boolean putMetrics(MetricsBuffer buffer, long logicalTime) {
if (logicalTime % period == 0) {
LOG.debug("enqueue, logicalTime=" + logicalTime);
if (queue.enqueue(buffer)) {
return true;
}
dropped.incr();
return false;
}
return true; // OK
}
void publishMetricsFromQueue() {
int retryDelay = firstRetryDelay;
int n = retryCount;
int minDelay = Math.min(500, retryDelay * 1000); // millis
Random rng = new Random(System.nanoTime());
while (!stopping) {
try {
queue.consumeAll(consumer);
retryDelay = firstRetryDelay;
n = retryCount;
inError = false;
} catch (InterruptedException e) {
LOG.info(name + " thread interrupted.");
} catch (Exception e) {
if (n > 0) {
int awhile = rng.nextInt(retryDelay * 1000 - minDelay) + minDelay;
if (!inError) {
LOG.error("Got sink exception, retry in " + awhile + "ms", e);
}
retryDelay *= retryBackoff;
try {
Thread.sleep(awhile);
} catch (InterruptedException e2) {
LOG.info(name + " thread interrupted while waiting for retry", e2);
}
--n;
} else {
if (!inError) {
LOG.error(
"Got sink exception and over retry limit, " + "suppressing further error messages",
e);
}
queue.clear();
inError = true; // Don't keep complaining ad infinitum
}
}
}
}
public boolean putMetricsImmediate(MetricsBuffer buffer) {
WaitableMetricsBuffer waitableBuffer = new WaitableMetricsBuffer(buffer);
if (!queue.enqueue(waitableBuffer)) {
LOG.warn(name + " has a full queue and can't consume the given metrics.");
dropped.incr();
return false;
}
if (!waitableBuffer.waitTillNotified(oobPutTimeout)) {
LOG.warn(
name + " couldn't fulfill an immediate putMetrics request in time." + " Abandoning.");
return false;
}
return true;
}