| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.pulsar.common.policies.data; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Maps; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * Statistics for a Pulsar topic. |
| */ |
| public class TopicStats { |
| private int count; |
| |
| /** Total rate of messages published on the topic (msg/s). */ |
| public double msgRateIn; |
| |
| /** Total throughput of messages published on the topic (byte/s). */ |
| public double msgThroughputIn; |
| |
| /** Total rate of messages dispatched for the topic (msg/s). */ |
| public double msgRateOut; |
| |
| /** Total throughput of messages dispatched for the topic (byte/s). */ |
| public double msgThroughputOut; |
| |
| /** Total bytes published to the topic (bytes). */ |
| public long bytesInCounter; |
| |
| /** Total messages published to the topic (msg). */ |
| public long msgInCounter; |
| |
| /** Total bytes delivered to consumer (bytes). */ |
| public long bytesOutCounter; |
| |
| /** Total messages delivered to consumer (msg). */ |
| public long msgOutCounter; |
| |
| /** Average size of published messages (bytes). */ |
| public double averageMsgSize; |
| |
| /** Topic has chunked message published on it. */ |
| public boolean msgChunkPublished; |
| |
| /** Space used to store the messages for the topic (bytes). */ |
| public long storageSize; |
| |
| /** Get estimated total unconsumed or backlog size in bytes. */ |
| public long backlogSize; |
| |
| /** Space used to store the offloaded messages for the topic/. */ |
| public long offloadedStorageSize; |
| |
| /** List of connected publishers on this topic w/ their stats. */ |
| public List<PublisherStats> publishers; |
| |
| public int waitingPublishers; |
| |
| /** Map of subscriptions with their individual statistics. */ |
| public Map<String, SubscriptionStats> subscriptions; |
| |
| /** Map of replication statistics by remote cluster context. */ |
| public Map<String, ReplicatorStats> replication; |
| |
| public String deduplicationStatus; |
| |
| /** The topic epoch or empty if not set. */ |
| public Long topicEpoch; |
| |
| /** The number of non-contiguous deleted messages ranges. */ |
| public int nonContiguousDeletedMessagesRanges; |
| |
| /** The serialized size of non-contiguous deleted messages ranges. */ |
| public int nonContiguousDeletedMessagesRangesSerializedSize; |
| |
| public TopicStats() { |
| this.publishers = Lists.newArrayList(); |
| this.subscriptions = Maps.newHashMap(); |
| this.replication = Maps.newTreeMap(); |
| } |
| |
| public void reset() { |
| this.count = 0; |
| this.msgRateIn = 0; |
| this.msgThroughputIn = 0; |
| this.msgRateOut = 0; |
| this.msgThroughputOut = 0; |
| this.averageMsgSize = 0; |
| this.storageSize = 0; |
| this.backlogSize = 0; |
| this.bytesInCounter = 0; |
| this.msgInCounter = 0; |
| this.bytesOutCounter = 0; |
| this.msgOutCounter = 0; |
| this.publishers.clear(); |
| this.subscriptions.clear(); |
| this.waitingPublishers = 0; |
| this.replication.clear(); |
| this.deduplicationStatus = null; |
| this.topicEpoch = null; |
| this.nonContiguousDeletedMessagesRanges = 0; |
| this.nonContiguousDeletedMessagesRangesSerializedSize = 0; |
| this.offloadedStorageSize = 0; |
| } |
| |
| // if the stats are added for the 1st time, we will need to make a copy of these stats and add it to the current |
| // stats. |
| public TopicStats add(TopicStats stats) { |
| checkNotNull(stats); |
| this.count++; |
| this.msgRateIn += stats.msgRateIn; |
| this.msgThroughputIn += stats.msgThroughputIn; |
| this.msgRateOut += stats.msgRateOut; |
| this.msgThroughputOut += stats.msgThroughputOut; |
| this.bytesInCounter += stats.bytesInCounter; |
| this.msgInCounter += stats.msgInCounter; |
| this.bytesOutCounter += stats.bytesOutCounter; |
| this.msgOutCounter += stats.msgOutCounter; |
| this.waitingPublishers += stats.waitingPublishers; |
| double newAverageMsgSize = (this.averageMsgSize * (this.count - 1) + stats.averageMsgSize) / this.count; |
| this.averageMsgSize = newAverageMsgSize; |
| this.storageSize += stats.storageSize; |
| this.backlogSize += stats.backlogSize; |
| this.offloadedStorageSize += stats.offloadedStorageSize; |
| this.nonContiguousDeletedMessagesRanges += stats.nonContiguousDeletedMessagesRanges; |
| this.nonContiguousDeletedMessagesRangesSerializedSize += stats.nonContiguousDeletedMessagesRangesSerializedSize; |
| if (this.publishers.size() != stats.publishers.size()) { |
| for (int i = 0; i < stats.publishers.size(); i++) { |
| PublisherStats publisherStats = new PublisherStats(); |
| this.publishers.add(publisherStats.add(stats.publishers.get(i))); |
| } |
| } else { |
| for (int i = 0; i < stats.publishers.size(); i++) { |
| this.publishers.get(i).add(stats.publishers.get(i)); |
| } |
| } |
| if (this.subscriptions.size() != stats.subscriptions.size()) { |
| for (String subscription : stats.subscriptions.keySet()) { |
| SubscriptionStats subscriptionStats = new SubscriptionStats(); |
| this.subscriptions.put(subscription, subscriptionStats.add(stats.subscriptions.get(subscription))); |
| } |
| } else { |
| for (String subscription : stats.subscriptions.keySet()) { |
| if (this.subscriptions.get(subscription) != null) { |
| this.subscriptions.get(subscription).add(stats.subscriptions.get(subscription)); |
| } else { |
| SubscriptionStats subscriptionStats = new SubscriptionStats(); |
| this.subscriptions.put(subscription, subscriptionStats.add(stats.subscriptions.get(subscription))); |
| } |
| } |
| } |
| if (this.replication.size() != stats.replication.size()) { |
| for (String repl : stats.replication.keySet()) { |
| ReplicatorStats replStats = new ReplicatorStats(); |
| this.replication.put(repl, replStats.add(stats.replication.get(repl))); |
| } |
| } else { |
| for (String repl : stats.replication.keySet()) { |
| if (this.replication.get(repl) != null) { |
| this.replication.get(repl).add(stats.replication.get(repl)); |
| } else { |
| ReplicatorStats replStats = new ReplicatorStats(); |
| this.replication.put(repl, replStats.add(stats.replication.get(repl))); |
| } |
| } |
| } |
| return this; |
| } |
| |
| } |