alarm_template_id=0:ob_cluster=myocp-1787295191:host=xxxx OBServer 非预期的内部错误
[OBServer 非预期的内部错误] 集群：myocp，主机：xxxx，日志类型：observer，日志文件：/home/admin/oceanbase/log/observer.log，日志级别：ERROR，关键字=Unexpected internal error happen，错误码=4388，日志详情=[2026-09-07 02:00:37.955190] ERROR issue_dba_error (ob_log.cpp:1875) [3343397][TimezoneMgr][T1][YB42AC1424D6-00065A532D1F3D23-0-0] [lt=54][errcode=-4388] Unexpected internal error happen, please checkout the internal errcode(errcode=-4009, file=“ob_tx_data_functor.cpp”, line_no=391, info=“unexpected io error”)。