fix: set fullsweep_after=20 to gen_rpc_client and gen_rpc_acceptor #5
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These two processes receive tons of messages, process them and discard
them.
From the Erlang docs:
A few cases when it can be useful to change fullsweep_after:
* If binaries that are no longer used are to be thrown away as soon as possible. (Set Number to zero.)
* A process that mostly have short-lived data is fullsweeped seldom or never, that is, the old heap contains mostly garbage. To ensure a fullsweep occasionally, set Number to a suitable value, such as 10 or 20.
* In embedded systems with a limited amount of RAM and no virtual memory, you might want to preserve memory by setting Number to zero. (The value can be set globally, see erlang:system_flag/2.)
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These two processes receive tons of messages, process them and discard them.
From the Erlang docs: