From 86cddf0856dc56fabba250254cd6c0745be69eb7 Mon Sep 17 00:00:00 2001 From: mruddy <6440430+mruddy@users.noreply.github.com> Date: Sat, 10 Nov 2018 10:25:27 -0500 Subject: [PATCH] doc: add detached release notes for #14060 --- doc/release-notes-14060.md | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 doc/release-notes-14060.md diff --git a/doc/release-notes-14060.md b/doc/release-notes-14060.md new file mode 100644 index 00000000000..2cc5ab49fbf --- /dev/null +++ b/doc/release-notes-14060.md @@ -0,0 +1,21 @@ +Configuration +------------- + +The outbound message high water mark of the ZMQ PUB sockets are now +configurable via the options: + +`-zmqpubhashtxhwm=n` + +`-zmqpubhashblockhwm=n` + +`-zmqpubrawblockhwm=n` + +`-zmqpubrawtxhwm=n` + +Each high water mark value must be an integer greater than or equal to 0. +The high water mark limits the maximum number of messages that ZMQ will +queue in memory for any single subscriber. A value of 0 means no limit. +When not specified, the default value continues to be 1000. +When a ZMQ PUB socket reaches its high water mark for a subscriber, then +additional messages to the subscriber are dropped until the number of +queued messages again falls below the high water mark value.