| /* |
| * 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.ignite.internal.metric; |
| |
| import org.apache.ignite.internal.processors.cache.persistence.tree.io.PageIO; |
| import org.apache.ignite.internal.processors.metric.GridMetricManager; |
| import org.apache.ignite.internal.processors.metric.MetricRegistry; |
| import org.apache.ignite.internal.processors.metric.impl.LongAdderMetric; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| |
| import static org.apache.ignite.internal.metric.IoStatisticsType.CACHE_GROUP; |
| import static org.apache.ignite.internal.processors.metric.impl.MetricUtils.metricName; |
| |
| /** |
| * Cache statistics holder to gather statistics related to concrete cache. |
| */ |
| public class IoStatisticsHolderCache implements IoStatisticsHolder { |
| /** */ |
| public static final String PHYSICAL_READS = "PHYSICAL_READS"; |
| |
| /** */ |
| public static final String LOGICAL_READS = "LOGICAL_READS"; |
| |
| /** */ |
| private final LongAdderMetric logicalReadCtr; |
| |
| /** */ |
| private final LongAdderMetric physicalReadCtr; |
| |
| /** */ |
| private final String grpName; |
| |
| /** */ |
| private final int grpId; |
| |
| /** |
| * @param grpName Name of the group. |
| * @param grpId Group id. |
| * @param mmgr Metric manager. |
| */ |
| public IoStatisticsHolderCache(String grpName, int grpId, GridMetricManager mmgr) { |
| assert grpName != null; |
| |
| this.grpName = grpName; |
| this.grpId = grpId; |
| |
| MetricRegistry mreg = mmgr.registry(metricRegistryName()); |
| |
| mreg.longMetric("startTime", null).value(U.currentTimeMillis()); |
| mreg.objectMetric("name", String.class, null).value(grpName); |
| mreg.intMetric("grpId", null).value(grpId); |
| |
| this.logicalReadCtr = mreg.longAdderMetric(LOGICAL_READS, null); |
| this.physicalReadCtr = mreg.longAdderMetric(PHYSICAL_READS, null); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void trackLogicalRead(long pageAddr) { |
| int pageIoType = PageIO.getType(pageAddr); |
| |
| if (pageIoType == PageIO.T_DATA) { |
| logicalReadCtr.increment(); |
| |
| IoStatisticsQueryHelper.trackLogicalReadQuery(pageAddr); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void trackPhysicalAndLogicalRead(long pageAddr) { |
| int pageIoType = PageIO.getType(pageAddr); |
| |
| if (pageIoType == PageIO.T_DATA) { |
| logicalReadCtr.increment(); |
| |
| physicalReadCtr.increment(); |
| |
| IoStatisticsQueryHelper.trackPhysicalAndLogicalReadQuery(pageAddr); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public long logicalReads() { |
| return logicalReadCtr.value(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public long physicalReads() { |
| return physicalReadCtr.value(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String metricRegistryName() { |
| return metricName(CACHE_GROUP.metricGroupName(), grpName); |
| } |
| |
| /** |
| * @return Cache group id. |
| */ |
| public int cacheGroupId() { |
| return grpId; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(IoStatisticsHolderCache.class, this, |
| "logicalReadCtr", logicalReadCtr, |
| "physicalReadCtr", physicalReadCtr, |
| "grpName", grpName); |
| } |
| } |