Owner exits unexpectedly when PD leader is killed -9

[overvenus]

What did you do?

1. Running a changefeed.
2. Kill PD leader (also etcd leader too).

Owner node exits unexpectedly.

[2022/01/03 22:59:44.154 +08:00] [WARN] [etcd_worker.go:405] ["Etcd transaction took too long"] [duration=11.000997285s]
[2022/01/03 22:59:44.154 +08:00] [INFO] [client.go:189] ["WatchWithChan exited"]
[2022/01/03 22:59:44.154 +08:00] [INFO] [capture.go:430] ["run owner exited"] [error="etcdserver: request timed out, possibly due to previous leader failure"] [errorVerbose="etcdserver: request timed out, possibly due to previous leader failure\ngithub.com/pingcap/errors.AddStack\n\tgithub.com/pingcap/[email protected]/errors.go:174\ngithub.com/pingcap/errors.Trace\n\tgithub.com/pingcap/[email protected]/juju_adaptor.go:15\ngithub.com/pingcap/tiflow/pkg/orchestrator.(*EtcdWorker).commitChangedState\n\tgithub.com/pingcap/tiflow/pkg/orchestrator/etcd_worker.go:409\ngithub.com/pingcap/tiflow/pkg/orchestrator.(*EtcdWorker).applyPatchGroups\n\tgithub.com/pingcap/tiflow/pkg/orchestrator/etcd_worker.go:337\ngithub.com/pingcap/tiflow/pkg/orchestrator.(*EtcdWorker).Run\n\tgithub.com/pingcap/tiflow/pkg/orchestrator/etcd_worker.go:207\ngithub.com/pingcap/tiflow/cdc/capture.(*Capture).runEtcdWorker\n\tgithub.com/pingcap/tiflow/cdc/capture/capture.go:450\ngithub.com/pingcap/tiflow/cdc/capture.(*Capture).campaignOwner\n\tgithub.com/pingcap/tiflow/cdc/capture/capture.go:428\ngithub.com/pingcap/tiflow/cdc/capture.(*Capture).run.func2\n\tgithub.com/pingcap/tiflow/cdc/capture/capture.go:292\nruntime.goexit\n\truntime/asm_amd64.s:1581"]
[2022/01/03 22:59:44.156 +08:00] [INFO] [capture.go:293] ["the owner routine has exited"] [error="etcdserver: request timed out, possibly due to previous leader failure"] [errorVerbose="etcdserver: request timed out, possibly due to previous leader failure\ngithub.com/pingcap/errors.AddStack\n\tgithub.com/pingcap/[email protected]/errors.go:174\ngithub.com/pingcap/errors.Trace\n\tgithub.com/pingcap/[email protected]/juju_adaptor.go:15\ngithub.com/pingcap/tiflow/pkg/orchestrator.(*EtcdWorker).commitChangedState\n\tgithub.com/pingcap/tiflow/pkg/orchestrator/etcd_worker.go:409\ngithub.com/pingcap/tiflow/pkg/orchestrator.(*EtcdWorker).applyPatchGroups\n\tgithub.com/pingcap/tiflow/pkg/orchestrator/etcd_worker.go:337\ngithub.com/pingcap/tiflow/pkg/orchestrator.(*EtcdWorker).Run\n\tgithub.com/pingcap/tiflow/pkg/orchestrator/etcd_worker.go:207\ngithub.com/pingcap/tiflow/cdc/capture.(*Capture).runEtcdWorker\n\tgithub.com/pingcap/tiflow/cdc/capture/capture.go:450\ngithub.com/pingcap/tiflow/cdc/capture.(*Capture).campaignOwner\n\tgithub.com/pingcap/tiflow/cdc/capture/capture.go:428\ngithub.com/pingcap/tiflow/cdc/capture.(*Capture).run.func2\n\tgithub.com/pingcap/tiflow/cdc/capture/capture.go:292\nruntime.goexit\n\truntime/asm_amd64.s:1581"]
…
[2022/01/03 22:59:59.836 +08:00] [INFO] [capture.go:317] ["the processor routine has exited"] [error="[CDC:ErrPDEtcdAPIError]etcd api call error: context canceled"] [errorVerbose="[CDC:ErrPDEtcdAPIError]etcd api call error: context canceled\ngithub.com/pingcap/errors.AddStack\n\tgithub.com/pingcap/[email protected]/errors.go:174\ngithub.com/pingcap/errors.(*Error).GenWithStackByArgs\n\tgithub.com/pingcap/[email protected]/normalize.go:159\ngithub.com/pingcap/tiflow/pkg/errors.WrapError\n\tgithub.com/pingcap/tiflow/pkg/errors/helper.go:30\ngithub.com/pingcap/tiflow/cdc/capture.(*Capture).runEtcdWorker\n\tgithub.com/pingcap/tiflow/cdc/capture/capture.go:464\ngithub.com/pingcap/tiflow/cdc/capture.(*Capture).run.func3\n\tgithub.com/pingcap/tiflow/cdc/capture/capture.go:316\nruntime.goexit\n\truntime/asm_amd64.s:1581"]

What did you expect to see?

A TiCDC node should never exit unexpectedly.

What did you see instead?

A TiCDC node exits unexpectedly.

Versions of the cluster

Upstream TiDB cluster version (execute SELECT tidb_version(); in a MySQL client):

release-5.4

TiCDC version (execute cdc version):

e274ab691d3b1bbd21e4d0e52e512003762b1767

[Tammyxia]

DBaaS error message:
[2022/03/02 03:15:58.471 +00:00] [WARN] [client.go:86] ["etcd RPC failed"] [RPC=Put] [error="etcdserver: requested lease not found"]
[2022/03/02 03:15:58.471 +00:00] [INFO] [capture.go:254] ["the capture routine has exited"]
[2022/03/02 03:15:58.471 +00:00] [ERROR] [http_status.go:74] ["http server error"] [error="[CDC:ErrServeHTTP]serve http error: mux: server closed"] [errorVerbose="[CDC:ErrServeHTTP]serve http error: mux: server closed\ngithub.com/pingcap/errors.AddStack\n\tgithub.com/pingcap/[email protected]/errors.go:174\ngithub.com/pingcap/errors.(*Error).GenWithStackByArgs\n\tgithub.com/pingcap/[email protected]/normalize.go:164\ngithub.com/pingcap/tiflow/pkg/errors.WrapError\n\tgithub.com/pingcap/tiflow/pkg/errors/helper.go:30\ngithub.com/pingcap/tiflow/cdc.(*Server).startStatusHTTP.func1\n\tgithub.com/pingcap/tiflow/cdc/http_status.go:74\nruntime.goexit\n\truntime/asm_amd64.s:1371"]
[2022/03/02 03:15:58.471 +00:00] [ERROR] [client.go:752] ["[pd] fetch pending tso requests error"] [dc-location=global] [error="[PD:client:ErrClientGetTSO]context canceled: context canceled"]
[2022/03/02 03:15:58.471 +00:00] [INFO] [client.go:666] ["[pd] exit tso dispatcher"] [dc-location=global]
[2022/03/02 03:15:58.471 +00:00] [ERROR] [server.go:131] ["run server"] [error="[CDC:ErrCaptureRegister]capture register to etcd failed: [CDC:ErrPDEtcdAPIError]etcd api call error: [CDC:ErrReachMaxTry]reach maximum try: 8: etcdserver: requested lease not found\ngithub.com/pingcap/errors.AddStack\n\tgithub.com/pingcap/[email protected]/errors.go:174\ngithub.com/pingcap/errors.(*Error).GenWithStackByArgs\n\tgithub.com/pingcap/[email protected]/normalize.go:164\ngithub.com/pingcap/tiflow/pkg/errors.WrapError\n\tgithub.com/pingcap/tiflow/pkg/errors/helper.go:30\ngithub.com/pingcap/tiflow/cdc/capture.(*Capture).register\n\tgithub.com/pingcap/tiflow/cdc/capture/capture.go:511\ngithub.com/pingcap/tiflow/cdc/capture.(*Capture).run\n\tgithub.com/pingcap/tiflow/cdc/capture/capture.go:272\ngithub.com/pingcap/tiflow/cdc/capture.(*Capture).Run\n\tgithub.com/pingcap/tiflow/cdc/capture/capture.go:244\ngithub.com/pingcap/tiflow/cdc.(*Server).run.func1\n\tgithub.com/pingcap/tiflow/cdc/server.go:258\ngolang.org/x/sync/errgroup.(*Group).Go.func1\n\tgolang.org/x/[email protected]/errgroup/errgroup.go:57\nruntime.goexit\n\truntime/asm_amd64.s:1371"]
[2022/03/02 03:15:58.472 +00:00] [ERROR] [client.go:752] ["[pd] fetch pending tso requests error"] [dc-location=global] [error="[PD:client:ErrClientGetTSO]context canceled: context canceled"]
[2022/03/02 03:15:58.472 +00:00] [INFO] [client.go:666] ["[pd] exit tso dispatcher"] [dc-location=global]
Error: run server: [CDC:ErrCaptureRegister]capture register to etcd failed: [CDC:ErrPDEtcdAPIError]etcd api call error: [CDC:ErrReachMaxTry]reach maximum try: 8: etcdserver: requested lease not found

[CharlesCheung96]

DBaaS error message: [2022/03/02 03:15:58.471 +00:00] [WARN] [client.go:86] ["etcd RPC failed"] [RPC=Put] [error="etcdserver: requested lease not found"] [2022/03/02 03:15:58.471 +00:00] [INFO] [capture.go:254] ["the capture routine has exited"] [2022/03/02 03:15:58.471 +00:00] [ERROR] [http_status.go:74] ["http server error"] [error="[CDC:ErrServeHTTP]serve http error: mux: server closed"] [errorVerbose="[CDC:ErrServeHTTP]serve http error: mux: server closed\ngithub.com/pingcap/errors.AddStack\n\tgithub.com/pingcap/[email protected]/errors.go:174\ngithub.com/pingcap/errors.(*Error).GenWithStackByArgs\n\tgithub.com/pingcap/[email protected]/normalize.go:164\ngithub.com/pingcap/tiflow/pkg/errors.WrapError\n\tgithub.com/pingcap/tiflow/pkg/errors/helper.go:30\ngithub.com/pingcap/tiflow/cdc.(*Server).startStatusHTTP.func1\n\tgithub.com/pingcap/tiflow/cdc/http_status.go:74\nruntime.goexit\n\truntime/asm_amd64.s:1371"] [2022/03/02 03:15:58.471 +00:00] [ERROR] [client.go:752] ["[pd] fetch pending tso requests error"] [dc-location=global] [error="[PD:client:ErrClientGetTSO]context canceled: context canceled"] [2022/03/02 03:15:58.471 +00:00] [INFO] [client.go:666] ["[pd] exit tso dispatcher"] [dc-location=global] [2022/03/02 03:15:58.471 +00:00] [ERROR] [server.go:131] ["run server"] [error="[CDC:ErrCaptureRegister]capture register to etcd failed: [CDC:ErrPDEtcdAPIError]etcd api call error: [CDC:ErrReachMaxTry]reach maximum try: 8: etcdserver: requested lease not found\ngithub.com/pingcap/errors.AddStack\n\tgithub.com/pingcap/[email protected]/errors.go:174\ngithub.com/pingcap/errors.(*Error).GenWithStackByArgs\n\tgithub.com/pingcap/[email protected]/normalize.go:164\ngithub.com/pingcap/tiflow/pkg/errors.WrapError\n\tgithub.com/pingcap/tiflow/pkg/errors/helper.go:30\ngithub.com/pingcap/tiflow/cdc/capture.(*Capture).register\n\tgithub.com/pingcap/tiflow/cdc/capture/capture.go:511\ngithub.com/pingcap/tiflow/cdc/capture.(*Capture).run\n\tgithub.com/pingcap/tiflow/cdc/capture/capture.go:272\ngithub.com/pingcap/tiflow/cdc/capture.(*Capture).Run\n\tgithub.com/pingcap/tiflow/cdc/capture/capture.go:244\ngithub.com/pingcap/tiflow/cdc.(*Server).run.func1\n\tgithub.com/pingcap/tiflow/cdc/server.go:258\ngolang.org/x/sync/errgroup.(*Group).Go.func1\n\tgolang.org/x/[email protected]/errgroup/errgroup.go:57\nruntime.goexit\n\truntime/asm_amd64.s:1371"] [2022/03/02 03:15:58.472 +00:00] [ERROR] [client.go:752] ["[pd] fetch pending tso requests error"] [dc-location=global] [error="[PD:client:ErrClientGetTSO]context canceled: context canceled"] [2022/03/02 03:15:58.472 +00:00] [INFO] [client.go:666] ["[pd] exit tso dispatcher"] [dc-location=global] Error: run server: [CDC:ErrCaptureRegister]capture register to etcd failed: [CDC:ErrPDEtcdAPIError]etcd api call error: [CDC:ErrReachMaxTry]reach maximum try: 8: etcdserver: requested lease not found

It seems that this problem occurs during the capture creation or restart process, can you provide a more detailed log?