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Posted to commits@geode.apache.org by kl...@apache.org on 2017/08/11 22:06:31 UTC

[3/4] geode git commit: GEODE-3265: Refactoring MiscellaneousCommands

http://git-wip-us.apache.org/repos/asf/geode/blob/63169699/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/MiscellaneousCommands.java
----------------------------------------------------------------------
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/MiscellaneousCommands.java b/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/MiscellaneousCommands.java
deleted file mode 100644
index 56e2ab0..0000000
--- a/geode-core/src/main/java/org/apache/geode/management/internal/cli/commands/MiscellaneousCommands.java
+++ /dev/null
@@ -1,1927 +0,0 @@
-/*
- * 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.geode.management.internal.cli.commands;
-
-import java.io.BufferedInputStream;
-import java.io.ByteArrayInputStream;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.io.PrintWriter;
-import java.text.MessageFormat;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Set;
-import java.util.concurrent.Callable;
-import java.util.concurrent.ExecutionException;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.Future;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.TimeoutException;
-import java.util.zip.DataFormatException;
-import java.util.zip.GZIPInputStream;
-
-import javax.management.ObjectName;
-
-import org.apache.commons.lang.StringUtils;
-import org.apache.logging.log4j.Logger;
-import org.springframework.shell.core.annotation.CliCommand;
-import org.springframework.shell.core.annotation.CliOption;
-
-import org.apache.geode.LogWriter;
-import org.apache.geode.cache.execute.Execution;
-import org.apache.geode.cache.execute.Function;
-import org.apache.geode.cache.execute.FunctionException;
-import org.apache.geode.cache.execute.FunctionService;
-import org.apache.geode.cache.execute.ResultCollector;
-import org.apache.geode.distributed.DistributedMember;
-import org.apache.geode.distributed.internal.InternalDistributedSystem;
-import org.apache.geode.distributed.internal.deadlock.DeadlockDetector;
-import org.apache.geode.distributed.internal.deadlock.Dependency;
-import org.apache.geode.distributed.internal.deadlock.DependencyGraph;
-import org.apache.geode.distributed.internal.deadlock.GemFireDeadlockDetector;
-import org.apache.geode.internal.cache.GemFireCacheImpl;
-import org.apache.geode.internal.cache.InternalCache;
-import org.apache.geode.internal.logging.LogService;
-import org.apache.geode.internal.logging.log4j.LogLevel;
-import org.apache.geode.management.CacheServerMXBean;
-import org.apache.geode.management.DistributedRegionMXBean;
-import org.apache.geode.management.DistributedSystemMXBean;
-import org.apache.geode.management.JVMMetrics;
-import org.apache.geode.management.ManagementService;
-import org.apache.geode.management.MemberMXBean;
-import org.apache.geode.management.RegionMXBean;
-import org.apache.geode.management.cli.CliMetaData;
-import org.apache.geode.management.cli.ConverterHint;
-import org.apache.geode.management.cli.Result;
-import org.apache.geode.management.internal.MBeanJMXAdapter;
-import org.apache.geode.management.internal.ManagementConstants;
-import org.apache.geode.management.internal.SystemManagementService;
-import org.apache.geode.management.internal.cli.AbstractCliAroundInterceptor;
-import org.apache.geode.management.internal.cli.CliUtil;
-import org.apache.geode.management.internal.cli.CliUtil.DeflaterInflaterData;
-import org.apache.geode.management.internal.cli.GfshParseResult;
-import org.apache.geode.management.internal.cli.GfshParser;
-import org.apache.geode.management.internal.cli.LogWrapper;
-import org.apache.geode.management.internal.cli.domain.StackTracesPerMember;
-import org.apache.geode.management.internal.cli.functions.ChangeLogLevelFunction;
-import org.apache.geode.management.internal.cli.functions.GarbageCollectionFunction;
-import org.apache.geode.management.internal.cli.functions.GetStackTracesFunction;
-import org.apache.geode.management.internal.cli.functions.NetstatFunction;
-import org.apache.geode.management.internal.cli.functions.NetstatFunction.NetstatFunctionArgument;
-import org.apache.geode.management.internal.cli.functions.NetstatFunction.NetstatFunctionResult;
-import org.apache.geode.management.internal.cli.functions.ShutDownFunction;
-import org.apache.geode.management.internal.cli.i18n.CliStrings;
-import org.apache.geode.management.internal.cli.remote.CommandExecutionContext;
-import org.apache.geode.management.internal.cli.result.CompositeResultData;
-import org.apache.geode.management.internal.cli.result.CompositeResultData.SectionResultData;
-import org.apache.geode.management.internal.cli.result.ErrorResultData;
-import org.apache.geode.management.internal.cli.result.InfoResultData;
-import org.apache.geode.management.internal.cli.result.ResultBuilder;
-import org.apache.geode.management.internal.cli.result.ResultData;
-import org.apache.geode.management.internal.cli.result.ResultDataException;
-import org.apache.geode.management.internal.cli.result.TabularResultData;
-import org.apache.geode.management.internal.security.ResourceOperation;
-import org.apache.geode.security.ResourcePermission.Operation;
-import org.apache.geode.security.ResourcePermission.Resource;
-
-/**
- * @since GemFire 7.0
- */
-public class MiscellaneousCommands implements GfshCommand {
-
-  public static final String NETSTAT_FILE_REQUIRED_EXTENSION = ".txt";
-  public final static String DEFAULT_TIME_OUT = "10";
-  private final static Logger logger = LogService.getLogger();
-
-  private final GetStackTracesFunction getStackTracesFunction = new GetStackTracesFunction();
-
-  public void shutdownNode(final long timeout, final Set<DistributedMember> includeMembers)
-      throws TimeoutException, InterruptedException, ExecutionException {
-    ExecutorService exec = Executors.newSingleThreadExecutor();
-    try {
-      final Function shutDownFunction = new ShutDownFunction();
-
-      logger.info("Gfsh executing shutdown on members " + includeMembers);
-
-      Callable<String> shutdownNodes = new Callable<String>() {
-
-        @Override
-        public String call() {
-          try {
-            Execution execution = FunctionService.onMembers(includeMembers);
-            execution.execute(shutDownFunction);
-          } catch (FunctionException functionEx) {
-            // Expected Exception as the function is shutting down the target members and the result
-            // collector will get member departed exception
-          }
-          return "SUCCESS";
-        }
-      };
-
-      Future<String> result = exec.submit(shutdownNodes);
-      result.get(timeout, TimeUnit.MILLISECONDS);
-
-    } catch (TimeoutException te) {
-      logger.error("TimeoutException in shutting down members." + includeMembers);
-      throw te;
-    } catch (InterruptedException e) {
-      logger.error("InterruptedException in shutting down members." + includeMembers);
-      throw e;
-    } catch (ExecutionException e) {
-      logger.error("ExecutionException in shutting down members." + includeMembers);
-      throw e;
-    } finally {
-      exec.shutdownNow();
-    }
-  }
-
-  @CliCommand(value = CliStrings.SHUTDOWN, help = CliStrings.SHUTDOWN__HELP)
-  @CliMetaData(relatedTopic = {CliStrings.TOPIC_GEODE_LIFECYCLE},
-      interceptor = "org.apache.geode.management.internal.cli.commands.MiscellaneousCommands$Interceptor")
-  @ResourceOperation(resource = Resource.CLUSTER, operation = Operation.MANAGE)
-  public Result shutdown(
-      @CliOption(key = CliStrings.SHUTDOWN__TIMEOUT, unspecifiedDefaultValue = DEFAULT_TIME_OUT,
-          help = CliStrings.SHUTDOWN__TIMEOUT__HELP) int userSpecifiedTimeout,
-      @CliOption(key = CliStrings.INCLUDE_LOCATORS, unspecifiedDefaultValue = "false",
-          help = CliStrings.INCLUDE_LOCATORS_HELP) boolean shutdownLocators) {
-    try {
-
-      if (userSpecifiedTimeout < Integer.parseInt(DEFAULT_TIME_OUT)) {
-        return ResultBuilder.createInfoResult(CliStrings.SHUTDOWN__MSG__IMPROPER_TIMEOUT);
-      }
-
-      // convert to milliseconds
-      long timeout = userSpecifiedTimeout * 1000;
-
-      InternalCache cache = getCache();
-
-      int numDataNodes = CliUtil.getAllNormalMembers(cache).size();
-
-      Set<DistributedMember> locators = CliUtil.getAllMembers(cache);
-
-      Set<DistributedMember> dataNodes = CliUtil.getAllNormalMembers(cache);
-
-      locators.removeAll(dataNodes);
-
-      if (!shutdownLocators && numDataNodes == 0) {
-        return ResultBuilder.createInfoResult(CliStrings.SHUTDOWN__MSG__NO_DATA_NODE_FOUND);
-      }
-
-      String managerName = cache.getJmxManagerAdvisor().getDistributionManager().getId().getId();
-
-      final DistributedMember manager = CliUtil.getDistributedMemberByNameOrId(managerName);
-
-      dataNodes.remove(manager);
-
-      // shut down all data members excluding this manager if manager is a data node
-      long timeElapsed = shutDownNodeWithTimeOut(timeout, dataNodes);
-      timeout = timeout - timeElapsed;
-
-      // shut down locators one by one
-      if (shutdownLocators) {
-        if (manager == null) {
-          return ResultBuilder.createUserErrorResult(CliStrings.SHUTDOWN__MSG__MANAGER_NOT_FOUND);
-        }
-
-        // remove current locator as that would get shutdown last
-        if (locators.contains(manager)) {
-          locators.remove(manager);
-        }
-
-        for (DistributedMember locator : locators) {
-          Set<DistributedMember> lsSet = new HashSet<>();
-          lsSet.add(locator);
-          long elapsedTime = shutDownNodeWithTimeOut(timeout, lsSet);
-          timeout = timeout - elapsedTime;
-        }
-      }
-
-      if (locators.contains(manager) && !shutdownLocators) { // This means manager is a locator and
-        // shutdownLocators is false. Hence we
-        // should not stop the manager
-        return ResultBuilder.createInfoResult("Shutdown is triggered");
-      }
-      // now shut down this manager
-      Set<DistributedMember> mgrSet = new HashSet<>();
-      mgrSet.add(manager);
-      // No need to check further timeout as this is the last node we will be
-      // shutting down
-      shutDownNodeWithTimeOut(timeout, mgrSet);
-
-    } catch (TimeoutException tex) {
-      return ResultBuilder.createInfoResult(CliStrings.SHUTDOWN_TIMEDOUT);
-    } catch (Exception ex) {
-      ex.printStackTrace();
-      return ResultBuilder.createUserErrorResult(ex.getMessage());
-    }
-
-    // @TODO. List all the nodes which could be successfully shutdown
-    return ResultBuilder.createInfoResult("Shutdown is triggered");
-  }
-
-  /**
-   * @param timeout user specified timeout
-   * @param nodesToBeStopped list of nodes to be stopped
-   * @return Elapsed time to shutdown the given nodes;
-   */
-  private long shutDownNodeWithTimeOut(long timeout, Set<DistributedMember> nodesToBeStopped)
-      throws TimeoutException, InterruptedException, ExecutionException {
-
-    long shutDownTimeStart = System.currentTimeMillis();
-    shutdownNode(timeout, nodesToBeStopped);
-
-    long shutDownTimeEnd = System.currentTimeMillis();
-
-    long timeElapsed = shutDownTimeEnd - shutDownTimeStart;
-
-    if (timeElapsed > timeout || Boolean.getBoolean("ThrowTimeoutException")) {
-      // The second check for ThrowTimeoutException is a test hook
-      throw new TimeoutException();
-    }
-    return timeElapsed;
-  }
-
-  /**
-   * Interceptor used by gfsh to intercept execution of shutdownall.
-   */
-  public static class Interceptor extends AbstractCliAroundInterceptor {
-    @Override
-    public Result preExecution(GfshParseResult parseResult) {
-
-      // This hook is for testing purpose only.
-      if (Boolean.getBoolean(CliStrings.IGNORE_INTERCEPTORS)) {
-        return ResultBuilder.createInfoResult(CliStrings.SHUTDOWN__MSG__SHUTDOWN_ENTIRE_DS);
-      }
-
-      Response response = readYesNo(CliStrings.SHUTDOWN__MSG__WARN_USER, Response.YES);
-      if (response == Response.NO) {
-        return ResultBuilder
-            .createShellClientAbortOperationResult(CliStrings.SHUTDOWN__MSG__ABORTING_SHUTDOWN);
-      } else {
-        return ResultBuilder.createInfoResult(CliStrings.SHUTDOWN__MSG__SHUTDOWN_ENTIRE_DS);
-      }
-    }
-  }
-
-  @CliCommand(value = CliStrings.GC, help = CliStrings.GC__HELP)
-  @CliMetaData(relatedTopic = {CliStrings.TOPIC_GEODE_DEBUG_UTIL})
-  @ResourceOperation(resource = Resource.CLUSTER, operation = Operation.MANAGE)
-  public Result gc(
-      @CliOption(key = {CliStrings.GROUP, CliStrings.GROUPS},
-          help = CliStrings.GC__GROUP__HELP) String[] groups,
-      @CliOption(key = CliStrings.MEMBER, optionContext = ConverterHint.ALL_MEMBER_IDNAME,
-          help = CliStrings.GC__MEMBER__HELP) String memberId) {
-    InternalCache cache = getCache();
-    Result result;
-    CompositeResultData gcResultTable = ResultBuilder.createCompositeResultData();
-    TabularResultData resultTable = gcResultTable.addSection().addTable("Table1");
-    String headerText = "GC Summary";
-    resultTable.setHeader(headerText);
-    Set<DistributedMember> dsMembers = new HashSet<>();
-    if (memberId != null && memberId.length() > 0) {
-      DistributedMember member = CliUtil.getDistributedMemberByNameOrId(memberId);
-      if (member == null) {
-        return ResultBuilder
-            .createGemFireErrorResult(memberId + CliStrings.GC__MSG__MEMBER_NOT_FOUND);
-      }
-      dsMembers.add(member);
-      result = executeAndBuildResult(resultTable, dsMembers);
-    } else if (groups != null && groups.length > 0) {
-      for (String group : groups) {
-        dsMembers.addAll(cache.getDistributedSystem().getGroupMembers(group));
-      }
-      result = executeAndBuildResult(resultTable, dsMembers);
-
-    } else {
-      // gc on entire cluster
-      // exclude locators
-      dsMembers = CliUtil.getAllNormalMembers(cache);
-      result = executeAndBuildResult(resultTable, dsMembers);
-
-    }
-    return result;
-  }
-
-  Result executeAndBuildResult(TabularResultData resultTable, Set<DistributedMember> dsMembers) {
-    try {
-      List<?> resultList;
-      Function garbageCollectionFunction = new GarbageCollectionFunction();
-      resultList =
-          (List<?>) CliUtil.executeFunction(garbageCollectionFunction, null, dsMembers).getResult();
-
-      for (Object object : resultList) {
-        if (object instanceof Exception) {
-          LogWrapper.getInstance().fine("Exception in GC " + ((Throwable) object).getMessage(),
-              ((Throwable) object));
-          continue;
-        } else if (object instanceof Throwable) {
-          LogWrapper.getInstance().fine("Exception in GC " + ((Throwable) object).getMessage(),
-              ((Throwable) object));
-          continue;
-        }
-
-        if (object != null) {
-          if (object instanceof String) {
-            // unexpected exception string - cache may be closed or something
-            return ResultBuilder.createUserErrorResult((String) object);
-          } else {
-            Map<String, String> resultMap = (Map<String, String>) object;
-            toTabularResultData(resultTable, resultMap.get("MemberId"),
-                resultMap.get("HeapSizeBeforeGC"), resultMap.get("HeapSizeAfterGC"),
-                resultMap.get("TimeSpentInGC"));
-          }
-        } else {
-          LogWrapper.getInstance().fine("ResultMap was null ");
-        }
-      }
-    } catch (Exception e) {
-      String stack = CliUtil.stackTraceAsString(e);
-      LogWrapper.getInstance().info("GC exception is " + stack);
-      return ResultBuilder.createGemFireErrorResult(e.getMessage() + ": " + stack);
-    }
-    return ResultBuilder.buildResult(resultTable);
-  }
-
-  protected void toTabularResultData(TabularResultData table, String memberId,
-      String heapSizeBefore, String heapSizeAfter, String timeTaken) {
-    table.accumulate(CliStrings.GC__MSG__MEMBER_NAME, memberId);
-    table.accumulate(CliStrings.GC__MSG__HEAP_SIZE_BEFORE_GC, heapSizeBefore);
-    table.accumulate(CliStrings.GC__MSG__HEAP_SIZE_AFTER_GC, heapSizeAfter);
-    table.accumulate(CliStrings.GC__MSG__TOTAL_TIME_IN_GC, timeTaken);
-  }
-
-  @CliCommand(value = CliStrings.NETSTAT, help = CliStrings.NETSTAT__HELP)
-  @CliMetaData(relatedTopic = {CliStrings.TOPIC_GEODE_DEBUG_UTIL})
-  @ResourceOperation(resource = Resource.CLUSTER, operation = Operation.READ)
-  // TODO : Verify the auto-completion for multiple values.
-  public Result netstat(
-      @CliOption(key = {CliStrings.MEMBER, CliStrings.MEMBERS},
-          optionContext = ConverterHint.ALL_MEMBER_IDNAME,
-          help = CliStrings.NETSTAT__MEMBER__HELP) String[] members,
-      @CliOption(key = CliStrings.GROUP, optionContext = ConverterHint.MEMBERGROUP,
-          help = CliStrings.NETSTAT__GROUP__HELP) String group,
-      @CliOption(key = CliStrings.NETSTAT__FILE,
-          help = CliStrings.NETSTAT__FILE__HELP) String saveAs,
-      @CliOption(key = CliStrings.NETSTAT__WITHLSOF, specifiedDefaultValue = "true",
-          unspecifiedDefaultValue = "false",
-          help = CliStrings.NETSTAT__WITHLSOF__HELP) boolean withlsof) {
-    Result result;
-
-    Map<String, DistributedMember> hostMemberMap = new HashMap<>();
-    Map<String, List<String>> hostMemberListMap = new HashMap<>();
-
-    try {
-      if (members != null && members.length > 0 && group != null) {
-        throw new IllegalArgumentException(
-            CliStrings.NETSTAT__MSG__ONLY_ONE_OF_MEMBER_OR_GROUP_SHOULD_BE_SPECIFIED);
-      }
-      StringBuilder resultInfo = new StringBuilder();
-
-      // Execute for remote members whose id or name matches
-      InternalDistributedSystem system = InternalDistributedSystem.getConnectedInstance();
-
-      if (members != null) {
-        Set<String> notFoundMembers = new HashSet<>();
-        for (String memberIdOrName : members) {
-          Set<DistributedMember> membersToExecuteOn = CliUtil.getAllMembers(system);
-          boolean memberFound = false;
-          for (DistributedMember distributedMember : membersToExecuteOn) {
-            String memberName = distributedMember.getName();
-            String memberId = distributedMember.getId();
-            if (memberName.equals(memberIdOrName) || memberId.equals(memberIdOrName)) {
-              buildMaps(hostMemberMap, hostMemberListMap, memberIdOrName, distributedMember);
-
-              memberFound = true;
-              break;
-            }
-          }
-          if (!memberFound) {
-            notFoundMembers.add(memberIdOrName);
-          }
-        }
-        // if there are not found members, it's probably unknown member or member has departed
-        if (!notFoundMembers.isEmpty()) {
-          throw new IllegalArgumentException(
-              CliStrings.format(CliStrings.NETSTAT__MSG__COULD_NOT_FIND_MEMBERS_0,
-                  new Object[] {CliUtil.collectionToString(notFoundMembers, -1)}));
-        }
-      } else {
-        Set<DistributedMember> membersToExecuteOn;
-        if (group != null) {
-          membersToExecuteOn = system.getGroupMembers(group);
-        } else {
-          // consider all members
-          membersToExecuteOn = CliUtil.getAllMembers(system);
-        }
-
-        for (DistributedMember distributedMember : membersToExecuteOn) {
-          String memberName = distributedMember.getName();
-          String memberId = distributedMember.getId();
-          String memberIdOrName =
-              memberName != null && !memberName.isEmpty() ? memberName : memberId;
-
-          buildMaps(hostMemberMap, hostMemberListMap, memberIdOrName, distributedMember);
-        }
-      }
-
-      String lineSeparatorToUse;
-      lineSeparatorToUse = CommandExecutionContext.getShellLineSeparator();
-      if (lineSeparatorToUse == null) {
-        lineSeparatorToUse = GfshParser.LINE_SEPARATOR;
-      }
-      NetstatFunctionArgument nfa = new NetstatFunctionArgument(lineSeparatorToUse, withlsof);
-
-      if (!hostMemberMap.isEmpty()) {
-        Set<DistributedMember> membersToExecuteOn = new HashSet<>(hostMemberMap.values());
-        ResultCollector<?, ?> netstatResult =
-            CliUtil.executeFunction(NetstatFunction.INSTANCE, nfa, membersToExecuteOn);
-        List<?> resultList = (List<?>) netstatResult.getResult();
-        for (Object aResultList : resultList) {
-          NetstatFunctionResult netstatFunctionResult = (NetstatFunctionResult) aResultList;
-          DeflaterInflaterData deflaterInflaterData = netstatFunctionResult.getCompressedBytes();
-          try {
-            String remoteHost = netstatFunctionResult.getHost();
-            List<String> membersList = hostMemberListMap.get(remoteHost);
-            resultInfo.append(MessageFormat.format(netstatFunctionResult.getHeaderInfo(),
-                CliUtil.collectionToString(membersList, 120)));
-            DeflaterInflaterData uncompressedBytes = CliUtil.uncompressBytes(
-                deflaterInflaterData.getData(), deflaterInflaterData.getDataLength());
-            resultInfo.append(new String(uncompressedBytes.getData()));
-          } catch (DataFormatException e) {
-            resultInfo.append("Error in some data. Reason : " + e.getMessage());
-          }
-        }
-      }
-
-      InfoResultData resultData = ResultBuilder.createInfoResultData();
-      if (saveAs != null && !saveAs.isEmpty()) {
-        String saveToFile = saveAs;
-        if (!saveAs.endsWith(NETSTAT_FILE_REQUIRED_EXTENSION)) {
-          saveToFile = saveAs + NETSTAT_FILE_REQUIRED_EXTENSION;
-        }
-        resultData.addAsFile(saveToFile, resultInfo.toString(),
-            CliStrings.NETSTAT__MSG__SAVED_OUTPUT_IN_0, false); // Note: substitution for {0} will
-        // happen on client side.
-      } else {
-        resultData.addLine(resultInfo.toString());
-      }
-      result = ResultBuilder.buildResult(resultData);
-    } catch (IllegalArgumentException e) {
-      LogWrapper.getInstance()
-          .info(CliStrings.format(
-              CliStrings.NETSTAT__MSG__ERROR_OCCURRED_WHILE_EXECUTING_NETSTAT_ON_0,
-              new Object[] {Arrays.toString(members)}));
-      result = ResultBuilder.createUserErrorResult(e.getMessage());
-    } catch (RuntimeException e) {
-      LogWrapper.getInstance()
-          .info(CliStrings.format(
-              CliStrings.NETSTAT__MSG__ERROR_OCCURRED_WHILE_EXECUTING_NETSTAT_ON_0,
-              new Object[] {Arrays.toString(members)}), e);
-      result = ResultBuilder.createGemFireErrorResult(
-          CliStrings.format(CliStrings.NETSTAT__MSG__ERROR_OCCURRED_WHILE_EXECUTING_NETSTAT_ON_0,
-              new Object[] {Arrays.toString(members)}));
-    } finally {
-      hostMemberMap.clear();
-      hostMemberListMap.clear();
-    }
-    return result;
-  }
-
-  private void buildMaps(Map<String, DistributedMember> hostMemberMap,
-      Map<String, List<String>> hostMemberListMap, String memberIdOrName,
-      DistributedMember distributedMember) {
-    String host = distributedMember.getHost();
-
-    // Maintain one member for a host - function execution purpose - once only for a host
-    if (!hostMemberMap.containsKey(host)) {
-      hostMemberMap.put(host, distributedMember);
-    }
-
-    // Maintain all members for a host - display purpose
-    List<String> list;
-    if (!hostMemberListMap.containsKey(host)) {
-      list = new ArrayList<>();
-      hostMemberListMap.put(host, list);
-    } else {
-      list = hostMemberListMap.get(host);
-    }
-    list.add(memberIdOrName);
-  }
-
-  @CliCommand(value = CliStrings.SHOW_DEADLOCK, help = CliStrings.SHOW_DEADLOCK__HELP)
-  @CliMetaData(relatedTopic = {CliStrings.TOPIC_GEODE_DEBUG_UTIL})
-  @ResourceOperation(resource = Resource.CLUSTER, operation = Operation.READ)
-  public Result showDeadlock(@CliOption(key = CliStrings.SHOW_DEADLOCK__DEPENDENCIES__FILE,
-      help = CliStrings.SHOW_DEADLOCK__DEPENDENCIES__FILE__HELP,
-      mandatory = true) String filename) {
-
-    Result result;
-    try {
-      if (!filename.endsWith(".txt")) {
-        return ResultBuilder
-            .createUserErrorResult(CliStrings.format(CliStrings.INVALID_FILE_EXTENSION, ".txt"));
-      }
-      InternalCache cache = getCache();
-
-      Set<DistributedMember> allMembers = CliUtil.getAllMembers(cache);
-      GemFireDeadlockDetector gfeDeadLockDetector = new GemFireDeadlockDetector(allMembers);
-      DependencyGraph dependencyGraph = gfeDeadLockDetector.find();
-      Collection<Dependency> deadlock = dependencyGraph.findCycle();
-      DependencyGraph deepest = null;
-      if (deadlock == null) {
-        deepest = dependencyGraph.findLongestCallChain();
-        if (deepest != null) {
-          deadlock = deepest.getEdges();
-        }
-      }
-      Set<Dependency> dependencies = (Set<Dependency>) dependencyGraph.getEdges();
-
-      InfoResultData resultData = ResultBuilder.createInfoResultData();
-
-      if (deadlock != null) {
-        if (deepest != null) {
-          resultData.addLine(CliStrings.SHOW_DEADLOCK__DEEPEST_FOUND);
-        } else {
-          resultData.addLine(CliStrings.SHOW_DEADLOCK__DEADLOCK__DETECTED);
-        }
-        resultData.addLine(DeadlockDetector.prettyFormat(deadlock));
-      } else {
-        resultData.addLine(CliStrings.SHOW_DEADLOCK__NO__DEADLOCK);
-      }
-      resultData.addAsFile(filename, DeadlockDetector.prettyFormat(dependencies),
-          MessageFormat.format(CliStrings.SHOW_DEADLOCK__DEPENDENCIES__REVIEW, filename), false);
-      result = ResultBuilder.buildResult(resultData);
-
-    } catch (Exception e) {
-      result = ResultBuilder
-          .createGemFireErrorResult(CliStrings.SHOW_DEADLOCK__ERROR + " : " + e.getMessage());
-    }
-    return result;
-  }
-
-  @CliCommand(value = CliStrings.SHOW_LOG, help = CliStrings.SHOW_LOG_HELP)
-  @CliMetaData(relatedTopic = {CliStrings.TOPIC_GEODE_DEBUG_UTIL})
-  @ResourceOperation(resource = Resource.CLUSTER, operation = Operation.READ)
-  public Result showLog(
-      @CliOption(key = CliStrings.MEMBER, optionContext = ConverterHint.ALL_MEMBER_IDNAME,
-          help = CliStrings.SHOW_LOG_MEMBER_HELP, mandatory = true) String memberNameOrId,
-      @CliOption(key = CliStrings.SHOW_LOG_LINE_NUM, unspecifiedDefaultValue = "0",
-          help = CliStrings.SHOW_LOG_LINE_NUM_HELP) int numberOfLines) {
-    Result result;
-    try {
-      InternalCache cache = getCache();
-      SystemManagementService service =
-          (SystemManagementService) ManagementService.getExistingManagementService(cache);
-      MemberMXBean bean;
-      DistributedMember memberToBeInvoked = CliUtil.getDistributedMemberByNameOrId(memberNameOrId);
-      if (memberToBeInvoked != null) {
-        String memberId = memberToBeInvoked.getId();
-
-        if (cache.getDistributedSystem().getDistributedMember().getId().equals(memberId)) {
-          bean = service.getMemberMXBean();
-        } else {
-          ObjectName objectName = service.getMemberMBeanName(memberToBeInvoked);
-          bean = service.getMBeanProxy(objectName, MemberMXBean.class);
-        }
-
-        if (numberOfLines > ManagementConstants.MAX_SHOW_LOG_LINES) {
-          numberOfLines = ManagementConstants.MAX_SHOW_LOG_LINES;
-        }
-        if (numberOfLines == 0 || numberOfLines < 0) {
-          numberOfLines = ManagementConstants.DEFAULT_SHOW_LOG_LINES;
-        }
-        InfoResultData resultData = ResultBuilder.createInfoResultData();
-        if (bean != null) {
-          String log = bean.showLog(numberOfLines);
-          if (log != null) {
-            resultData.addLine(log);
-          } else {
-            resultData.addLine(CliStrings.SHOW_LOG_NO_LOG);
-          }
-        } else {
-          ErrorResultData errorResultData =
-              ResultBuilder.createErrorResultData().setErrorCode(ResultBuilder.ERRORCODE_DEFAULT)
-                  .addLine(memberNameOrId + CliStrings.SHOW_LOG_MSG_MEMBER_NOT_FOUND);
-          return (ResultBuilder.buildResult(errorResultData));
-        }
-
-        result = ResultBuilder.buildResult(resultData);
-      } else {
-        ErrorResultData errorResultData =
-            ResultBuilder.createErrorResultData().setErrorCode(ResultBuilder.ERRORCODE_DEFAULT)
-                .addLine(memberNameOrId + CliStrings.SHOW_LOG_MSG_MEMBER_NOT_FOUND);
-        return (ResultBuilder.buildResult(errorResultData));
-      }
-
-    } catch (Exception e) {
-      result = ResultBuilder
-          .createGemFireErrorResult(CliStrings.SHOW_LOG_ERROR + CliUtil.stackTraceAsString(e));
-    }
-    return result;
-  }
-
-  /**
-   * Current implementation supports writing it to a file and returning the location of the file
-   */
-  @CliCommand(value = CliStrings.EXPORT_STACKTRACE, help = CliStrings.EXPORT_STACKTRACE__HELP)
-  @CliMetaData(relatedTopic = {CliStrings.TOPIC_GEODE_DEBUG_UTIL})
-  @ResourceOperation(resource = Resource.CLUSTER, operation = Operation.READ)
-  public Result exportStackTrace(@CliOption(key = {CliStrings.MEMBER, CliStrings.MEMBERS},
-      optionContext = ConverterHint.ALL_MEMBER_IDNAME,
-      help = CliStrings.EXPORT_STACKTRACE__MEMBER__HELP) String[] memberNameOrId,
-
-      @CliOption(key = {CliStrings.GROUP, CliStrings.GROUPS},
-          optionContext = ConverterHint.ALL_MEMBER_IDNAME,
-          help = CliStrings.EXPORT_STACKTRACE__GROUP__HELP) String[] group,
-
-      @CliOption(key = CliStrings.EXPORT_STACKTRACE__FILE,
-          help = CliStrings.EXPORT_STACKTRACE__FILE__HELP) String fileName,
-
-      @CliOption(key = CliStrings.EXPORT_STACKTRACE__FAIL__IF__FILE__PRESENT,
-          unspecifiedDefaultValue = "false",
-          help = CliStrings.EXPORT_STACKTRACE__FAIL__IF__FILE__PRESENT__HELP) boolean failIfFilePresent) {
-
-    Result result;
-    StringBuffer filePrefix = new StringBuffer("stacktrace");
-
-    if (fileName == null) {
-      fileName = filePrefix.append("_").append(System.currentTimeMillis()).toString();
-    }
-    final File outFile = new File(fileName);
-    try {
-      if (outFile.exists() && failIfFilePresent) {
-        return ResultBuilder.createShellClientErrorResult(CliStrings.format(
-            CliStrings.EXPORT_STACKTRACE__ERROR__FILE__PRESENT, outFile.getCanonicalPath()));
-      }
-
-
-      InternalCache cache = getCache();
-      InternalDistributedSystem ads = cache.getInternalDistributedSystem();
-
-      InfoResultData resultData = ResultBuilder.createInfoResultData();
-
-      Map<String, byte[]> dumps = new HashMap<>();
-      Set<DistributedMember> targetMembers = CliUtil.findMembers(group, memberNameOrId);
-      if (targetMembers.isEmpty()) {
-        return ResultBuilder.createUserErrorResult(CliStrings.NO_MEMBERS_FOUND_MESSAGE);
-      }
-
-      ResultCollector<?, ?> rc =
-          CliUtil.executeFunction(getStackTracesFunction, null, targetMembers);
-      ArrayList<Object> resultList = (ArrayList<Object>) rc.getResult();
-
-      for (Object resultObj : resultList) {
-        if (resultObj instanceof StackTracesPerMember) {
-          StackTracesPerMember stackTracePerMember = (StackTracesPerMember) resultObj;
-          dumps.put(stackTracePerMember.getMemberNameOrId(), stackTracePerMember.getStackTraces());
-        }
-      }
-
-      String filePath = writeStacksToFile(dumps, fileName);
-      resultData.addLine(CliStrings.format(CliStrings.EXPORT_STACKTRACE__SUCCESS, filePath));
-      resultData.addLine(CliStrings.EXPORT_STACKTRACE__HOST + ads.getDistributedMember().getHost());
-
-      result = ResultBuilder.buildResult(resultData);
-    } catch (IOException ex) {
-      result = ResultBuilder
-          .createGemFireErrorResult(CliStrings.EXPORT_STACKTRACE__ERROR + ex.getMessage());
-    }
-    return result;
-  }
-
-  /**
-   * Interceptor used by gfsh to intercept execution of shutdownall.
-   */
-  public static class ExportStackTraceInterceptor extends AbstractCliAroundInterceptor {
-    @Override
-    public Result preExecution(GfshParseResult parseResult) {
-
-      Map<String, String> paramValueMap = parseResult.getParamValueStrings();
-      String fileName = paramValueMap.get(CliStrings.EXPORT_STACKTRACE__FILE);
-
-      Response response = readYesNo(
-          CliStrings.format(CliStrings.EXPORT_STACKTRACE_WARN_USER, fileName), Response.YES);
-      if (response == Response.NO) {
-        return ResultBuilder
-            .createShellClientAbortOperationResult(CliStrings.EXPORT_STACKTRACE_MSG_ABORTING);
-      } else {
-        // we don't to show any info result
-        return ResultBuilder.createInfoResult("");
-      }
-    }
-  }
-
-  /***
-   * Writes the Stack traces member-wise to a text file
-   *
-   * @param dumps - Map containing key : member , value : zipped stack traces
-   * @param fileName - Name of the file to which the stack-traces are written to
-   * @return Canonical path of the file which contains the stack-traces
-   * @throws IOException
-   */
-  private String writeStacksToFile(Map<String, byte[]> dumps, String fileName) throws IOException {
-    String filePath;
-    PrintWriter ps;
-    File outputFile;
-
-    outputFile = new File(fileName);
-    try (OutputStream os = new FileOutputStream(outputFile)) {
-      ps = new PrintWriter(os);
-
-      for (Entry<String, byte[]> entry : dumps.entrySet()) {
-        ps.append("*** Stack-trace for member " + entry.getKey() + " ***");
-        ps.flush();
-        GZIPInputStream zipIn = new GZIPInputStream(new ByteArrayInputStream(entry.getValue()));
-        BufferedInputStream bin = new BufferedInputStream(zipIn);
-        byte[] buffer = new byte[10000];
-        int count;
-        while ((count = bin.read(buffer)) != -1) {
-          os.write(buffer, 0, count);
-        }
-        ps.append('\n');
-      }
-      ps.flush();
-      filePath = outputFile.getCanonicalPath();
-    }
-
-    return filePath;
-  }
-
-  @CliCommand(value = CliStrings.SHOW_METRICS, help = CliStrings.SHOW_METRICS__HELP)
-  @CliMetaData(relatedTopic = {CliStrings.TOPIC_GEODE_STATISTICS})
-  @ResourceOperation(resource = Resource.CLUSTER, operation = Operation.READ)
-  public Result showMetrics(
-      @CliOption(key = {CliStrings.MEMBER}, optionContext = ConverterHint.ALL_MEMBER_IDNAME,
-          help = CliStrings.SHOW_METRICS__MEMBER__HELP) String memberNameOrId,
-      @CliOption(key = {CliStrings.SHOW_METRICS__REGION}, optionContext = ConverterHint.REGION_PATH,
-          help = CliStrings.SHOW_METRICS__REGION__HELP) String regionName,
-      @CliOption(key = {CliStrings.SHOW_METRICS__FILE},
-          help = CliStrings.SHOW_METRICS__FILE__HELP) String export_to_report_to,
-      @CliOption(key = {CliStrings.SHOW_METRICS__CACHESERVER__PORT},
-          help = CliStrings.SHOW_METRICS__CACHESERVER__PORT__HELP) String cacheServerPortString,
-      @CliOption(key = {CliStrings.SHOW_METRICS__CATEGORY},
-          help = CliStrings.SHOW_METRICS__CATEGORY__HELP) String[] categories) {
-
-    Result result;
-    try {
-
-      if (export_to_report_to != null && !export_to_report_to.isEmpty()) {
-        if (!export_to_report_to.endsWith(".csv")) {
-          return ResultBuilder
-              .createUserErrorResult(CliStrings.format(CliStrings.INVALID_FILE_EXTENSION, ".csv"));
-        }
-      }
-      if (regionName != null && !regionName.isEmpty()) {
-
-        if (!org.apache.geode.internal.lang.StringUtils.isBlank(cacheServerPortString)) {
-          return ResultBuilder
-              .createUserErrorResult(CliStrings.SHOW_METRICS__CANNOT__USE__CACHESERVERPORT);
-        }
-
-        // MBean names contain the forward slash
-        if (!regionName.startsWith("/")) {
-          regionName = "/" + regionName;
-        }
-
-        if (memberNameOrId == null || memberNameOrId.isEmpty()) {
-          result = ResultBuilder.buildResult(
-              getDistributedRegionMetrics(regionName, export_to_report_to, categories));
-        } else {
-          DistributedMember member = CliUtil.getDistributedMemberByNameOrId(memberNameOrId);
-
-          if (member != null) {
-            result = ResultBuilder.buildResult(
-                getRegionMetricsFromMember(regionName, member, export_to_report_to, categories));
-          } else {
-            ErrorResultData erd = ResultBuilder.createErrorResultData();
-            erd.addLine(
-                CliStrings.format(CliStrings.MEMBER_NOT_FOUND_ERROR_MESSAGE, memberNameOrId));
-            result = ResultBuilder.buildResult(erd);
-          }
-        }
-      } else if (memberNameOrId != null && !memberNameOrId.isEmpty()) {
-
-        DistributedMember member = CliUtil.getDistributedMemberByNameOrId(memberNameOrId);
-
-        if (member != null) {
-          int cacheServerPort = -1;
-          if (cacheServerPortString != null && !cacheServerPortString.isEmpty()) {
-            try {
-              cacheServerPort = Integer.parseInt(cacheServerPortString);
-            } catch (NumberFormatException nfe) {
-              return ResultBuilder.createUserErrorResult("Invalid port");
-            }
-          }
-          result = ResultBuilder.buildResult(
-              getMemberMetrics(member, export_to_report_to, categories, cacheServerPort));
-        } else {
-          ErrorResultData erd = ResultBuilder.createErrorResultData();
-          erd.addLine(CliStrings.format(CliStrings.MEMBER_NOT_FOUND_ERROR_MESSAGE, memberNameOrId));
-          result = ResultBuilder.buildResult(erd);
-        }
-      } else {
-        if (!org.apache.geode.internal.lang.StringUtils.isBlank(cacheServerPortString)) {
-          return ResultBuilder
-              .createUserErrorResult(CliStrings.SHOW_METRICS__CANNOT__USE__CACHESERVERPORT);
-        }
-        result = ResultBuilder.buildResult(getSystemWideMetrics(export_to_report_to, categories));
-      }
-    } catch (Exception e) {
-      logger.error(e.getMessage(), e);
-      return ResultBuilder.createGemFireErrorResult(CliUtil.stackTraceAsString(e));
-    }
-    return result;
-  }
-
-  /**
-   * Gets the system wide metrics
-   *
-   * @return ResultData with required System wide statistics or ErrorResultData if DS MBean is not
-   *         found to gather metrics
-   */
-  private ResultData getSystemWideMetrics(String export_to_report_to, String[] categoriesArr) {
-    final InternalCache cache = getCache();
-    final ManagementService managementService = ManagementService.getManagementService(cache);
-    DistributedSystemMXBean dsMxBean = managementService.getDistributedSystemMXBean();
-    StringBuilder csvBuilder = null;
-    if (dsMxBean != null) {
-
-      if (export_to_report_to != null && !export_to_report_to.isEmpty()) {
-        csvBuilder = new StringBuilder();
-        csvBuilder.append("Category");
-        csvBuilder.append(',');
-        csvBuilder.append(CliStrings.SHOW_METRICS__METRIC__HEADER);
-        csvBuilder.append(',');
-        csvBuilder.append(CliStrings.SHOW_METRICS__VALUE__HEADER);
-        csvBuilder.append('\n');
-      }
-
-      CompositeResultData crd = ResultBuilder.createCompositeResultData();
-      SectionResultData section = crd.addSection();
-      TabularResultData metricsTable = section.addTable();
-      Map<String, Boolean> categoriesMap = getSystemMetricsCategories();
-
-      if (categoriesArr != null && categoriesArr.length != 0) {
-        Set<String> categories = createSet(categoriesArr);
-        Set<String> checkSet = new HashSet<>(categoriesMap.keySet());
-        Set<String> userCategories = getSetDifference(categories, checkSet);
-
-        // Checking if the categories specified by the user are valid or not
-
-        if (userCategories.isEmpty()) {
-          for (String category : checkSet) {
-            categoriesMap.put(category, false);
-          }
-          for (String category : categories) {
-            categoriesMap.put(category.toLowerCase(), true);
-          }
-        } else {
-          StringBuilder sb = new StringBuilder();
-          sb.append("Invalid Categories\n");
-
-          for (String category : userCategories) {
-            sb.append(category);
-            sb.append('\n');
-          }
-          return ResultBuilder.createErrorResultData().addLine(sb.toString());
-        }
-      }
-      metricsTable.setHeader("Cluster-wide Metrics");
-
-      if (categoriesMap.get("cluster")) {
-        writeToTableAndCsv(metricsTable, "cluster", "totalHeapSize", dsMxBean.getTotalHeapSize(),
-            csvBuilder);
-      }
-
-      if (categoriesMap.get("cache")) {
-        writeToTableAndCsv(metricsTable, "cache", "totalRegionEntryCount",
-            dsMxBean.getTotalRegionEntryCount(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "totalRegionCount", dsMxBean.getTotalRegionCount(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "totalMissCount", dsMxBean.getTotalMissCount(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "totalHitCount", dsMxBean.getTotalHitCount(),
-            csvBuilder);
-      }
-
-      if (categoriesMap.get("diskstore")) {
-        writeToTableAndCsv(metricsTable, "diskstore", "totalDiskUsage",
-            dsMxBean.getTotalDiskUsage(), csvBuilder); // deadcoded to workaround bug 46397
-        writeToTableAndCsv(metricsTable, ""/* 46608 */, "diskReadsRate",
-            dsMxBean.getDiskReadsRate(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "diskWritesRate", dsMxBean.getDiskWritesRate(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "flushTimeAvgLatency",
-            dsMxBean.getDiskFlushAvgLatency(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "totalBackupInProgress",
-            dsMxBean.getTotalBackupInProgress(), csvBuilder);
-      }
-
-      if (categoriesMap.get("query")) {
-        writeToTableAndCsv(metricsTable, "query", "activeCQCount", dsMxBean.getActiveCQCount(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "queryRequestRate", dsMxBean.getQueryRequestRate(),
-            csvBuilder);
-      }
-      if (export_to_report_to != null && !export_to_report_to.isEmpty()) {
-        crd.addAsFile(export_to_report_to, csvBuilder.toString(),
-            "Cluster wide metrics exported to {0}.", false);
-      }
-
-      return crd;
-    } else {
-      String errorMessage =
-          CliStrings.format(CliStrings.SHOW_METRICS__ERROR, "Distributed System MBean not found");
-      return ResultBuilder.createErrorResultData().addLine(errorMessage);
-    }
-  }
-
-  /**
-   * Gets the Cluster wide metrics for a given member
-   *
-   * @return ResultData with required Member statistics or ErrorResultData if MemberMbean is not
-   *         found to gather metrics
-   * @throws ResultDataException if building result fails
-   */
-  private ResultData getMemberMetrics(DistributedMember distributedMember,
-      String export_to_report_to, String[] categoriesArr, int cacheServerPort)
-      throws ResultDataException {
-    final InternalCache cache = getCache();
-    final SystemManagementService managementService =
-        (SystemManagementService) ManagementService.getManagementService(cache);
-
-    ObjectName memberMBeanName = managementService.getMemberMBeanName(distributedMember);
-    MemberMXBean memberMxBean =
-        managementService.getMBeanInstance(memberMBeanName, MemberMXBean.class);
-    ObjectName csMxBeanName;
-    CacheServerMXBean csMxBean = null;
-
-    if (memberMxBean != null) {
-
-      if (cacheServerPort != -1) {
-        csMxBeanName =
-            managementService.getCacheServerMBeanName(cacheServerPort, distributedMember);
-        csMxBean = managementService.getMBeanInstance(csMxBeanName, CacheServerMXBean.class);
-
-        if (csMxBean == null) {
-          ErrorResultData erd = ResultBuilder.createErrorResultData();
-          erd.addLine(CliStrings.format(CliStrings.SHOW_METRICS__CACHE__SERVER__NOT__FOUND,
-              cacheServerPort, MBeanJMXAdapter.getMemberNameOrId(distributedMember)));
-          return erd;
-        }
-      }
-
-      JVMMetrics jvmMetrics = memberMxBean.showJVMMetrics();
-
-      CompositeResultData crd = ResultBuilder.createCompositeResultData();
-      SectionResultData section = crd.addSection();
-      TabularResultData metricsTable = section.addTable();
-      metricsTable.setHeader("Member Metrics");
-      StringBuilder csvBuilder = null;
-
-      if (export_to_report_to != null && !export_to_report_to.isEmpty()) {
-        csvBuilder = new StringBuilder();
-        csvBuilder.append("Category");
-        csvBuilder.append(',');
-        csvBuilder.append(CliStrings.SHOW_METRICS__METRIC__HEADER);
-        csvBuilder.append(',');
-        csvBuilder.append(CliStrings.SHOW_METRICS__VALUE__HEADER);
-        csvBuilder.append('\n');
-      }
-
-      Map<String, Boolean> categoriesMap = getMemberMetricsCategories();
-
-      if (categoriesArr != null && categoriesArr.length != 0) {
-        Set<String> categories = createSet(categoriesArr);
-        Set<String> checkSet = new HashSet<>(categoriesMap.keySet());
-        Set<String> userCategories = getSetDifference(categories, checkSet);
-
-        // Checking if the categories specified by the user are valid or not
-        if (userCategories.isEmpty()) {
-          for (String category : checkSet) {
-            categoriesMap.put(category, false);
-          }
-          for (String category : categories) {
-            categoriesMap.put(category.toLowerCase(), true);
-          }
-        } else {
-          StringBuilder sb = new StringBuilder();
-          sb.append("Invalid Categories\n");
-
-          for (String category : userCategories) {
-            sb.append(category);
-            sb.append('\n');
-          }
-          return ResultBuilder.createErrorResultData().addLine(sb.toString());
-        }
-      }
-
-      /*
-       * Member Metrics
-       */
-      // member, jvm, region, serialization, communication, function, transaction, diskstore, lock,
-      // eviction, distribution
-      if (categoriesMap.get("member")) {
-        writeToTableAndCsv(metricsTable, "member", "upTime", memberMxBean.getMemberUpTime(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "cpuUsage", memberMxBean.getCpuUsage(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "currentHeapSize", memberMxBean.getCurrentHeapSize(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "maximumHeapSize", memberMxBean.getMaximumHeapSize(),
-            csvBuilder);
-      }
-      /*
-       * JVM Metrics
-       */
-      if (categoriesMap.get("jvm")) {
-        writeToTableAndCsv(metricsTable, "jvm ", "jvmThreads ", jvmMetrics.getTotalThreads(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "fileDescriptorLimit",
-            memberMxBean.getFileDescriptorLimit(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "totalFileDescriptorOpen",
-            memberMxBean.getTotalFileDescriptorOpen(), csvBuilder);
-      }
-      /*
-       * Member wide region metrics
-       */
-      if (categoriesMap.get("region")) {
-        writeToTableAndCsv(metricsTable, "region ", "totalRegionCount ",
-            memberMxBean.getTotalRegionCount(), csvBuilder);
-        String[] regionNames = memberMxBean.listRegions();
-        if (regionNames != null) {
-          for (int i = 0; i < regionNames.length; i++) {
-            if (i == 0) {
-              writeToTableAndCsv(metricsTable, "", "listOfRegions", regionNames[i].substring(1),
-                  csvBuilder);
-            } else {
-              writeToTableAndCsv(metricsTable, "", "", regionNames[i].substring(1), csvBuilder);
-            }
-          }
-        }
-
-        String[] rootRegionNames = memberMxBean.getRootRegionNames();
-        if (rootRegionNames != null) {
-          for (int i = 0; i < rootRegionNames.length; i++) {
-            if (i == 0) {
-              writeToTableAndCsv(metricsTable, "", "rootRegions", rootRegionNames[i], csvBuilder);
-            } else {
-              writeToTableAndCsv(metricsTable, "", "", rootRegionNames[i], csvBuilder);
-            }
-          }
-        }
-        writeToTableAndCsv(metricsTable, "", "totalRegionEntryCount",
-            memberMxBean.getTotalRegionEntryCount(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "totalBucketCount", memberMxBean.getTotalBucketCount(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "totalPrimaryBucketCount",
-            memberMxBean.getTotalPrimaryBucketCount(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "getsAvgLatency", memberMxBean.getGetsAvgLatency(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "putsAvgLatency", memberMxBean.getPutsAvgLatency(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "createsRate", memberMxBean.getCreatesRate(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "destroyRate", memberMxBean.getDestroysRate(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "putAllAvgLatency", memberMxBean.getPutAllAvgLatency(),
-            csvBuilder);
-        // Not available from stats. After Stats re-org it will be available
-        // writeToTableAndCsv(metricsTable, "", "getAllAvgLatency",
-        // memberMxBean.getGetAllAvgLatency(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "totalMissCount", memberMxBean.getTotalMissCount(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "totalHitCount", memberMxBean.getTotalHitCount(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "getsRate", memberMxBean.getGetsRate(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "putsRate", memberMxBean.getPutsRate(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "cacheWriterCallsAvgLatency",
-            memberMxBean.getCacheWriterCallsAvgLatency(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "cacheListenerCallsAvgLatency",
-            memberMxBean.getCacheListenerCallsAvgLatency(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "totalLoadsCompleted",
-            memberMxBean.getTotalLoadsCompleted(), csvBuilder);
-      }
-
-      /*
-       * SERIALIZATION
-       */
-      if (categoriesMap.get("serialization")) {
-        writeToTableAndCsv(metricsTable, "serialization", "serializationRate",
-            memberMxBean.getSerializationRate(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "serializationLatency",
-            memberMxBean.getSerializationRate(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "deserializationRate",
-            memberMxBean.getDeserializationRate(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "deserializationLatency",
-            memberMxBean.getDeserializationLatency(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "deserializationAvgLatency",
-            memberMxBean.getDeserializationAvgLatency(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "PDXDeserializationAvgLatency",
-            memberMxBean.getPDXDeserializationAvgLatency(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "PDXDeserializationRate",
-            memberMxBean.getPDXDeserializationRate(), csvBuilder);
-      }
-
-      /*
-       * Communication Metrics
-       */
-      if (categoriesMap.get("communication")) {
-        writeToTableAndCsv(metricsTable, "communication", "bytesSentRate",
-            memberMxBean.getBytesSentRate(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "bytesReceivedRate",
-            memberMxBean.getBytesReceivedRate(), csvBuilder);
-        String[] connectedGatewayReceivers = memberMxBean.listConnectedGatewayReceivers();
-        writeToTableAndCsv(metricsTable, "", "connectedGatewayReceivers", connectedGatewayReceivers,
-            csvBuilder);
-
-        String[] connectedGatewaySenders = memberMxBean.listConnectedGatewaySenders();
-        writeToTableAndCsv(metricsTable, "", "connectedGatewaySenders", connectedGatewaySenders,
-            csvBuilder);
-      }
-
-      /*
-       * Member wide function metrics
-       */
-      if (categoriesMap.get("function")) {
-        writeToTableAndCsv(metricsTable, "function", "numRunningFunctions",
-            memberMxBean.getNumRunningFunctions(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "functionExecutionRate",
-            memberMxBean.getFunctionExecutionRate(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "numRunningFunctionsHavingResults",
-            memberMxBean.getNumRunningFunctionsHavingResults(), csvBuilder);
-      }
-
-      /*
-       * totalTransactionsCount currentTransactionalThreadIds transactionCommitsAvgLatency
-       * transactionCommittedTotalCount transactionRolledBackTotalCount transactionCommitsRate
-       */
-      if (categoriesMap.get("transaction")) {
-        writeToTableAndCsv(metricsTable, "transaction", "totalTransactionsCount",
-            memberMxBean.getTotalTransactionsCount(), csvBuilder);
-
-        writeToTableAndCsv(metricsTable, "", "transactionCommitsAvgLatency",
-            memberMxBean.getTransactionCommitsAvgLatency(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "transactionCommittedTotalCount",
-            memberMxBean.getTransactionCommittedTotalCount(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "transactionRolledBackTotalCount",
-            memberMxBean.getTransactionRolledBackTotalCount(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "transactionCommitsRate",
-            memberMxBean.getTransactionCommitsRate(), csvBuilder);
-      }
-      /*
-       * Member wide disk metrics
-       */
-      if (categoriesMap.get("diskstore")) {
-        writeToTableAndCsv(metricsTable, "diskstore", "totalDiskUsage",
-            memberMxBean.getTotalDiskUsage(), csvBuilder); // deadcoded to workaround bug 46397
-        writeToTableAndCsv(metricsTable, ""/* 46608 */, "diskReadsRate",
-            memberMxBean.getDiskReadsRate(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "diskWritesRate", memberMxBean.getDiskWritesRate(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "flushTimeAvgLatency",
-            memberMxBean.getDiskFlushAvgLatency(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "totalQueueSize",
-            memberMxBean.getTotalDiskTasksWaiting(), csvBuilder); // deadcoded to workaround bug
-        // 46397
-        writeToTableAndCsv(metricsTable, "", "totalBackupInProgress",
-            memberMxBean.getTotalBackupInProgress(), csvBuilder);
-      }
-      /*
-       * Member wide Lock
-       */
-      if (categoriesMap.get("lock")) {
-        writeToTableAndCsv(metricsTable, "lock", "lockWaitsInProgress",
-            memberMxBean.getLockWaitsInProgress(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "totalLockWaitTime",
-            memberMxBean.getTotalLockWaitTime(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "totalNumberOfLockService",
-            memberMxBean.getTotalNumberOfLockService(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "requestQueues", memberMxBean.getLockRequestQueues(),
-            csvBuilder);
-      }
-      /*
-       * Eviction
-       */
-      if (categoriesMap.get("eviction")) {
-        writeToTableAndCsv(metricsTable, "eviction", "lruEvictionRate",
-            memberMxBean.getLruEvictionRate(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "lruDestroyRate", memberMxBean.getLruDestroyRate(),
-            csvBuilder);
-      }
-      /*
-       * Distribution
-       */
-      if (categoriesMap.get("distribution")) {
-        writeToTableAndCsv(metricsTable, "distribution", "getInitialImagesInProgress",
-            memberMxBean.getInitialImagesInProgress(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "getInitialImageTime",
-            memberMxBean.getInitialImageTime(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "getInitialImageKeysReceived",
-            memberMxBean.getInitialImageKeysReceived(), csvBuilder);
-      }
-
-      /*
-       * OffHeap
-       */
-      if (categoriesMap.get("offheap")) {
-        writeToTableAndCsv(metricsTable, "offheap", "maxMemory", memberMxBean.getOffHeapMaxMemory(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "freeMemory", memberMxBean.getOffHeapFreeMemory(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "usedMemory", memberMxBean.getOffHeapUsedMemory(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "objects", memberMxBean.getOffHeapObjects(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "fragmentation",
-            memberMxBean.getOffHeapFragmentation(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "compactionTime",
-            memberMxBean.getOffHeapCompactionTime(), csvBuilder);
-      }
-
-      /*
-       * CacheServer stats
-       */
-      if (csMxBean != null) {
-        writeToTableAndCsv(metricsTable, "cache-server", "clientConnectionCount",
-            csMxBean.getClientConnectionCount(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "hostnameForClients", csMxBean.getHostNameForClients(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "getRequestAvgLatency",
-            csMxBean.getGetRequestAvgLatency(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "putRequestAvgLatency",
-            csMxBean.getPutRequestAvgLatency(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "totalConnectionsTimedOut",
-            csMxBean.getTotalConnectionsTimedOut(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "threadQueueSize", csMxBean.getPutRequestAvgLatency(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "connectionThreads", csMxBean.getConnectionThreads(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "connectionLoad", csMxBean.getConnectionLoad(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "loadPerConnection", csMxBean.getLoadPerConnection(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "queueLoad", csMxBean.getQueueLoad(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "loadPerQueue", csMxBean.getLoadPerQueue(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "getRequestRate", csMxBean.getGetRequestRate(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "putRequestRate", csMxBean.getPutRequestRate(),
-            csvBuilder);
-
-        /*
-         * Notification
-         */
-        writeToTableAndCsv(metricsTable, "notification", "numClientNotificationRequests",
-            csMxBean.getNumClientNotificationRequests(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "clientNotificationRate",
-            csMxBean.getClientNotificationRate(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "clientNotificationAvgLatency",
-            csMxBean.getClientNotificationAvgLatency(), csvBuilder);
-
-        /*
-         * Query
-         */
-        writeToTableAndCsv(metricsTable, "query", "activeCQCount", csMxBean.getActiveCQCount(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "query", "queryRequestRate",
-            csMxBean.getQueryRequestRate(), csvBuilder);
-
-        writeToTableAndCsv(metricsTable, "", "indexCount", csMxBean.getIndexCount(), csvBuilder);
-
-        String[] indexList = csMxBean.getIndexList();
-        writeToTableAndCsv(metricsTable, "", "index list", indexList, csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "totalIndexMaintenanceTime",
-            csMxBean.getTotalIndexMaintenanceTime(), csvBuilder);
-      }
-
-      if (export_to_report_to != null && !export_to_report_to.isEmpty()) {
-        crd.addAsFile(export_to_report_to, csvBuilder.toString(), "Member metrics exported to {0}.",
-            false);
-      }
-      return crd;
-
-    } else {
-      ErrorResultData erd = ResultBuilder.createErrorResultData();
-      String errorMessage = CliStrings.format(CliStrings.SHOW_METRICS__ERROR, "Member MBean for "
-          + MBeanJMXAdapter.getMemberNameOrId(distributedMember) + " not found");
-      return ResultBuilder.createErrorResultData().addLine(errorMessage);
-    }
-  }
-
-  /**
-   * Gets the Cluster-wide metrics for a region
-   *
-   * @return ResultData containing the table
-   * @throws ResultDataException if building result fails
-   */
-  private ResultData getDistributedRegionMetrics(String regionName, String export_to_report_to,
-      String[] categoriesArr) throws ResultDataException {
-
-    final InternalCache cache = getCache();
-    final ManagementService managementService = ManagementService.getManagementService(cache);
-
-    DistributedRegionMXBean regionMxBean = managementService.getDistributedRegionMXBean(regionName);
-
-    if (regionMxBean != null) {
-      CompositeResultData crd = ResultBuilder.createCompositeResultData();
-      SectionResultData section = crd.addSection();
-      TabularResultData metricsTable = section.addTable();
-      metricsTable.setHeader("Cluster-wide Region Metrics");
-      StringBuilder csvBuilder = null;
-
-      if (export_to_report_to != null && !export_to_report_to.isEmpty()) {
-        csvBuilder = new StringBuilder();
-        csvBuilder.append("Category");
-        csvBuilder.append(',');
-        csvBuilder.append(CliStrings.SHOW_METRICS__METRIC__HEADER);
-        csvBuilder.append(',');
-        csvBuilder.append(CliStrings.SHOW_METRICS__VALUE__HEADER);
-        csvBuilder.append('\n');
-      }
-
-      Map<String, Boolean> categoriesMap = getSystemRegionMetricsCategories();
-
-      if (categoriesArr != null && categoriesArr.length != 0) {
-        Set<String> categories = createSet(categoriesArr);
-        Set<String> checkSet = new HashSet<>(categoriesMap.keySet());
-        Set<String> userCategories = getSetDifference(categories, checkSet);
-
-        // Checking if the categories specified by the user are valid or not
-        if (userCategories.isEmpty()) {
-          for (String category : checkSet) {
-            categoriesMap.put(category, false);
-          }
-          for (String category : categories) {
-            categoriesMap.put(category.toLowerCase(), true);
-          }
-        } else {
-          StringBuilder sb = new StringBuilder();
-          sb.append("Invalid Categories\n");
-
-          for (String category : userCategories) {
-            sb.append(category);
-            sb.append('\n');
-          }
-          return ResultBuilder.createErrorResultData().addLine(sb.toString());
-        }
-      }
-      /*
-       * General System metrics
-       */
-      // cluster, region, partition , diskstore, callback, eviction
-      if (categoriesMap.get("cluster")) {
-        writeToTableAndCsv(metricsTable, "cluster", "member count", regionMxBean.getMemberCount(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "region entry count",
-            regionMxBean.getSystemRegionEntryCount(), csvBuilder);
-      }
-
-      if (categoriesMap.get("region")) {
-        writeToTableAndCsv(metricsTable, "region", "lastModifiedTime",
-            regionMxBean.getLastModifiedTime(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "lastAccessedTime", regionMxBean.getLastAccessedTime(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "missCount", regionMxBean.getMissCount(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "hitCount", regionMxBean.getHitCount(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "hitRatio", regionMxBean.getHitRatio(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "getsRate", regionMxBean.getGetsRate(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "putsRate", regionMxBean.getPutsRate(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "createsRate", regionMxBean.getCreatesRate(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "destroyRate", regionMxBean.getDestroyRate(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "putAllRate", regionMxBean.getPutAllRate(),
-            csvBuilder);
-      }
-
-      if (categoriesMap.get("partition")) {
-        writeToTableAndCsv(metricsTable, "partition", "putLocalRate",
-            regionMxBean.getPutLocalRate(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "putRemoteRate", regionMxBean.getPutRemoteRate(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "putRemoteLatency", regionMxBean.getPutRemoteLatency(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "putRemoteAvgLatency",
-            regionMxBean.getPutRemoteAvgLatency(), csvBuilder);
-
-        writeToTableAndCsv(metricsTable, "", "bucketCount", regionMxBean.getBucketCount(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "primaryBucketCount",
-            regionMxBean.getPrimaryBucketCount(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "numBucketsWithoutRedundancy",
-            regionMxBean.getNumBucketsWithoutRedundancy(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "totalBucketSize", regionMxBean.getTotalBucketSize(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "averageBucketSize", regionMxBean.getAvgBucketSize(),
-            csvBuilder);
-      }
-      /*
-       * Disk store
-       */
-      if (categoriesMap.get("diskstore")) {
-        writeToTableAndCsv(metricsTable, "diskstore", "totalEntriesOnlyOnDisk",
-            regionMxBean.getTotalEntriesOnlyOnDisk(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "diskReadsRate", regionMxBean.getDiskReadsRate(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "diskWritesRate", regionMxBean.getDiskWritesRate(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "totalDiskWriteInProgress",
-            regionMxBean.getTotalDiskWritesProgress(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "diskTaskWaiting", regionMxBean.getDiskTaskWaiting(),
-            csvBuilder);
-
-      }
-      /*
-       * LISTENER
-       */
-      if (categoriesMap.get("callback")) {
-        writeToTableAndCsv(metricsTable, "callback", "cacheWriterCallsAvgLatency",
-            regionMxBean.getCacheWriterCallsAvgLatency(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "cacheListenerCallsAvgLatency",
-            regionMxBean.getCacheListenerCallsAvgLatency(), csvBuilder);
-      }
-
-      /*
-       * Eviction
-       */
-      if (categoriesMap.get("eviction")) {
-        writeToTableAndCsv(metricsTable, "eviction", "lruEvictionRate",
-            regionMxBean.getLruEvictionRate(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "lruDestroyRate", regionMxBean.getLruDestroyRate(),
-            csvBuilder);
-      }
-
-      if (export_to_report_to != null && !export_to_report_to.isEmpty()) {
-        crd.addAsFile(export_to_report_to, csvBuilder.toString(),
-            "Aggregate Region Metrics exported to {0}.", false);
-      }
-
-      return crd;
-    } else {
-      ErrorResultData erd = ResultBuilder.createErrorResultData();
-      String errorMessage = CliStrings.format(CliStrings.SHOW_METRICS__ERROR,
-          "Distributed Region MBean for " + regionName + " not found");
-      erd.addLine(errorMessage);
-      return erd;
-    }
-  }
-
-  /**
-   * Gets the metrics of region on a given member
-   *
-   * @return ResultData with required Region statistics or ErrorResultData if Region MBean is not
-   *         found to gather metrics
-   * @throws ResultDataException if building result fails
-   */
-  private ResultData getRegionMetricsFromMember(String regionName,
-      DistributedMember distributedMember, String export_to_report_to, String[] categoriesArr)
-      throws ResultDataException {
-
-    final InternalCache cache = getCache();
-    final SystemManagementService managementService =
-        (SystemManagementService) ManagementService.getManagementService(cache);
-
-    ObjectName regionMBeanName =
-        managementService.getRegionMBeanName(distributedMember, regionName);
-    RegionMXBean regionMxBean =
-        managementService.getMBeanInstance(regionMBeanName, RegionMXBean.class);
-
-    if (regionMxBean != null) {
-      CompositeResultData crd = ResultBuilder.createCompositeResultData();
-      SectionResultData section = crd.addSection();
-      TabularResultData metricsTable = section.addTable();
-      metricsTable.setHeader("Metrics for region:" + regionName + " On Member "
-          + MBeanJMXAdapter.getMemberNameOrId(distributedMember));
-      StringBuilder csvBuilder = null;
-
-      if (export_to_report_to != null && !export_to_report_to.isEmpty()) {
-        csvBuilder = new StringBuilder();
-        csvBuilder.append("Category");
-        csvBuilder.append(',');
-        csvBuilder.append(CliStrings.SHOW_METRICS__METRIC__HEADER);
-        csvBuilder.append(',');
-        csvBuilder.append(CliStrings.SHOW_METRICS__VALUE__HEADER);
-        csvBuilder.append('\n');
-      }
-
-      /*
-       * Region Metrics
-       */
-      Map<String, Boolean> categoriesMap = getRegionMetricsCategories();
-
-      if (categoriesArr != null && categoriesArr.length != 0) {
-        Set<String> categories = createSet(categoriesArr);
-        Set<String> checkSet = new HashSet<>(categoriesMap.keySet());
-        Set<String> userCategories = getSetDifference(categories, checkSet);
-
-        // Checking if the categories specified by the user are valid or not
-        if (userCategories.isEmpty()) {
-          for (String category : checkSet) {
-            categoriesMap.put(category, false);
-          }
-          for (String category : categories) {
-            categoriesMap.put(category.toLowerCase(), true);
-          }
-        } else {
-          StringBuilder sb = new StringBuilder();
-          sb.append("Invalid Categories\n");
-
-          for (String category : userCategories) {
-            sb.append(category);
-            sb.append('\n');
-          }
-          return ResultBuilder.createErrorResultData().addLine(sb.toString());
-        }
-      }
-
-      if (categoriesMap.get("region")) {
-        writeToTableAndCsv(metricsTable, "region", "lastModifiedTime",
-            regionMxBean.getLastModifiedTime(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "lastAccessedTime", regionMxBean.getLastAccessedTime(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "missCount", regionMxBean.getMissCount(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "hitCount", regionMxBean.getHitCount(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "hitRatio", regionMxBean.getHitRatio(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "getsRate", regionMxBean.getGetsRate(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "putsRate", regionMxBean.getPutsRate(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "createsRate", regionMxBean.getCreatesRate(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "destroyRate", regionMxBean.getDestroyRate(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "putAllRate", regionMxBean.getPutAllRate(),
-            csvBuilder);
-      }
-
-      if (categoriesMap.get("partition")) {
-        writeToTableAndCsv(metricsTable, "partition", "putLocalRate",
-            regionMxBean.getPutLocalRate(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "putRemoteRate", regionMxBean.getPutRemoteRate(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "putRemoteLatency", regionMxBean.getPutRemoteLatency(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "putRemoteAvgLatency",
-            regionMxBean.getPutRemoteAvgLatency(), csvBuilder);
-
-        writeToTableAndCsv(metricsTable, "", "bucketCount", regionMxBean.getBucketCount(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "primaryBucketCount",
-            regionMxBean.getPrimaryBucketCount(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "configuredRedundancy",
-            regionMxBean.getConfiguredRedundancy(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "actualRedundancy", regionMxBean.getActualRedundancy(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "numBucketsWithoutRedundancy",
-            regionMxBean.getNumBucketsWithoutRedundancy(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "totalBucketSize", regionMxBean.getTotalBucketSize(),
-            csvBuilder);
-      }
-      /*
-       * Disk store
-       */
-      if (categoriesMap.get("diskstore")) {
-        writeToTableAndCsv(metricsTable, "diskstore", "totalEntriesOnlyOnDisk",
-            regionMxBean.getTotalEntriesOnlyOnDisk(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "diskReadsRate", "" + regionMxBean.getDiskReadsRate(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "diskWritesRate", regionMxBean.getDiskWritesRate(),
-            csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "totalDiskWriteInProgress",
-            regionMxBean.getTotalDiskWritesProgress(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "diskTaskWaiting", regionMxBean.getDiskTaskWaiting(),
-            csvBuilder);
-      }
-      /*
-       * LISTENER
-       */
-      if (categoriesMap.get("callback")) {
-        writeToTableAndCsv(metricsTable, "callback", "cacheWriterCallsAvgLatency",
-            regionMxBean.getCacheWriterCallsAvgLatency(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "cacheListenerCallsAvgLatency",
-            regionMxBean.getCacheListenerCallsAvgLatency(), csvBuilder);
-      }
-
-      /*
-       * Eviction
-       */
-      if (categoriesMap.get("eviction")) {
-        writeToTableAndCsv(metricsTable, "eviction", "lruEvictionRate",
-            regionMxBean.getLruEvictionRate(), csvBuilder);
-        writeToTableAndCsv(metricsTable, "", "lruDestroyRate", regionMxBean.getLruDestroyRate(),
-            csvBuilder);
-      }
-      if (export_to_report_to != null && !export_to_report_to.isEmpty()) {
-        crd.addAsFile(export_to_report_to, csvBuilder.toString(), "Region Metrics exported to {0}.",
-            false);
-      }
-
-      return crd;
-    } else {
-      ErrorResultData erd = ResultBuilder.createErrorResultData();
-      String errorMessage = CliStrings.format(CliStrings.SHOW_METRICS__ERROR,
-          "Region MBean for " + regionName + " on member "
-              + MBeanJMXAdapter.getMemberNameOrId(distributedMember) + " not found");
-      erd.addLine(errorMessage);
-      return erd;
-    }
-  }
-
-  /***
-   * Writes an entry to a TabularResultData and writes a comma separated entry to a string builder
-   */
-  private void writeToTableAndCsv(TabularResultData metricsTable, String type, String metricName,
-      long metricValue, StringBuilder csvBuilder) {
-    metricsTable.accumulate(CliStrings.SHOW_METRICS__TYPE__HEADER, type);
-    metricsTable.accumulate(CliStrings.SHOW_METRICS__METRIC__HEADER, metricName);
-    metricsTable.accumulate(CliStrings.SHOW_METRICS__VALUE__HEADER, metricValue);
-
-    if (csvBuilder != null) {
-      csvBuilder.append(type);
-      csvBuilder.append(',');
-      csvBuilder.append(metricName);
-      csvBuilder.append(',');
-      csvBuilder.append(metricValue);
-      csvBuilder.append('\n');
-    }
-  }
-
-  private void writeToTableAndCsv(TabularResultData metricsTable, String type, String metricName,
-      double metricValue, StringBuilder csvBuilder) {
-    metricsTable.accumulate(CliStrings.SHOW_METRICS__TYPE__HEADER, type);
-    metricsTable.accumulate(CliStrings.SHOW_METRICS__METRIC__HEADER, metricName);
-    metricsTable.accumulate(CliStrings.SHOW_METRICS__VALUE__HEADER, metricValue);
-
-    if (csvBuilder != null) {
-      csvBuilder.append(type);
-      csvBuilder.append(',');
-      csvBuilder.append(metricName);
-      csvBuilder.append(',');
-      csvBuilder.append(metricValue);
-      csvBuilder.append('\n');
-    }
-  }
-
-  private Set<String> createSet(String[] categories) {
-    Set<String> categoriesSet = new HashSet<>();
-    Collections.addAll(categoriesSet, categories);
-    return categoriesSet;
-  }
-
-  /**
-   * Defines and returns map of categories for System metrics.
-   *
-   * @return map with categories for system metrics and display flag set to true
-   */
-  private Map<String, Boolean> getSystemMetricsCategories() {
-    Map<String, Boolean> categories = new HashMap<>();
-    categories.put("cluster", true);
-    categories.put("cache", true);
-    categories.put("diskstore", true);
-    categories.put("query", true);
-    return categories;
-  }
-
-  /**
-   * Defines and returns map of categories for Region Metrics
-   *
-   * @return map with categories for region metrics and display flag set to true
-   */
-  private Map<String, Boolean> getRegionMetricsCategories() {
-    Map<String, Boolean> categories = new HashMap<>();
-
-    categories.put("region", true);
-    categories.put("partition", true);
-    categories.put("diskstore", true);
-    categories.put("callback", true);
-    categories.put("gatewayreceiver", true);
-    categories.put("distribution", true);
-    categories.put("query", true);
-    categories.put("eviction", true);
-    return categories;
-  }
-
-  /**
-   * Defines and returns map of categories for system-wide region metrics
-   *
-   * @return map with categories for system wide region metrics and display flag set to true
-   */
-  private Map<String, Boolean> getSystemRegionMetricsCategories() {
-    Map<String, Boolean> categories = getRegionMetricsCategories();
-    categories.put("cluster", true);
-    return categories;
-  }
-
-  /**
-   * Defines and returns map of categories for member metrics
-   *
-   * @return map with categories for member metrics and display flag set to true
-   */
-  private Map<String, Boolean> getMemberMetricsCategories() {
-    Map<String, Boolean> categories = new HashMap<>();
-    categories.put("member", true);
-    categories.put("jvm", true);
-    categories.put("region", true);
-    categories.put("serialization", true);
-    categories.put("communication", true);
-    categories.put("function", true);
-    categories.put("transaction", true);
-    categories.put("diskstore", true);
-    categories.put("lock", true);
-    categories.put("eviction", true);
-    categories.put("distribution", true);
-    categories.put("offheap", true);
-    return categories;
-  }
-
-  /**
-   * Converts an array of strings to a String delimited by a new line character for display purposes
-   *
-   * @return a String delimited by a new line character for display purposes
-   */
-  private String formatNames(String[] names, int startIndex) {
-    StringBuilder sb = new StringBuilder();
-
-    if (names != null) {
-      for (String name : names) {
-        sb.append(name.substring(startIndex));
-        sb.append('\n');
-      }
-    }
-    return sb.toString();
-  }
-
-  private void writeToTableAndCsv(TabularResultData metricsTable, String type, String metricName,
-      String metricValue[], StringBuilder csvBuilder) {
-    if (metricValue != null) {
-      for (int i = 0; i < metricValue.length; i++) {
-        if (i == 0) {
-          writeToTableAndCsv(metricsTable, type, metricName, metricValue[i], csvBuilder);
-        } else {
-          writeToTableAndCsv(metricsTable, "", "", metricValue[i], csvBuilder);
-        }
-      }
-    }
-  }
-
-  /**
-   * Writes to a TabularResultData and also appends a CSV string to a String builder
-   */
-  private void writeToTableAndCsv(TabularResultData metricsTable, String type, String metricName,
-      String metricValue, StringBuilder csvBuilder) {
-    metricsTable.accumulate(CliStrings.SHOW_METRICS__TYPE__HEADER, type);
-    metricsTable.accumulate(CliStrings.SHOW_METRICS__METRIC__HEADER, metricName);
-    metricsTable.accumulate(CliStrings.SHOW_METRICS__VALUE__HEADER, metricValue);
-
-    if (csvBuilder != null) {
-      csvBuilder.append(type);
-      csvBuilder.append(',');
-      csvBuilder.append(metricName);
-      csvBuilder.append(',');
-      csvBuilder.append(metricValue);
-      csvBuilder.append('\n');
-    }
-  }
-
-  @CliCommand(value = CliStrings.CHANGE_LOGLEVEL, help = CliStrings.CHANGE_LOGLEVEL__HELP)
-  @CliMetaData(relatedTopic = {CliStrings.TOPIC_LOGS},
-      interceptor = "org.apache.geode.management.internal.cli.commands.MiscellaneousCommands$ChangeLogLevelInterceptor")
-  @ResourceOperation(resource = Resource.CLUSTER, operation = Operation.WRITE)
-  public Result changeLogLevel(
-      @CliOption(key = {CliStrings.MEMBER, CliStrings.MEMBERS},
-          help = CliStrings.CHANGE_LOGLEVEL__MEMBER__HELP) String[] memberIds,
-      @CliOption(key = {CliStrings.GROUP, CliStrings.GROUPS}, unspecifiedDefaultValue = "",
-          help = CliStrings.CHANGE_LOGLEVEL__GROUPS__HELP) String[] grps,
-      @CliOption(key = CliStrings.CHANGE_LOGLEVEL__LOGLEVEL,
-          optionContext = ConverterHint.LOG_LEVEL, mandatory = true, unspecifiedDefaultValue = "",
-          help = CliStrings.CHANGE_LOGLEVEL__LOGLEVEL__HELP) String logLevel) {
-    try {
-      if ((memberIds == null || memberIds.length == 0) && (grps == null || grps.length == 0)) {
-        return ResultBuilder
-            .createUserErrorResult(CliStrings.CHANGE_LOGLEVEL__MSG__SPECIFY_GRP_OR_MEMBER);
-      }
-
-      InternalCache cache = GemFireCacheImpl.getInstance();
-      LogWriter logger = cache.getLogger();
-
-      Set<DistributedMember> dsMembers = new HashSet<>();
-      Set<DistributedMember> ds = CliUtil.getAllMembers(cache);
-
-      if (grps != null && grps.length > 0) {
-        for (String grp : grps) {
-          dsMembers.addAll(cache.getDistributedSystem().getGroupMembers(grp));
-        }
-      }
-
-      if (memberIds != null && memberIds.length > 0) {
-        for (String member : memberIds) {
-          for (DistributedMember mem : ds) {
-            if (mem.getName() != null
-                && (mem.getName().equals(member) || mem.getId().equals(member))) {
-              dsMembers.add(mem);
-              break;
-            }
-          }
-        }
-      }
-
-      if (dsMembers.size() == 0) {
-        return ResultBuilder.createGemFireErrorResult(CliStrings.CHANGE_LOGLEVEL__MSG_NO_MEMBERS);
-      }
-
-      Function logFunction = new ChangeLogLevelFunction();
-      FunctionService.registerFunction(logFunction);
-      Object[] functionArgs = new Object[1];
-      functionArgs[0] = logLevel;
-
-      CompositeResultData compositeResultData = ResultBuilder.createCompositeResultData();
-      SectionResultData section = compositeResultData.addSection("section");
-      TabularResultData resultTable = section.addTable("ChangeLogLevel");
-      resultTable = resultTable.setHeader("Summary");
-
-      Execution execution = FunctionService.onMembers(dsMembers).setArguments(functionArgs);
-      if (execution == null) {
-        return ResultBuilder.createUserErrorResult(CliStrings.CHANGE_LOGLEVEL__MSG__CANNOT_EXECUTE);
-      }
-      List<?> resultList = (List<?>) execution.execute(logFunction).getResult();
-
-      for (Object object : resultList) {
-        try {
-          if (object instanceof Throwable) {
-            logger.warning(
-                "Exception in ChangeLogLevelFunction " + ((Throwable) object).getMessage(),
-                ((Throwable) object));
-            continue;
-          }
-
-          if (object != null) {
-            Map<String, String> resultMap = (Map<String, String>) object;
-            Entry<String, String> entry = resultMap.entrySet().iterator().next();
-
-            if (entry.getValue().contains("ChangeLogLevelFunction exception")) {
-              resultTable.accumulate(CliStrings.CHANGE_LOGLEVEL__COLUMN_MEMBER, entry.getKey());
-              resultTable.accumulate(CliStrings.CHANGE_LOGLEVEL__COLUMN_STATUS, "false");
-            } else {
-              resultTable.accumulate(CliStrings.CHANGE_LOGLEVEL__COLUMN_MEMBER, entry.getKey());
-              resultTable.accumulate(CliStrings.CHANGE_LOGLEVEL__COLUMN_STATUS, "true");
-            }
-
-          }
-        } catch (Exception ex) {
-          LogWrapper.getInstance().warning("change log level command exception " + ex);
-        }
-      }
-
-      Result result = ResultBuilder.buildResult(compositeResultData);
-      logger.info("change log-level command result=" + result);
-      return result;
-    } catch (Exception ex) {
-      GemFireCacheImpl.getInstance().getLogger().error("GFSH Changeloglevel exception: " + ex);
-      return ResultBuilder.createUserErrorResult(ex.getMessage());
-    }
-  }
-
-  public static class ChangeLogLevelInterceptor extends AbstractCliAroundInterceptor {
-    @Override
-    public Result preExecution(GfshParseResult parseResult) {
-      Map<String, String> arguments = parseResult.getParamValueStrings();
-      // validate log level
-      String logLevel = arguments.get("loglevel");
-      if (StringUtils.isBlank(logLevel) || LogLevel.getLevel(logLevel) == null) {
-        return ResultBuilder.createUserErrorResult("Invalid log level: " + logLevel);
-      }
-
-      return ResultBuilder.createInfoResult("");
-    }
-  }
-
-  private Set<String> getSetDifference(Set<String> set1, Set<String> set2) {
-    Set<String> setDifference = new HashSet<>();
-    for (String element : set1) {
-      if (!(set2.contains(element.toLowerCase()))) {
-        setDifference.add(element);
-      }
-    }
-    return setDifference;
-  }
-}