Ufuk Celebi created FLINK-971:
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Summary: Configure Netty ByteBufAllocator instead of using the
default configuration
Key: FLINK-971
URL: https://issues.apache.org/jira/browse/FLINK-971
Project: Flink
Issue Type: Improvement
Components: Distributed Runtime
Affects Versions: pre-apache-0.5.1
Reporter: Ufuk Celebi
Priority: Minor
{{NettyConnectionManager}} uses the {{PooledByteBufAllocator.DEFAULT}}
allocator, which allocates unnecessary heap arenas, which are never used. Also,
the page size is smaller than our buffer size (+ headers etc.), which results
in page-boundery crossing allocations.
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