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Posted to dev@pulsar.apache.org by gi...@git.apache.org on 2017/08/03 06:04:26 UTC

[GitHub] rdhabalia opened a new pull request #634: Introduce message-dispatch rate limiting

rdhabalia opened a new pull request #634: Introduce message-dispatch rate limiting
URL: https://github.com/apache/incubator-pulsar/pull/634
 
 
   ### Motivation
   
   As discussed in [PIP](https://github.com/apache/incubator-pulsar/wiki/PIP-3:-Message-dispatch-throttling), adding message-rate limiting to throttle message-dispatching.
   
   ### Modifications
   
   - add rate-limiting while dispatching message for shared and exclusive/failOver subscription.
   - added [RateLimiter](https://github.com/rdhabalia/pulsar/blob/07b0911c22f2a915434dc9c7469f68cde878327d/pulsar-common/src/main/java/org/apache/pulsar/common/util/RateLimiter.java) to [achieve per-second rate-limiting and also faster compare to others.](https://gist.github.com/rdhabalia/324519648b8a1008ef49d30c8f4a8bf2) 
   - admiApi to set msg-rate at namespace and cluster level
   
   ### Result
   
   Broker can throttle message-dispatching at topic level.
   
 
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