whats with sudden needs for &quot;flexible open-source realtime server with pubsub&quot; 
referring to <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=11071916" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=11071916</a>
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