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119 lines
3.6 KiB
Plaintext
119 lines
3.6 KiB
Plaintext
######################################################################
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## Erlang VM Args for EMQ X Broker
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######################################################################
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## NOTE:
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##
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## Arguments configured in this file might be overridden by configs from `emqx.conf`.
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##
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## Some basic VM arguments are to be configured in `emqx.conf`,
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## such as `node.name` for `-name` and `node.cooke` for `-setcookie`.
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## Sets the maximum number of simultaneously existing processes for this system.
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+P 2097152
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## Sets the maximum number of simultaneously existing ports for this system.
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+Q 1048576
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## Sets the maximum number of ETS tables
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+e 262144
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## Sets the maximum number of atoms the virtual machine can handle.
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#+t 1048576
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## Set the location of crash dumps
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#-env ERL_CRASH_DUMP {{ platform_log_dir }}/crash.dump
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## Set how many times generational garbages collections can be done without
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## forcing a fullsweep collection.
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-env ERL_FULLSWEEP_AFTER 1000
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## Heartbeat management; auto-restarts VM if it dies or becomes unresponsive
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## (Disabled by default..use with caution!)
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#-heart
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## Specify the erlang distributed protocol.
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## Can be one of: inet_tcp, inet6_tcp, inet_tls
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#-proto_dist inet_tcp
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## Specify SSL Options in the file if using SSL for Erlang Distribution.
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## Used only when -proto_dist set to inet_tls
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#-ssl_dist_optfile {{ platform_etc_dir }}/ssl_dist.conf
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## Specifies the net_kernel tick time in seconds.
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## This is the approximate time a connected node may be unresponsive until
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## it is considered down and thereby disconnected.
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-kernel net_ticktime 120
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## Sets the distribution buffer busy limit (dist_buf_busy_limit).
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#+zdbbl 8192
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## Sets default scheduler hint for port parallelism.
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+spp true
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## Sets the number of threads in async thread pool. Valid range is 0-1024.
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## Increase the parameter if there are many simultaneous file I/O operations.
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+A 4
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## Sets the default heap size of processes to the size Size.
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#+hms 233
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## Sets the default binary virtual heap size of processes to the size Size.
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#+hmbs 46422
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## Sets the default maximum heap size of processes to the size Size.
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## Defaults to 0, which means that no maximum heap size is used.
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##For more information, see process_flag(max_heap_size, MaxHeapSize).
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#+hmax 0
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## Sets the default value for process flag message_queue_data. Defaults to on_heap.
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#+hmqd on_heap | off_heap
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## Sets the number of IO pollsets to use when polling for I/O.
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#+IOp 1
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## Sets the number of IO poll threads to use when polling for I/O.
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## Increase this for the busy systems with many concurrent connection.
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+IOt 4
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## Sets the number of scheduler threads to create and scheduler threads to set online.
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#+S 8:8
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## Sets the number of dirty CPU scheduler threads to create and dirty CPU scheduler threads to set online.
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#+SDcpu 8:8
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## Sets the number of dirty I/O scheduler threads to create.
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+SDio 8
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## Suggested stack size, in kilowords, for scheduler threads.
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#+sss 32
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## Suggested stack size, in kilowords, for dirty CPU scheduler threads.
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#+sssdcpu 40
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## Suggested stack size, in kilowords, for dirty IO scheduler threads.
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#+sssdio 40
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## Sets scheduler bind type.
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## Can be one of: u, ns, ts, ps, s, nnts, nnps, tnnps, db
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#+sbt db
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## Sets a user-defined CPU topology.
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#+sct L0-3c0-3p0N0:L4-7c0-3p1N1
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## Sets the mapping of warning messages for error_logger
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#+W w
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## Sets time warp mode: no_time_warp | single_time_warp | multi_time_warp
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#+C no_time_warp
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## Prevents loading information about source filenames and line numbers.
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#+L
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## Specifies how long time (in milliseconds) to spend shutting down the system.
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## See: http://erlang.org/doc/man/erl.html
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-shutdown_time 30000
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## patches dir
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-pa {{ platform_data_dir }}/patches
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