaohuang Awaiting requested review from huachaohuang

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@nolouch @huachaohuang @disksing