Running the Periodic Distributed Garbage Collection
The periodic DGC can be run in any of the following ways:
-
run-dgc shell script - Call the run-dgc shell script to trigger DGC externally.
-
JMX - Trigger DGC through the server's JMX management interface.
By default, DGC is disabled in the Terracotta configuration file in the
<garbage-collection>
section. However, even if
disabled, it will run automatically under certain circumstances when clearing
garbage is necessary but the inline DGC does not run (such as when a crashed
server returns to the cluster).