From 283ff70372cddb8b06ca3b2c5e7b8287f81207a9 Mon Sep 17 00:00:00 2001 From: rpm-build Date: Fri, 30 Jul 2021 12:38:27 +0800 Subject: [PATCH] set kernel.core_pipe_limit=16 https://github.com/poettering/systemd/commit/8444f245b56d085cdcfa788e9b9c7799fc58a46b --- sysctl.d/50-coredump.conf.in | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/sysctl.d/50-coredump.conf.in b/sysctl.d/50-coredump.conf.in index 47bf847..327863d 100644 --- a/sysctl.d/50-coredump.conf.in +++ b/sysctl.d/50-coredump.conf.in @@ -10,3 +10,14 @@ # setting below. kernel.core_pattern=|@rootlibexecdir@/systemd-coredump %P %u %g %s %t %c %h + +# Allow that 16 coredumps are dispatched in parallel by the kernel. We want to +# be able to collect process metadata from /proc/%P/ while processing +# coredumps, and thus need to make sure the crashed processes are not reaped +# until we finished collecting what we need. The kernel default for this sysctl +# is "0" which means the kernel doesn't wait for userspace processes to finish +# processing before reaping the crashed processes — by setting this higher the +# kernel will delay reaping until we are done, but only for the specified +# number of crashes in parallel. The value of 16 is chosen to match +# systemd-coredump.socket's MaxConnections= value. +kernel.core_pipe_limit=16 -- 2.27.0