| /* |
| * 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.broker.stats.metrics; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import org.apache.bookkeeper.mledger.ManagedCursor; |
| import org.apache.bookkeeper.mledger.ManagedCursorMXBean; |
| import org.apache.bookkeeper.mledger.impl.ManagedCursorContainer; |
| import org.apache.bookkeeper.mledger.impl.ManagedCursorImpl; |
| import org.apache.bookkeeper.mledger.impl.ManagedLedgerImpl; |
| import org.apache.pulsar.broker.PulsarService; |
| import org.apache.pulsar.common.stats.Metrics; |
| |
| public class ManagedCursorMetrics extends AbstractMetrics { |
| |
| private Map<String, String> dimensionMap; |
| private List<Metrics> metricsCollection; |
| |
| public ManagedCursorMetrics(PulsarService pulsar) { |
| super(pulsar); |
| this.metricsCollection = new ArrayList<>(); |
| this.dimensionMap = new HashMap<>(); |
| } |
| |
| @Override |
| public synchronized List<Metrics> generate() { |
| return aggregate(); |
| } |
| |
| |
| /** |
| * Aggregation by namespace, ledger, cursor. |
| * |
| * @return List<Metrics> |
| */ |
| private List<Metrics> aggregate() { |
| metricsCollection.clear(); |
| for (Map.Entry<String, ManagedLedgerImpl> e : getManagedLedgers().entrySet()) { |
| String ledgerName = e.getKey(); |
| ManagedLedgerImpl ledger = e.getValue(); |
| String namespace = parseNamespaceFromLedgerName(ledgerName); |
| |
| ManagedCursorContainer cursorContainer = ledger.getCursors(); |
| Iterator<ManagedCursor> cursorIterator = cursorContainer.iterator(); |
| |
| while (cursorIterator.hasNext()) { |
| ManagedCursorImpl cursor = (ManagedCursorImpl) cursorIterator.next(); |
| ManagedCursorMXBean cStats = cursor.getStats(); |
| dimensionMap.clear(); |
| dimensionMap.put("namespace", namespace); |
| dimensionMap.put("ledger_name", ledgerName); |
| dimensionMap.put("cursor_name", cursor.getName()); |
| Metrics metrics = createMetrics(dimensionMap); |
| metrics.put("brk_ml_cursor_nonContiguousDeletedMessagesRange", |
| (long) cursor.getTotalNonContiguousDeletedMessagesRange()); |
| metrics.put("brk_ml_cursor_persistLedgerSucceed", cStats.getPersistLedgerSucceed()); |
| metrics.put("brk_ml_cursor_persistLedgerErrors", cStats.getPersistLedgerErrors()); |
| metrics.put("brk_ml_cursor_persistZookeeperSucceed", cStats.getPersistZookeeperSucceed()); |
| metrics.put("brk_ml_cursor_persistZookeeperErrors", cStats.getPersistZookeeperErrors()); |
| metrics.put("brk_ml_cursor_writeLedgerSize", cStats.getWriteCursorLedgerSize()); |
| metrics.put("brk_ml_cursor_writeLedgerLogicalSize", cStats.getWriteCursorLedgerLogicalSize()); |
| metrics.put("brk_ml_cursor_readLedgerSize", cStats.getReadCursorLedgerSize()); |
| metricsCollection.add(metrics); |
| } |
| } |
| return metricsCollection; |
| } |
| } |