areyouok opened a new issue #2133: URL: https://github.com/apache/rocketmq/issues/2133
**BUG REPORT** 1. Please describe the issue you observed: After delete a consume group, a lot of transaction check occurs. We find RMQ_SYS_TRANS_OP_HALF_TOPIC be deleted in admin thread in store.log: ``` 2020-06-17 10:45:17 INFO AdminBrokerThread_8 - unmap file[REF:0] /media/ssd1/rocketmq/store/consumequeue/RMQ_SYS_TRANS_OP_HALF_TOPIC/0/00000000001062000000 OK 2020-06-17 10:45:17 INFO AdminBrokerThread_8 - close file channel /media/ssd1/rocketmq/store/consumequeue/RMQ_SYS_TRANS_OP_HALF_TOPIC/0/00000000001062000000 OK 2020-06-17 10:45:17 INFO AdminBrokerThread_8 - delete file[REF:0] /media/ssd1/rocketmq/store/consumequeue/RMQ_SYS_TRANS_OP_HALF_TOPIC/0/00000000001062000000 OK, W:6000000 M:6000000, 8 2020-06-17 10:45:17 INFO AdminBrokerThread_8 - unmap file[REF:0] /media/ssd1/rocketmq/store/consumequeue/RMQ_SYS_TRANS_OP_HALF_TOPIC/0/00000000001068000000 OK 2020-06-17 10:45:17 INFO AdminBrokerThread_8 - close file channel /media/ssd1/rocketmq/store/consumequeue/RMQ_SYS_TRANS_OP_HALF_TOPIC/0/00000000001068000000 OK 2020-06-17 10:45:17 INFO AdminBrokerThread_8 - delete file[REF:0] /media/ssd1/rocketmq/store/consumequeue/RMQ_SYS_TRANS_OP_HALF_TOPIC/0/00000000001068000000 OK, W:6000000 M:6000000, 5 ``` in transaction.log: ``` 2020-06-17 10:46:52 INFO TransactionalMessageCheckService - Begin to check prepare message, begin time:1592362012446 2020-06-17 10:46:52 INFO TransactionalMessageCheckService - Before check, the queue=MessageQueue [topic=RMQ_SYS_TRANS_HALF_TOPIC, brokerName=sc-broker-2, queueId=0] msgOffset=85950343 opOffset=0 2020-06-17 10:46:52 WARN TransactionalMessageCheckService - No new message. GetMessageStatus=OFFSET_OVERFLOW_ONE, topic=RMQ_SYS_TRANS_OP_HALF_TOPIC, groupId=CID_RMQ_SYS_TRANS, requestOffset=2447 2020-06-17 10:46:52 WARN TransactionalMessageCheckService - The miss op offset=2447 in queue=MessageQueue [topic=RMQ_SYS_TRANS_OP_HALF_TOPIC, brokerName=sc-broker-2, queueId=0] is NO_NEW_MSG, pullResult=PullResult [pullStatus=NO_NEW_MSG, nextBeginOffset=2447, minOffset=0, maxOffset=2447, msgFoundList=0] ``` 2. Please tell us about your environment: RocketMQ 4.7.0 ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
