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TRIGGER GC
Triggers the garbage collector on the source aggregator and propagates to all the leaves.
Syntax
TRIGGER <n> GC [FLUSH]
Arguments
FLUSH
: Releases all unused memory back to the operating system.n
: Specifies the number of passes of the GC to run. In practice, always use 3 passes of the GC.
Remarks
- This command can be run on any aggregator.
- Only users with
SUPER
privileges can run this command.
Examples
TRIGGER 3 GC FLUSH;