gpr
Hi. I have the following task:
I have a server, which support subscription to different topics. One connection supports subscription for up to some limited number of topics, say 1000. I want to subscribe to, say, up to 10000 topics, so I use pool of up to 10 connections. Connections can fail and be restarted. The task is to distribute topics between connections and I would like to avoid manual tracking of which topic belongs to which connection. If number of subscribed topics is low, I would like to migrate topics between connections and shutdown some connections.
If I abstract from topics/connections, task sounds like distributing keys (topics) between processes with some configuration of limits, migration strategy, etc. I’m doing it manually now, but code is more complex than I wanted it to be, and I’m wondering, if there are some libraries in erlang/elixir which support such key distribution algorithms.
ANy suggestions are welcome.
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dmitrykleymenov
I’m not completely sure what you mean, but if i’ve understood correctly, consistent hashing is what you need. If so, this may help.