From 96aba63465135d5e2537b42e5167b2863957915c Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Thu, 1 Mar 2018 17:56:01 +0100 Subject: erts: Postpone idle DistEntry until abort is completed --- erts/emulator/beam/dist.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'erts/emulator/beam/dist.c') diff --git a/erts/emulator/beam/dist.c b/erts/emulator/beam/dist.c index f5491fd92a..cd799e04b8 100644 --- a/erts/emulator/beam/dist.c +++ b/erts/emulator/beam/dist.c @@ -3630,6 +3630,17 @@ static Sint abort_connection(DistEntry* dep, Uint32 conn_id) delete_cache(cache); free_de_out_queues(dep, obuf); + + /* + * We wait to make DistEntry idle and accept new connection attempts + * until all is cleared and deallocated. This to get some back pressure + * against repeated failing connection attempts saturating all CPUs + * with cleanup jobs. + */ + erts_de_rwlock(dep); + ASSERT(dep->state == ERTS_DE_STATE_EXITING); + dep->state = ERTS_DE_STATE_IDLE; + erts_de_rwunlock(dep); return reds; } erts_de_rwunlock(dep); -- cgit v1.2.3