We&#x27;ve also had memory leaks - not sure of the exact issue, but it&#x27;s related to large scale reconnects. <a href="https:&#x2F;&#x2F;github.com&#x2F;zeromq&#x2F;libzmq&#x2F;issues&#x2F;1256" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;zeromq&#x2F;libzmq&#x2F;issues&#x2F;1256</a>