| /* |
| * |
| * 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.qpid.server.store.berkeleydb; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.TreeMap; |
| |
| import com.sleepycat.je.BtreeStats; |
| import com.sleepycat.je.Database; |
| import com.sleepycat.je.DatabaseConfig; |
| import com.sleepycat.je.DbInternal; |
| import com.sleepycat.je.Environment; |
| import com.sleepycat.je.EnvironmentMutableConfig; |
| import com.sleepycat.je.EnvironmentStats; |
| import com.sleepycat.je.StatsConfig; |
| import com.sleepycat.je.TransactionStats; |
| import com.sleepycat.je.config.ConfigParam; |
| import com.sleepycat.je.config.EnvironmentParams; |
| import com.sleepycat.je.utilint.IntegralLongAvg; |
| import com.sleepycat.je.utilint.Stat; |
| import com.sleepycat.je.utilint.StatDefinition; |
| import com.sleepycat.je.utilint.StatGroup; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.qpid.server.model.ConfiguredObject; |
| |
| |
| import static com.sleepycat.je.dbi.BTreeStatDefinition.BTREE_BINS_BYLEVEL; |
| import static com.sleepycat.je.dbi.BTreeStatDefinition.BTREE_BIN_COUNT; |
| import static com.sleepycat.je.dbi.BTreeStatDefinition.BTREE_DELETED_LN_COUNT; |
| import static com.sleepycat.je.dbi.BTreeStatDefinition.BTREE_INS_BYLEVEL; |
| import static com.sleepycat.je.dbi.BTreeStatDefinition.BTREE_IN_COUNT; |
| import static com.sleepycat.je.dbi.BTreeStatDefinition.BTREE_LN_COUNT; |
| import static com.sleepycat.je.dbi.BTreeStatDefinition.BTREE_MAINTREE_MAXDEPTH; |
| import static com.sleepycat.je.dbi.BTreeStatDefinition.BTREE_RELATCHES_REQUIRED; |
| import static com.sleepycat.je.dbi.BTreeStatDefinition.BTREE_ROOT_SPLITS; |
| import static com.sleepycat.je.dbi.BTreeStatDefinition.BTREE_BIN_ENTRIES_HISTOGRAM; |
| import static com.sleepycat.je.dbi.TxnStatDefinition.TXN_ABORTS; |
| import static com.sleepycat.je.dbi.TxnStatDefinition.TXN_ACTIVE; |
| import static com.sleepycat.je.dbi.TxnStatDefinition.TXN_BEGINS; |
| import static com.sleepycat.je.dbi.TxnStatDefinition.TXN_COMMITS; |
| import static com.sleepycat.je.dbi.TxnStatDefinition.TXN_XAABORTS; |
| import static com.sleepycat.je.dbi.TxnStatDefinition.TXN_XACOMMITS; |
| import static com.sleepycat.je.dbi.TxnStatDefinition.TXN_XAPREPARES; |
| |
| |
| final public class EnvironmentUtils |
| { |
| private static final Logger LOGGER = LoggerFactory.getLogger(EnvironmentUtils.class); |
| |
| private EnvironmentUtils() |
| { |
| } |
| |
| public static Map<String,Object> getTransactionStatistics(Environment environment, boolean reset) |
| { |
| StatsConfig config = new StatsConfig(); |
| config.setClear(reset); |
| config.setFast(false); |
| final TransactionStats stats = environment.getTransactionStats(config); |
| Map<String,Object> results = new LinkedHashMap<>(); |
| |
| results.put(TXN_ACTIVE.getName(), stats.getNActive()); |
| results.put(TXN_BEGINS.getName(), stats.getNBegins()); |
| results.put(TXN_COMMITS.getName(), stats.getNCommits()); |
| results.put(TXN_ABORTS.getName(), stats.getNAborts()); |
| results.put(TXN_XAPREPARES.getName(), stats.getNXAPrepares()); |
| results.put(TXN_XACOMMITS.getName(), stats.getNXACommits()); |
| results.put(TXN_XAABORTS.getName(), stats.getNXAAborts()); |
| |
| return results; |
| } |
| |
| |
| public static Map<String,Map<String,Object>> getEnvironmentStatistics(Environment environment, boolean reset) |
| { |
| StatsConfig config = new StatsConfig(); |
| config.setClear(reset); |
| config.setFast(false); |
| EnvironmentStats stats = environment.getStats(config); |
| Collection<StatGroup> statGroups = stats.getStatGroups(); |
| return getStatsFromStatGroup(statGroups); |
| } |
| |
| public static Map<String,Object> getDatabaseStatistics(Environment environment, String database, boolean reset) |
| { |
| DatabaseConfig dbConfig = new DatabaseConfig(); |
| dbConfig.setReadOnly(true); |
| DbInternal.setUseExistingConfig(dbConfig, true); |
| try (Database db = environment.openDatabase(null, database, dbConfig)) |
| { |
| StatsConfig config = new StatsConfig(); |
| config.setClear(reset); |
| config.setFast(false); |
| |
| BtreeStats stats = (BtreeStats) db.getStats(config); |
| |
| Map<String, Object> results = new TreeMap<>(); |
| results.put(BTREE_BIN_COUNT.getName(), stats.getBottomInternalNodeCount()); |
| results.put(BTREE_DELETED_LN_COUNT.getName(), stats.getDeletedLeafNodeCount()); |
| results.put(BTREE_IN_COUNT.getName(), stats.getInternalNodeCount()); |
| results.put(BTREE_LN_COUNT.getName(), stats.getLeafNodeCount()); |
| results.put(BTREE_MAINTREE_MAXDEPTH.getName(), stats.getMainTreeMaxDepth()); |
| results.put(BTREE_INS_BYLEVEL.getName(), Arrays.asList(stats.getINsByLevel())); |
| results.put(BTREE_BINS_BYLEVEL.getName(), Arrays.asList(stats.getBINsByLevel())); |
| results.put(BTREE_BIN_ENTRIES_HISTOGRAM.getName(), Arrays.asList(stats.getBINEntriesHistogram())); |
| results.put(BTREE_RELATCHES_REQUIRED.getName(), stats.getRelatches()); |
| results.put(BTREE_ROOT_SPLITS.getName(), stats.getRootSplits()); |
| |
| return results; |
| } |
| |
| } |
| |
| private static Map<String, Map<String, Object>> getStatsFromStatGroup(final Collection<StatGroup> statGroups) |
| { |
| Map<String,Map<String,Object>> results = new LinkedHashMap<>(); |
| for(StatGroup group : statGroups) |
| { |
| Map<String,Object> groupResults = new TreeMap<>(); |
| for(Map.Entry<StatDefinition, Stat<?>> entry : group.getStats().entrySet()) |
| { |
| if(!entry.getValue().isNotSet()) |
| { |
| Object value = entry.getValue().get(); |
| if(value instanceof IntegralLongAvg) |
| { |
| value = ((Number) value).doubleValue(); |
| } |
| groupResults.put(entry.getKey().getName(), value); |
| |
| } |
| } |
| if(!groupResults.isEmpty()) |
| { |
| results.put(group.getName(), groupResults); |
| } |
| } |
| return results; |
| } |
| |
| public static void updateMutableConfig(Environment environment, Set<String> paramsSetByDefault, boolean includeHA, final ConfiguredObject<?> object) |
| { |
| EnvironmentMutableConfig mutableConfig = environment.getMutableConfig(); |
| |
| final Set<String> contextVariables = object.getContextKeys(false); |
| |
| for(Map.Entry<String, ConfigParam> entry : EnvironmentParams.SUPPORTED_PARAMS.entrySet()) |
| { |
| String paramName = entry.getKey(); |
| ConfigParam param = entry.getValue(); |
| |
| if(param.isMutable() && (includeHA || !param.isForReplication())) |
| { |
| boolean contextValueSet = contextVariables.contains(paramName); |
| boolean currentlySetInEnv = mutableConfig.isConfigParamSet(paramName); |
| String contextValue = contextValueSet ? object.getContextValue(String.class, paramName) : null; |
| contextValueSet = (contextValue != null); |
| |
| try |
| { |
| if(contextValueSet) |
| { |
| if(!currentlySetInEnv || !contextValue.equals(mutableConfig.getConfigParam(paramName))) |
| { |
| mutableConfig.setConfigParam(paramName, contextValue); |
| LOGGER.debug("Setting BDB configuration parameter '{}' to value '{}'.", param, contextValue); |
| } |
| } |
| else if(currentlySetInEnv && !paramsSetByDefault.contains(paramName)) |
| { |
| mutableConfig.setConfigParam(paramName, param.getDefault()); |
| LOGGER.debug("Setting BDB configuration parameter '{}' to its default value.", param); |
| } |
| } |
| catch (IllegalArgumentException e) |
| { |
| LOGGER.warn("Unable to set BDB configuration parameter '{}' to value '{}'.", param, contextValue, e); |
| } |
| |
| } |
| } |
| } |
| |
| } |