Wei Deng created CASSANDRA-10901:
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Summary: Per client TCP/IP connection quota
Key: CASSANDRA-10901
URL: https://issues.apache.org/jira/browse/CASSANDRA-10901
Project: Cassandra
Issue Type: New Feature
Components: Coordination
Reporter: Wei Deng
Now that we started working on CASSANDRA-9318, could we also consider pushing
it one step further to accommodate some per user/session quota? This will be
useful in a multi-tenant Cassandra deployment.
My intention is to keep it simple, i.e. only enforcing quota at the node level,
with protocol v3+ most likely you only need one TCP/IP connection (to
accommodate 32K stream ids) so just enforcing some sort of in-flight request
limit based on each TCP/IP connection looks good enough for me; if any client
would ever need to add another TCP/IP connection (as they run out of the 32k
stream ids), there should be no limit/quota existing on them already before
that's allowed (the assumption here is that each client is connected to the
cluster using only one Cassandra user).
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