From 677a1b0ea761ef448479d36690d8d6c5b13e25b4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= Date: Wed, 26 Jan 2022 12:30:03 +0100 Subject: OTP-22.3.4.24 --- release-notes/OTP-22.3.4.24.README.txt | 101 +++++++++++++++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 release-notes/OTP-22.3.4.24.README.txt (limited to 'release-notes/OTP-22.3.4.24.README.txt') diff --git a/release-notes/OTP-22.3.4.24.README.txt b/release-notes/OTP-22.3.4.24.README.txt new file mode 100644 index 0000000..0acde48 --- /dev/null +++ b/release-notes/OTP-22.3.4.24.README.txt @@ -0,0 +1,101 @@ +Patch Package: OTP 22.3.4.24 +Git Tag: OTP-22.3.4.24 +Date: 2021-12-21 +Trouble Report Id: OTP-17796 +Seq num: ERIERL-729 +System: OTP +Release: 22 +Application: erts-10.7.2.16 +Predecessor: OTP 22.3.4.23 + + Check out the git tag OTP-22.3.4.24, and build a full OTP system + including documentation. Apply one or more applications from this + build as patches to your installation using the 'otp_patch_apply' + tool. For information on install requirements, see descriptions for + each application version below. + + --------------------------------------------------------------------- + --- HIGHLIGHTS ------------------------------------------------------ + --------------------------------------------------------------------- + + OTP-17796 Application(s): erts + Related Id(s): ERIERL-729, PR-5473 + + Responsiveness of processes executing on normal or low + priority could suffer due to code purging or literal + area removal on systems with a huge amount of + processes. This since during these operations all + processes on the system were scheduled for execution at + once. + + This problem has been fixed by introducing a limit on + outstanding purge and copy literal requests in the + system. By default this limit is set to twice the + amount of schedulers on the system. This will ensure + that schedulers will have enough work scheduled to + perform these operations as quickly as possible at the + same time as other work will be interleaved to a much + higher degree. Performance of these operations will + however be somewhat degraded due to the overhead of + enforcing this limit compared to when using a very + large limit. + + This limit can be set by passing the +zosrl command + line argument to erl, or by calling + erlang:system_flag(outstanding_system_requests_limit, + NewLimit). + + + --------------------------------------------------------------------- + --- erts-10.7.2.16 -------------------------------------------------- + --------------------------------------------------------------------- + + Note! The erts-10.7.2.16 application *cannot* be applied + independently of other applications on an arbitrary OTP 22 + installation. + + On a full OTP 22 installation, also the following runtime + dependency has to be satisfied: + -- kernel-6.5.1 (first satisfied in OTP 22.2) + + + --- Improvements and New Features --- + + OTP-17796 Application(s): erts + Related Id(s): ERIERL-729, PR-5473 + + *** HIGHLIGHT *** + + Responsiveness of processes executing on normal or low + priority could suffer due to code purging or literal + area removal on systems with a huge amount of + processes. This since during these operations all + processes on the system were scheduled for execution at + once. + + This problem has been fixed by introducing a limit on + outstanding purge and copy literal requests in the + system. By default this limit is set to twice the + amount of schedulers on the system. This will ensure + that schedulers will have enough work scheduled to + perform these operations as quickly as possible at the + same time as other work will be interleaved to a much + higher degree. Performance of these operations will + however be somewhat degraded due to the overhead of + enforcing this limit compared to when using a very + large limit. + + This limit can be set by passing the +zosrl command + line argument to erl, or by calling + erlang:system_flag(outstanding_system_requests_limit, + NewLimit). + + + Full runtime dependencies of erts-10.7.2.16: kernel-6.5.1, sasl-3.3, + stdlib-3.5 + + + --------------------------------------------------------------------- + --------------------------------------------------------------------- + --------------------------------------------------------------------- + -- cgit v1.2.3