Hello, I'm trying to implement heart beat monitoring inspired by [1] and run into the following problem. As long as heart beat provider replies to the requests everything runs smoothly. But when it goes dark I see steadily increasing CPU load on the heart beat monitor side. In 20 seconds or so the monitor consumes all CPU it can squeeze out of the system. After few minutes it eventually crashes with "Too many open files" error.
I did a minimal example with sending a request to a dead REP socket and polling for the reply. When the polling times out I close the socket and create a new one to try once more. This is essentially what my monitor does when the provider is offline [2]. And I see exactly the same behavior on this sample. Is this expected behavior? Do I do something wrong? Some information about the platform: ZeroMQ 4.2.2, Linux, ARM64. [1] http://zguide.zeromq.org/page:all#Heartbeating-for-Paranoid-Pirate [2] https://pastebin.com/iqx3JsTV Regards, Mykola
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