
Hadoop: Java Communication Benchmark
• Sockets level ping-pong bandwidth test
• Java performance depends on usage of NIO (allocateDirect)
• C and Java versions of the benchmark have similar performance
• HDFS does not use direct allocated blocks or NIO on DataNode
S. Sur, H. Wang, J. Huang, X. Ouyang and D. K. Panda
“Can High-Performance
Interconnects Benefit Hadoop Distributed File System?”
, MASVDC „10 in conjunction with
MICRO 2010, Atlanta, GA.
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