doris版本 2.1.3
routine load 的统计信息中有一个 abortedTaskNum，怎么才能知道 这个abroted的原因呢？
Statistic: {"receivedBytes":146295162381648,"runningTxns":[33301260,33301263,33301253,33301255],"errorRows":0,"committedTaskNum":348448,"loadedRows":164853169039,"loadRowsRate":42317,"abortedTaskNum":104440,"errorRowsAfterResumed":0,"totalRows":164853169039,"unselectedRows":0,"receivedBytesRate":37553346,"taskExecuteTimeMs":3895662436}
