@SuppressWarnings("unchecked")
public static synchronized void syncLogs(
String logLocation, TaskAttemptID taskid, boolean isCleanup, boolean segmented)
throws IOException {
System.out.flush();
System.err.flush();
Enumeration<Logger> allLoggers = LogManager.getCurrentLoggers();
while (allLoggers.hasMoreElements()) {
Logger l = allLoggers.nextElement();
Enumeration<Appender> allAppenders = l.getAllAppenders();
while (allAppenders.hasMoreElements()) {
Appender a = allAppenders.nextElement();
if (a instanceof TaskLogAppender) {
((TaskLogAppender) a).flush();
}
}
}
if (currentTaskid == null) {
currentTaskid = taskid;
}
// set start and end
for (LogName logName : LOGS_TRACKED_BY_INDEX_FILES) {
if (currentTaskid != taskid) {
// Set start = current-end
logLengths.get(logName)[0] =
Long.valueOf(new File(logLocation, logName.toString()).length());
}
// Set current end
logLengths.get(logName)[1] =
(segmented ? (Long.valueOf(new File(logLocation, logName.toString()).length())) : -1);
}
if (currentTaskid != taskid) {
if (currentTaskid != null) {
LOG.info(
"Starting logging for a new task "
+ taskid
+ " in the same JVM as that of the first task "
+ logLocation);
}
currentTaskid = taskid;
}
writeToIndexFile(logLocation, taskid, isCleanup, logLengths);
}
