Per-connection network throttling to improve QoS
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Key: ZOOKEEPER-1447
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1447
Project: ZooKeeper
Issue Type: Improvement
Components: server
Affects Versions: 3.4.3
Reporter: Thawan Kooburat
Some clients maybe a heavy bandwidth user. It is possible for the total network
traffic to reach NIC capacity and service quality start to degrade. We don't
want these clients to affect the QoS of other clients sharing the same server.
In this improvement, we are going to add per-connection throttling mechanism
which will slow down the network activity of clients with high bandwidth usage.
We will add configurable parameter to limit maximum bandwidth which will be
used to serve client requests. All client get equal amount of bandwidth when
system approach its network capacity limit. When the system in under-utilize,
throttling has no effect.
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