final int maps = jobdesc.getNumberMaps();
for (int i = 0; i < maps; ++i) {
final int nSpec = reds / maps + ((reds % maps) > i ? 1 : 0);
final long[] redDurations = new long[nSpec];
for (int j = 0; j < nSpec; ++j) {
final ReduceTaskAttemptInfo info =
(ReduceTaskAttemptInfo) getSuccessfulAttemptInfo(TaskType.REDUCE,
i + j * maps);
// Include only merge/reduce time
redDurations[j] = Math.min(reduceMaxSleepTime, info.getMergeRuntime()
+ info.getReduceRuntime());
if (LOG.isDebugEnabled()) {
LOG.debug(
String.format(
"SPEC(%d) %d -> %d %d/%d", id(), i, i + j * maps, redDurations[j],
info.getRuntime()));
}
}
final TaskAttemptInfo info = getSuccessfulAttemptInfo(TaskType.MAP, i);
ArrayList<String> locations = new ArrayList<String>(fakeLocations);
if (fakeLocations > 0) {
selector.reset();
}
for (int k=0; k<fakeLocations; ++k) {
int index = selector.next();
if (index < 0) break;
locations.add(hosts[index]);
}
splits.add(new SleepSplit(i,
Math.min(info.getRuntime(), mapMaxSleepTime), redDurations, maps,
locations.toArray(new String[locations.size()]))); }
pushDescription(id(), splits);
}