@Override
public void run() {
try {
for (Entry<Pair<Topic, ConsumerGroup>, Long> entry : m_limits.entrySet()) {
Topic topic = entry.getKey().getKey();
ConsumerGroup group = entry.getKey().getValue();
long limit = entry.getValue();
Map<Integer, Long> backlogs = calculateBacklog(topic, group);
long totalBacklog = 0;
for (Long backlog : backlogs.values()) {
totalBacklog += backlog;
}
if (totalBacklog >= limit) {
m_result.addMonitorEvent(
new ConsumeLargeBacklogEvent(topic.getName(), group.getName(), backlogs));
}
}
} catch (Exception e) {
m_exceptions.add(e);
} finally {
m_latch.countDown();
}
}
private Map<Integer, Long> calculateBacklog(Topic topic, ConsumerGroup group) {
Map<Integer, Long> backlogs = new HashMap<Integer, Long>();
for (Partition partition : topic.getPartitions()) {
long pBacklog = doCalculateBacklog(topic.getName(), partition.getId(), 0, group.getId());
long npBacklog = doCalculateBacklog(topic.getName(), partition.getId(), 1, group.getId());
backlogs.put(partition.getId(), pBacklog + npBacklog);
}
return backlogs;
}