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[Bug] binlog load resume throws exception because txn exceeds max_running_txn_num_per_db #9468

@hf200012

Description

@hf200012

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  • I had searched in the issues and found no similar issues.

Version

1.0

What's Wrong?

2022-05-09 15:47:23,204 ERROR (Thread-95|192) [CanalSyncChannel.submit():258] encounter exception when submit in channel 94287, table: points_transaction_detail, batch: 81361
org.apache.doris.transaction.BeginTransactionException: errCode = 2, detailMessage = current running txns on db 81866 is 100, larger than limit 100
at org.apache.doris.transaction.DatabaseTransactionMgr.checkRunningTxnExceedLimit(DatabaseTransactionMgr.java:1454) ~[palo-fe.jar:0.15-SNAPSHOT]
at org.apache.doris.transaction.DatabaseTransactionMgr.beginTransaction(DatabaseTransactionMgr.java:300) ~[palo-fe.jar:0.15-SNAPSHOT]
at org.apache.doris.transaction.GlobalTransactionMgr.beginTransaction(GlobalTransactionMgr.java:143) ~[palo-fe.jar:0.15-SNAPSHOT]
at org.apache.doris.transaction.GlobalTransactionMgr.beginTransaction(GlobalTransactionMgr.java:109) ~[palo-fe.jar:0.15-SNAPSHOT]
at org.apache.doris.load.sync.canal.CanalSyncChannel.beginTxn(CanalSyncChannel.java:129) ~[palo-fe.jar:0.15-SNAPSHOT]
at org.apache.doris.load.sync.canal.CanalSyncChannel.submit(CanalSyncChannel.java:247) [palo-fe.jar:0.15-SNAPSHOT]
at org.apache.doris.load.sync.canal.CanalSyncDataConsumer.executeOneBatch(CanalSyncDataConsumer.java:351) [palo-fe.jar:0.15-SNAPSHOT]
at org.apache.doris.load.sync.canal.CanalSyncDataConsumer.process(CanalSyncDataConsumer.java:221) [palo-fe.jar:0.15-SNAPSHOT]
at org.apache.doris.load.sync.SyncLifeCycle$2.run(SyncLifeCycle.java:48) [palo-fe.jar:0.15-SNAPSHOT]
at java.lang.Thread.run(Thread.java:834) [?:?]
2022-05-09 15:47:23,292 ERROR (Thread-95|192) [CanalSyncDataConsumer.executeOneBatch():366] execute event has an error, data: header {
version: 1
logfileName: "bin.000034"
logfileOffset: 831462819
serverId: 1433116
serverenCode: "UTF-8"
executeTime: 1652068750000
sourceType: MYSQL
schemaName: "points_sharding_02"
tableName: "points_transaction_detail"
eventLength: 284
eventType: INSERT
props {
key: "rowsCount"
value: "1"
}
}

What You Expected?

If it exceeds the default value, prompt the user with a message

How to Reproduce?

No response

Anything Else?

No response

Are you willing to submit PR?

  • Yes I am willing to submit a PR!

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