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OpenReplicator repeat connect binlog and shutsown

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评估

难度
4/5
预计耗时
3-5 天
新手友好度
25/100
Issue 类型
缺陷
描述清晰度
需要澄清
活跃度
停滞
技术栈
java, mysql
领域
databases

调研方向

从 issue 中显示的 OpenReplicator 连接和 shutdown 序列开始，重点关注为什么第一次连接之后会发生 shutdown 和重复连接。使用已记录的 MySQL binlog 端点复现该行为，并比较生命周期日志；完成的标志是 relay 保持运行，而不是意外 shutdown。

由索引模型根据 Issue 内容生成。

描述

2020-05-27 10:36:17,414 +1222 [main] (INFO) {DatabusRelayMain} done initializing producers
2020-05-27 10:36:17,440 +1248 [main] (INFO) {ServerContainer} Saving port number in /opt/databus/relay/./containerPortNum_1944197119
2020-05-27 10:36:17,440 +1248 [main] (INFO) {ServerContainer} Serving container 1944197119 HTTP listener on port 11115
2020-05-27 10:36:17,440 +1248 [main] (INFO) {DatabusRelayMain} Starting. Producers are :{{"id":1,"name":"ruaho"}=com.linkedin.databus2.producers.OpenReplicatorEventProducer@4f83df68}
2020-05-27 10:36:17,441 +1249 [main] (INFO) {DatabusRelayMain} starting db puller: ruaho
2020-05-27 10:36:17,444 +1252 [main] (INFO) {DatabusRelayMain} db puller started: ruaho
2020-05-27 10:36:17,444 +1252 [main] (INFO) {ServerContainer} Databus service started!
2020-05-27 10:36:17,444 +1252 [main] (INFO) {ServerContainer} waiting for shutdown request for container id: 1944197119
2020-05-27 10:36:17,461 +1269 [OpenReplicator_ruaho] (INFO) {OpenReplicator_ruaho} Connecting to OpenReplicator [email protected]:3306/mysql-bin.000001#4
2020-05-27 10:36:20,710 +4518 [OpenReplicator_ruaho] (INFO) {ORListener_ruaho} Shutdown requested
2020-05-27 10:36:20,710 +4518 [OpenReplicator_ruaho] (INFO) {ORListener_ruaho} Waiting for shutdown uninteruptibly
2020-05-27 10:36:20,710 +4518 [OpenReplicator_ruaho] (INFO) {ORListener_ruaho} Waiting for shutdown
2020-05-27 10:36:20,807 +4615 [ORListener_ruaho] (INFO) {OpenReplicator_ruaho} ORListener Thread done
2020-05-27 10:36:20,808 +4616 [ORListener_ruaho] (INFO) {ORListener_ruaho} Signalling shutdown !!
2020-05-27 10:36:20,808 +4616 [OpenReplicator_ruaho] (INFO) {ORListener_ruaho} Shutdown: true
2020-05-27 10:36:20,808 +4616 [OpenReplicator_ruaho] (INFO) {ORListener_ruaho} Shutdown: true
2020-05-27 10:36:20,808 +4616 [OpenReplicator_ruaho] (INFO) {transactionWriter} Shutdown requested
2020-05-27 10:36:20,808 +4616 [OpenReplicator_ruaho] (INFO) {transactionWriter} Waiting for shutdown uninteruptibly
2020-05-27 10:36:20,808 +4616 [OpenReplicator_ruaho] (INFO) {transactionWriter} Waiting for shutdown
2020-05-27 10:36:20,866 +4674 [transactionWriter] (INFO) {TransactionWriter} transactionWriter thread done!
2020-05-27 10:36:20,866 +4674 [transactionWriter] (INFO) {transactionWriter} Signalling shutdown !!
2020-05-27 10:36:20,866 +4674 [OpenReplicator_ruaho] (INFO) {transactionWriter} Shutdown: true
2020-05-27 10:36:20,866 +4674 [OpenReplicator_ruaho] (INFO) {transactionWriter} Shutdown: true
2020-05-27 10:36:20,867 +4675 [OpenReplicator_ruaho] (INFO) {OpenReplicator_ruaho} Connecting to OpenReplicator [email protected]:3306/mysql-bin.000001#4
2020-05-27 10:36:20,919 +4727 [OpenReplicator_ruaho] (INFO) {OpenReplicator_ruaho} start Open Replicator successfully
2020-05-27 10:36:22,721 +6529 [OpenReplicator_ruaho] (INFO) {ORListener_ruaho} Shutdown requested
2020-05-27 10:36:22,721 +6529 [OpenReplicator_ruaho] (INFO) {ORListener_ruaho} Waiting for shutdown uninteruptibly
2020-05-27 10:36:22,721 +6529 [OpenReplicator_ruaho] (INFO) {ORListener_ruaho} Waiting for shutdown
2020-05-27 10:36:22,721 +6529 [ORListener_ruaho] (INFO) {OpenReplicator_ruaho} ORListener Thread done
2020-05-27 10:36:22,721 +6529 [ORListener_ruaho] (INFO) {ORListener_ruaho} Signalling shutdown !!
2020-05-27 10:36:22,721 +6529 [OpenReplicator_ruaho] (INFO) {ORListener_ruaho} Shutdown: true
2020-05-27 10:36:22,721 +6529 [OpenReplicator_ruaho] (INFO) {ORListener_ruaho} Shutdown: true
2020-05-27 10:36:22,721 +6529 [OpenReplicator_ruaho] (INFO) {transactionWriter} Shutdown requested
2020-05-27 10:36:22,721 +6529 [OpenReplicator_ruaho] (INFO) {transactionWriter} Waiting for shutdown uninteruptibly
2020-05-27 10:36:22,721 +6529 [OpenReplicator_ruaho] (INFO) {transactionWriter} Waiting for shutdown

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Java
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