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HBASE-12271 Add counters for files skipped during snapshot export 

Add counters for skipped files

Signed-off-by: Elliott Clark <eclark@apache.org>
This commit is contained in:
Patrick White 2014-10-09 12:41:35 -07:00 committed by Elliott Clark
parent f9c534bac3
commit ba20d4df8c
1 changed files with 10 additions and 1 deletions
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11
hbase-server/src/main/java/org/apache/hadoop/hbase/snapshot/ExportSnapshot.java
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@ -113,7 +113,10 @@ public class ExportSnapshot extends Configured implements Tool {
private static final String INPUT_FOLDER_PREFIX = "export-files.";
// Export Map-Reduce Counters, to keep track of the progress
public enum Counter { MISSING_FILES, COPY_FAILED, BYTES_EXPECTED, BYTES_COPIED, FILES_COPIED };
public enum Counter {
MISSING_FILES, FILES_COPIED, FILES_SKIPPED, COPY_FAILED,
BYTES_EXPECTED, BYTES_SKIPPED, BYTES_COPIED
}
private static class ExportMapper extends Mapper<BytesWritable, NullWritable,
NullWritable, NullWritable> {
@ -169,6 +172,10 @@ public class ExportSnapshot extends Configured implements Tool {
int defaultBlockSize = Math.max((int) outputFs.getDefaultBlockSize(outputRoot), BUFFER_SIZE);
bufferSize = conf.getInt(CONF_BUFFER_SIZE, defaultBlockSize);
LOG.info("Using bufferSize=" + StringUtils.humanReadableInt(bufferSize));
for (Counter c : Counter.values()) {
context.getCounter(c).increment(0);
}
}
@Override
@ -242,6 +249,8 @@ public class ExportSnapshot extends Configured implements Tool {
FileStatus outputStat = outputFs.getFileStatus(outputPath);
if (outputStat != null && sameFile(inputStat, outputStat)) {
LOG.info("Skip copy " + inputStat.getPath() + " to " + outputPath + ", same file.");
context.getCounter(Counter.FILES_SKIPPED).increment(1);
context.getCounter(Counter.BYTES_SKIPPED).increment(inputStat.getLen());
return;
}
}