On 2019-07-01 10:11, Veiko Kukk wrote:
Sometimes (infrequently) all external checks hang and time out:
* Has happened with versions 1.9.4 and 1.9.8 on multiple servers with
nbproc 1 and nbthread set to (4-12) depending on server.
* Happens infrequently, last one happened after 10 days of uptime.
* External checks are written in python and write errors into their
own log file directly. When hanging happens, nothing is logged by
* Only external checks fail, common 'option httpcheck' does not fail
at the same time.
Might be useful to add that reload helps to get over, external health
checks start working again.