Many services in Linux support reload action to make new parameter file take effect online without restarts. For example,
[oracle@test ~]$ systemctl reload httpd.service
In the same concept, we can also reload GoldenGate Manager parameter online without interrupting EXTRACT, PUMP or REPLICAT working process.
GGSCI (chicago) 6> refresh mgr
Sending REFRESH request to MANAGER ...
Mgr Params Updated
Then, we should check the new working parameter of manager.
GGSCI (chicago) 7> view param mgr
PORT 7809
userid ogg@orcl, password xxxxxx
autostart er *
purgeoldextracts ./dirdat/*, usecheckpoints, minkeepfiles 100
PURGEMARKERHISTORY MINKEEPDAYS 5, MAXKEEPDAYS 7, FREQUENCYHOURS 24
PURGEDDLHISTORY MINKEEPDAYS 5, MAXKEEPDAYS 7, FREQUENCYHOURS 24