Statistic: {"receivedBytes":651488,"runningTxns":[],"errorRows":3503,"committedTaskNum":1600,"loadedRows":42031,"loadRowsRate":0,"abortedTaskNum":0,"errorRowsAfterResumed":0,"totalRows":45534,"unselectedRows":0,"receivedBytesRate":6,"taskExecuteTimeMs":100340273}
Progress: {"0":"8277","1":"OFFSET_END","2":"8277","3":"8281","4":"8277","5":"8276","6":"OFFSET_END","7":"8281","8":"OFFSET_END"}
Lag: {"0":0,"1":123,"2":0,"3":0,"4":0,"5":0,"6":122,"7":0,"8":8284}
分区1，6，8数据未消费，从lag看有数据积压
-------------be 日志--------------
33486 data_consumer_group.cpp:128] consumer group done: 6340d0ebb2fe8a2c-faead6dea5087092. consume time(ms)=500, received rows=0, received bytes=0, eos: 1, left_time: 9500, left_rows: 200000, left_bytes: 209710000, blocking get time(us): 500260, blocking put time(us): 0, id=c116474162e44967-842f947939fc264f, job_id=2755905, txn_id=10912712, label=test_routine_load-2755905-c116474162e44967-842f947939fc264f-10912712, elapse(s)=0
task耗时500ms，但是没有读取到数据，因为left_rows: 200000
