@Override
protected void storeApplicationAttemptStateInternal(
ApplicationAttemptId attemptId, ApplicationAttemptStateData attemptStateData)
throws IOException {
String key = getApplicationAttemptNodeKey(attemptId);
if (LOG.isDebugEnabled()) {
LOG.debug("Storing state for attempt " + attemptId + " at " + key);
}
try {
db.put(bytes(key), attemptStateData.getProto().toByteArray());
} catch (DBException e) {
throw new IOException(e);
}
}
@Override
public synchronized void updateApplicationAttemptStateInternal(
ApplicationAttemptId appAttemptId, ApplicationAttemptStateData attemptStateDataPB)
throws Exception {
Path appDirPath = getAppDir(rmAppRoot, appAttemptId.getApplicationId());
Path nodeCreatePath = getNodePath(appDirPath, appAttemptId.toString());
LOG.info("Updating info for attempt: " + appAttemptId + " at: " + nodeCreatePath);
byte[] attemptStateData = attemptStateDataPB.getProto().toByteArray();
try {
// currently throw all exceptions. May need to respond differently for HA
// based on whether we have lost the right to write to FS
updateFile(nodeCreatePath, attemptStateData, true);
} catch (Exception e) {
LOG.info("Error updating info for attempt: " + appAttemptId, e);
throw e;
}
}