@Override
protected void onPreExecute() {
Thread.currentThread().setPriority(Thread.MAX_PRIORITY);
Log.d(TAG, "threads: " + Thread.activeCount());
super.onPreExecute();
Log.d(TAG, "onPreExecute");
}
private static void ignoreAndWait(final Exception e, boolean printException) {
H2O.ignore(e, "Hit HDFS reset problem, retrying...", printException);
try {
Thread.sleep(500);
} catch (InterruptedException ie) {
}
}
/**
* Block synchronously waiting for a job to end, success or not.
*
* @param jobkey Job to wait for.
* @param pollingIntervalMillis Polling interval sleep time.
*/
public static void waitUntilJobEnded(Key jobkey, int pollingIntervalMillis) {
while (true) {
if (Job.isEnded(jobkey)) {
return;
}
try {
Thread.sleep(pollingIntervalMillis);
} catch (Exception ignore) {
}
}
}
public static InputStream openStream(Key k, ProgressMonitor pmon) throws IOException {
H2OHdfsInputStream res = null;
Path p = new Path(k.toString());
try {
res = new H2OHdfsInputStream(p, 0, pmon);
} catch (IOException e) {
try {
Thread.sleep(1000);
} catch (Exception ex) {
}
Log.warn("Error while opening HDFS key " + k.toString() + ", will wait and retry.");
res = new H2OHdfsInputStream(p, 0, pmon);
}
return res;
}
