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Owen O'Malley commented on HADOOP-2342: --------------------------------------- The numbers I'm seeing for reads and writes on 10GB are: Raw Local FS write: 152 read: 79 Local FS write: 203 read: 78 mini-DFS write: 269 read: 134 which suggests that writing checksums is pretty expensive and that HADOOP-2144 is reproducible. > create a micro-benchmark for measure local-file versus hdfs read > ---------------------------------------------------------------- > > Key: HADOOP-2342 > URL: https://issues.apache.org/jira/browse/HADOOP-2342 > Project: Hadoop > Issue Type: Test > Components: dfs > Reporter: Owen O'Malley > Assignee: Owen O'Malley > Fix For: 0.16.0 > > > We should have a benchmark that measures reading a 10g file from hdfs and > from local disk. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.