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erlang
3251-Remove-potential-lag-from-mnesia_log-log-s...
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File 3251-Remove-potential-lag-from-mnesia_log-log-slog-functi.patch of Package erlang
From 06d0780402f8309ce2ae30f01ca660efa24f37c4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Sebastian=20Smyczy=C5=84ski?= <s.smyczynski@simplito.com> Date: Fri, 27 Nov 2020 22:54:27 +0100 Subject: [PATCH] Remove potential lag from mnesia_log:log/slog functions --- lib/mnesia/src/mnesia_dumper.erl | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/lib/mnesia/src/mnesia_dumper.erl b/lib/mnesia/src/mnesia_dumper.erl index 0a815b709a..1264efeb68 100644 --- a/lib/mnesia/src/mnesia_dumper.erl +++ b/lib/mnesia/src/mnesia_dumper.erl @@ -68,7 +68,10 @@ incr_log_writes() -> Left = mnesia_lib:incr_counter(trans_log_writes_left, -1), if Left =:= 0 -> - adjust_log_writes(true); + %% It doesn't matter which process adjusts counters and sends + %% cast to a dumper so to avoid potential lag on global:set_lock + %% we delegate it to new process + spawn(fun() -> adjust_log_writes(true) end); true -> ignore end. -- 2.26.2
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