Pavan Kumar created GIRAPH-840:
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Summary: Upgrade to netty 4
Key: GIRAPH-840
URL: https://issues.apache.org/jira/browse/GIRAPH-840
Project: Giraph
Issue Type: Improvement
Reporter: Pavan Kumar
Assignee: Pavan Kumar
Off late netty 4 has earned so much praise in the community. For example,
https://blog.twitter.com/2013/netty-4-at-twitter-reduced-gc-overhead
A switch to netty 4 enables a significant reduction in gc pressure and also
huge performance gains. I started working on this last Sunday and have a patch
that shows performance gains on the order of 15-25% (total execution time) for
some applications at Facebook. However, I only tested it with hadoop_facebook.
So there might be issues with SASL path.
I will release the patch today and want to open up a discussion if anyone is
using the secure feature anymore. If not we can just deprecate it.
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