OGG源端info all 命令显示 Lag at Chkpt 状态为 unknown

GGSCI (dwdb01) 10> info all

Program Status Group Lag at Chkpt Time Since Chkpt

MANAGER RUNNING
EXTRACT RUNNING E_CST 00:00:04 00:00:08
EXTRACT RUNNING E_EMP unknown 00:01:34
EXTRACT RUNNING E_GI 00:00:06 00:00:07
EXTRACT RUNNING E_VEHFN 00:00:04 00:00:08
REPLICAT RUNNING R_CST 00:00:00 00:00:06

这种情况可以先lag ext processname 看一下lag具体信息，一般情况是由于源端时钟与ogg服务器时钟不同步造成。