| /* |
| * 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.performancestatistics.handlers; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.EnumMap; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.UUID; |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.apache.ignite.internal.performancestatistics.handlers.CacheOperationsHandler.IntWrapper; |
| import org.apache.ignite.internal.processors.metric.impl.HistogramMetricImpl; |
| import org.apache.ignite.internal.util.GridIntIterator; |
| import org.apache.ignite.internal.util.GridIntList; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| |
| import static org.apache.ignite.internal.performancestatistics.handlers.TransactionsHandler.TransactionState.COMMIT; |
| import static org.apache.ignite.internal.performancestatistics.handlers.TransactionsHandler.TransactionState.ROLLBACK; |
| import static org.apache.ignite.internal.performancestatistics.util.Utils.MAPPER; |
| import static org.apache.ignite.internal.performancestatistics.util.Utils.createArrayIfAbsent; |
| import static org.apache.ignite.internal.performancestatistics.util.Utils.createObjectIfAbsent; |
| |
| /** |
| * Builds JSON with aggregated transaction statistics and durations histogram. |
| * |
| * Example: |
| * <pre> |
| * { |
| * $nodeId : { |
| * $cacheId : { |
| * $txState : [ [ $startTime, $count] ] |
| * } |
| * } |
| * } |
| * </pre> |
| */ |
| public class TransactionsHandler implements IgnitePerformanceStatisticsHandler { |
| /** Field name of aggregated by caches/nodes values. */ |
| private static final String TOTAL = "total"; |
| |
| /** Transaction durations histogram buckets in milliseconds. */ |
| public static final long[] HISTOGRAM_BUCKETS = new long[] {1, 10, 100, 250, 1000}; |
| |
| /** Aggregated results: nodeId -> cacheId -> txState -> aggregatedResults. */ |
| private final Map<UUID, Map<Integer, Map<TransactionState, Map<Long, IntWrapper>>>> res = new HashMap<>(); |
| |
| /** Transaction durations histogram data: nodeId -> cacheId -> histogram. */ |
| private final Map<UUID, Map<Integer, HistogramMetricImpl>> histogram = new HashMap<>(); |
| |
| /** {@inheritDoc} */ |
| @Override public void transaction(UUID nodeId, GridIntList cacheIds, long startTime, long duration, |
| boolean commited) { |
| ArrayList<Integer> cacheIdsArr = new ArrayList<>(cacheIds.size() + 1); |
| |
| // cacheId=0 means aggregate by all caches. |
| cacheIdsArr.add(0); |
| |
| GridIntIterator iter = cacheIds.iterator(); |
| |
| while (iter.hasNext()) |
| cacheIdsArr.add(iter.next()); |
| |
| // nodeId=null means aggregate by all nodes. |
| UUID[] nodesId = new UUID[] {null, nodeId}; |
| |
| long aggrTime = startTime / 1000 * 1000; |
| |
| for (UUID node : nodesId) { |
| for (Integer cacheId : cacheIdsArr) { |
| res.computeIfAbsent(node, uuid -> new HashMap<>()) |
| .computeIfAbsent(cacheId, id -> new EnumMap<>(TransactionState.class)) |
| .computeIfAbsent(commited ? COMMIT : ROLLBACK, state -> new HashMap<>()) |
| .computeIfAbsent(aggrTime, time -> new IntWrapper()) |
| .count++; |
| |
| histogram.computeIfAbsent(node, uuid -> new HashMap<>()) |
| .computeIfAbsent(cacheId, id -> new HistogramMetricImpl(id.toString(), null, HISTOGRAM_BUCKETS)) |
| .value(U.nanosToMillis(duration)); |
| } |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Map<String, JsonNode> results() { |
| ObjectNode jsonRes = resultsToJson(); |
| ObjectNode histogram = histogramToJson(); |
| |
| ArrayNode buckets = MAPPER.createArrayNode(); |
| |
| Arrays.stream(HISTOGRAM_BUCKETS).forEach(buckets::add); |
| |
| return U.map("tx", jsonRes, "txHistogram", histogram, "txHistogramBuckets", buckets); |
| } |
| |
| /** Builds JSON. */ |
| private ObjectNode resultsToJson() { |
| ObjectNode json = MAPPER.createObjectNode(); |
| |
| res.forEach((nodeId, cachesMap) -> { |
| ObjectNode nodesInfo = createObjectIfAbsent(nodeId == null ? TOTAL : String.valueOf(nodeId), json); |
| |
| cachesMap.forEach((cacheId, opsMap) -> { |
| ObjectNode cachesInfo = createObjectIfAbsent(cacheId == 0 ? TOTAL : String.valueOf(cacheId), nodesInfo); |
| |
| opsMap.forEach((opType, timingMap) -> { |
| ArrayNode op = createArrayIfAbsent(opType.name().toLowerCase(), cachesInfo); |
| |
| timingMap.forEach((time, count) -> { |
| ArrayNode arr = MAPPER.createArrayNode(); |
| |
| arr.add(time); |
| arr.add(count.count); |
| |
| op.add(arr); |
| }); |
| }); |
| }); |
| }); |
| |
| return json; |
| } |
| |
| /** Builds JSON. */ |
| private ObjectNode histogramToJson() { |
| ObjectNode json = MAPPER.createObjectNode(); |
| |
| histogram.forEach((nodeId, map) -> { |
| ObjectNode nodesInfo = createObjectIfAbsent(nodeId == null ? TOTAL : String.valueOf(nodeId), json); |
| |
| map.forEach((cacheId, metric) -> { |
| ArrayNode values = createArrayIfAbsent(cacheId == 0 ? TOTAL : String.valueOf(cacheId), nodesInfo); |
| |
| Arrays.stream(metric.value()).forEach(values::add); |
| }); |
| }); |
| |
| return json; |
| } |
| |
| /** */ |
| enum TransactionState { |
| /** */ |
| COMMIT, |
| |
| /** */ |
| ROLLBACK |
| } |
| } |