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[HDFS-4710] Turning off HDFS short-circuit checksums unexpectedly slows down Hive - HDFS - [issue]
...When short-circuit reads are on, HDFS client slows down when checksums are turned off.With checksums on, the query takes 45.341 seconds and with it turned off, it takes 56.345 seconds. This ...
http://issues.apache.org/jira/browse/HDFS-4710    Author: Gopal V, 2013-04-24, 22:21
[HDFS-4070] DFSClient ignores bufferSize argument & always performs small writes - HDFS - [issue]
...The following code illustrates the issue at hand protected void map(LongWritable offset, Text value, Context context)             throws IOException, Inte...
http://issues.apache.org/jira/browse/HDFS-4070    Author: Gopal V, 2012-11-26, 18:17
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