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| -rw-r--r-- | doc/release-notes-14060.md | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/doc/release-notes-14060.md b/doc/release-notes-14060.md new file mode 100644 index 0000000000..2cc5ab49fb --- /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. |