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| author | Björn Gustavsson <[email protected]> | 2017-02-03 13:27:09 +0100 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2017-02-03 13:31:24 +0100 |
| commit | 5f7f86be7bc7ec7a1c9b0042ff08254dca063d76 (patch) | |
| tree | d69acb9beded0e43b760222f90719f260029118b /lib/kernel/src/error_logger.erl | |
| parent | ea530357b27635278ae8a3260e735ea39df5c283 (diff) | |
| download | otp-5f7f86be7bc7ec7a1c9b0042ff08254dca063d76.tar.gz otp-5f7f86be7bc7ec7a1c9b0042ff08254dca063d76.tar.bz2 otp-5f7f86be7bc7ec7a1c9b0042ff08254dca063d76.zip | |
Store messages for 'rex' and 'error_logger' off heap
Performance for processes that receive huge amounts of
messages can be increased by storing the incoming messages
outside the heap (that avoids copying the message in a
garbage collection).
Two OTP processes that are known to receive many messages
are 'rex' (used by 'rpc') and 'error_logger'.
Diffstat (limited to 'lib/kernel/src/error_logger.erl')
| -rw-r--r-- | lib/kernel/src/error_logger.erl | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/kernel/src/error_logger.erl b/lib/kernel/src/error_logger.erl index 3523f680a3..3ee8e2c6e6 100644 --- a/lib/kernel/src/error_logger.erl +++ b/lib/kernel/src/error_logger.erl @@ -360,8 +360,12 @@ init(Max) when is_integer(Max) -> %% go back. init({go_back, _PostState}) -> {ok, {?buffer_size, 0, []}}; -init(_) -> %% Start and just relay to other - {ok, []}. %% node if node(GLeader) =/= node(). +init(_) -> + %% The error logger process may receive a huge amount of + %% messages. Make sure that they are stored off heap to + %% avoid exessive GCs. + process_flag(message_queue_data, off_heap), + {ok, []}. -spec handle_event(term(), state()) -> {'ok', state()}. |