The counter names are created dynamically in mapred.Task /** * Counters to measure the usage of the different file systems. * Always return the String array with two elements. First one is the name of * BYTES_READ counter and second one is of the BYTES_WRITTEN counter. */ protected static String[] getFileSystemCounterNames(String uriScheme) { String scheme = uriScheme.toUpperCase(); return new String[]{scheme+"_BYTES_READ", scheme+"_BYTES_WRITTEN"}; }
On Tue, Oct 4, 2011 at 17:22, W.P. McNeill <bill...@gmail.com> wrote: > Here's an even more basic question. I tried to figure out what > the FILE_BYTES_READ means by searching every file in the hadoop 0.20.203.0 > installation for the string FILE_BYTES_READ installation by running > > find . -type f | xargs grep FILE_BYTES_READ > > I only found this string in source files in vaidya contributor directory and > the tools/rumen directories. Nothing in the main source base. > > Where in the source code are these counters created and updated? >