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public CommandResult update() {
CommandResult res = null;
try {
long start = System.nanoTime();
res = _port.runCommand(_mongo.getDB("admin"), isMasterCmd);
long end = System.nanoTime();
float newPingMS = (end - start) / 1000000F;
if (!successfullyContacted)
_pingTimeMS = newPingMS;
else
_pingTimeMS = _pingTimeMS + ((newPingMS - _pingTimeMS) / latencySmoothFactor);
getLogger().log(Level.FINE, "Latency to " + _addr + " actual=" + newPingMS + " smoothed=" + _pingTimeMS);
successfullyContacted = true;
if (res == null) {
throw new MongoInternalException("Invalid null value returned from isMaster");
}
if (!_ok) {
getLogger().log(Level.INFO, "Server seen up: " + _addr);
}
_ok = true;
// max size was added in 1.8
if (res.containsField("maxBsonObjectSize")) {
_maxBsonObjectSize = (Integer) res.get("maxBsonObjectSize");
} else {
_maxBsonObjectSize = Bytes.MAX_OBJECT_SIZE;
}
} catch (Exception e) {
if (!((_ok) ? true : (Math.random() > 0.1))) {
return res;
}
final StringBuilder logError = (new StringBuilder("Server seen down: ")).append(_addr);
if (e instanceof IOException) {
logError.append(" - ").append(IOException.class.getName());
if (e.getMessage() != null) {
logError.append(" - message: ").append(e.getMessage());
}
getLogger().log(Level.WARNING, logError.toString());
} else {
getLogger().log(Level.WARNING, logError.toString(), e);
}
_ok = false;
}
return res;
}
Фейсбук упал и лежит - совпадение?