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Posted to commits@cassandra.apache.org by jb...@apache.org on 2014/01/10 19:40:23 UTC
[2/3] refactor nodetool, encapsulating each command into a subclass patch by Clément Lardeur; reviewed by Mikhail Stepura for CASSANDRA-6381
http://git-wip-us.apache.org/repos/asf/cassandra/blob/892d8e69/src/java/org/apache/cassandra/tools/NodeTool.java
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diff --git a/src/java/org/apache/cassandra/tools/NodeTool.java b/src/java/org/apache/cassandra/tools/NodeTool.java
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index 0000000..c9ddf4f
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+++ b/src/java/org/apache/cassandra/tools/NodeTool.java
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+/*
+ * 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.cassandra.tools;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.lang.management.MemoryUsage;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.text.DecimalFormat;
+import java.text.SimpleDateFormat;
+import java.util.*;
+import java.util.concurrent.ExecutionException;
+import javax.management.openmbean.TabularData;
+
+import com.google.common.base.Joiner;
+import com.google.common.base.Throwables;
+import com.google.common.collect.LinkedHashMultimap;
+import com.google.common.collect.Maps;
+
+import com.yammer.metrics.reporting.JmxReporter;
+import io.airlift.command.*;
+import org.apache.cassandra.concurrent.JMXEnabledThreadPoolExecutorMBean;
+import org.apache.cassandra.config.DatabaseDescriptor;
+import org.apache.cassandra.db.ColumnFamilyStoreMBean;
+import org.apache.cassandra.db.Keyspace;
+import org.apache.cassandra.db.compaction.CompactionManagerMBean;
+import org.apache.cassandra.db.compaction.OperationType;
+import org.apache.cassandra.locator.EndpointSnitchInfoMBean;
+import org.apache.cassandra.net.MessagingServiceMBean;
+import org.apache.cassandra.service.CacheServiceMBean;
+import org.apache.cassandra.streaming.ProgressInfo;
+import org.apache.cassandra.streaming.SessionInfo;
+import org.apache.cassandra.streaming.StreamState;
+import org.apache.cassandra.utils.EstimatedHistogram;
+import org.apache.cassandra.utils.FBUtilities;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkState;
+import static com.google.common.base.Throwables.getStackTraceAsString;
+import static com.google.common.collect.Iterables.toArray;
+import static com.google.common.collect.Lists.newArrayList;
+import static java.lang.Integer.parseInt;
+import static java.lang.String.format;
+import static org.apache.commons.lang3.ArrayUtils.EMPTY_STRING_ARRAY;
+import static org.apache.commons.lang3.StringUtils.EMPTY;
+import static org.apache.commons.lang3.StringUtils.join;
+
+public class NodeTool
+{
+ private static final String HISTORYFILE = "nodetool.history";
+
+ public static void main(String... args)
+ {
+ List<Class<? extends Runnable>> commands = newArrayList(
+ Help.class,
+ Info.class,
+ Ring.class,
+ NetStats.class,
+ CfStats.class,
+ CfHistograms.class,
+ Cleanup.class,
+ ClearSnapshot.class,
+ Compact.class,
+ Scrub.class,
+ Flush.class,
+ UpgradeSSTable.class,
+ DisableAutoCompaction.class,
+ EnableAutoCompaction.class,
+ CompactionStats.class,
+ CompactionHistory.class,
+ Decommission.class,
+ DescribeCluster.class,
+ DisableBinary.class,
+ EnableBinary.class,
+ EnableGossip.class,
+ DisableGossip.class,
+ EnableHandoff.class,
+ EnableThrift.class,
+ GetCompactionThreshold.class,
+ GetCompactionThroughput.class,
+ GetStreamThroughput.class,
+ GetEndpoints.class,
+ GetSSTables.class,
+ GossipInfo.class,
+ InvalidateKeyCache.class,
+ InvalidateRowCache.class,
+ Join.class,
+ Move.class,
+ PauseHandoff.class,
+ ResumeHandoff.class,
+ ProxyHistograms.class,
+ Rebuild.class,
+ Refresh.class,
+ RemoveToken.class,
+ RemoveNode.class,
+ Repair.class,
+ SetCacheCapacity.class,
+ SetCompactionThreshold.class,
+ SetCompactionThroughput.class,
+ SetStreamThroughput.class,
+ SetTraceProbability.class,
+ Snapshot.class,
+ Status.class,
+ StatusBinary.class,
+ StatusThrift.class,
+ Stop.class,
+ StopDaemon.class,
+ Version.class,
+ DescribeRing.class,
+ RebuildIndex.class,
+ RangeKeySample.class,
+ EnableBackup.class,
+ DisableBackup.class,
+ ResetLocalSchema.class,
+ ReloadTriggers.class,
+ SetCacheKeysToSave.class,
+ DisableThrift.class,
+ DisableHandoff.class,
+ Drain.class,
+ TruncateHints.class,
+ TpStats.class
+ );
+
+ Cli<Runnable> parser = Cli.<Runnable>builder("nodetool")
+ .withDescription("Manage your Cassandra cluster")
+ .withDefaultCommand(Help.class)
+ .withCommands(commands)
+ .build();
+
+ int status = 0;
+ try
+ {
+ Runnable parse = parser.parse(args);
+ printHistory(args);
+ parse.run();
+ } catch (IllegalArgumentException |
+ IllegalStateException |
+ ParseArgumentsMissingException |
+ ParseArgumentsUnexpectedException |
+ ParseOptionConversionException |
+ ParseOptionMissingException |
+ ParseOptionMissingValueException |
+ ParseCommandMissingException |
+ ParseCommandUnrecognizedException e)
+ {
+ badUse(e);
+ status = 1;
+ } catch (Throwable throwable)
+ {
+ err(Throwables.getRootCause(throwable));
+ status = 2;
+ }
+
+ System.exit(status);
+ }
+
+ private static void printHistory(String... args)
+ {
+ //don't bother to print if no args passed (meaning, nodetool is just printing out the sub-commands list)
+ if (args.length == 0)
+ return;
+
+ String cmdLine = Joiner.on(" ").skipNulls().join(args);
+ cmdLine = cmdLine.replaceFirst("(?<=(-pw|--password))\\s+\\S+", " <hidden>");
+
+ try (FileWriter writer = new FileWriter(new File(FBUtilities.getToolsOutputDirectory(), HISTORYFILE), true))
+ {
+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss,SSS");
+ writer.append(sdf.format(new Date())).append(": ").append(cmdLine).append(System.lineSeparator());
+ }
+ catch (IOException ioe)
+ {
+ //quietly ignore any errors about not being able to write out history
+ }
+ }
+
+ private static void badUse(Exception e)
+ {
+ System.out.println("nodetool: " + e.getMessage());
+ System.out.println("See 'nodetool help' or 'nodetool help <command>'.");
+ }
+
+ private static void err(Throwable e)
+ {
+ System.err.println("error: " + e.getMessage());
+ System.err.println("-- StackTrace --");
+ System.err.println(getStackTraceAsString(e));
+ }
+
+ public static abstract class NodeToolCmd implements Runnable
+ {
+
+ @Option(type = OptionType.GLOBAL, name = {"-h", "--host"}, description = "Node hostname or ip address")
+ private String host = "127.0.0.1";
+
+ @Option(type = OptionType.GLOBAL, name = {"-p", "--port"}, description = "Remote jmx agent port number")
+ private String port = "7199";
+
+ @Option(type = OptionType.GLOBAL, name = {"-u", "--username"}, description = "Remote jmx agent username")
+ private String username = EMPTY;
+
+ @Option(type = OptionType.GLOBAL, name = {"-pw", "--password"}, description = "Remote jmx agent password")
+ private String password = EMPTY;
+
+ @Override
+ public void run()
+ {
+ try (NodeProbe probe = connect())
+ {
+ execute(probe);
+ } catch (IOException e)
+ {
+ throw new RuntimeException("Error while closing JMX connection", e);
+ }
+
+ }
+
+ protected abstract void execute(NodeProbe probe);
+
+ private NodeProbe connect()
+ {
+ NodeProbe nodeClient = null;
+
+ try
+ {
+ if (username.isEmpty())
+ nodeClient = new NodeProbe(host, parseInt(port));
+ else
+ nodeClient = new NodeProbe(host, parseInt(port), username, password);
+ } catch (IOException e)
+ {
+ Throwable rootCause = Throwables.getRootCause(e);
+ System.err.println(format("nodetool: Failed to connect to '%s:%s' - %s: '%s'.", host, port, rootCause.getClass().getSimpleName(), rootCause.getMessage()));
+ System.exit(1);
+ }
+
+ return nodeClient;
+ }
+
+ protected List<String> parseOptionalKeyspace(List<String> cmdArgs, NodeProbe nodeProbe)
+ {
+ List<String> keyspaces = new ArrayList<>();
+
+ if (cmdArgs == null || cmdArgs.isEmpty())
+ keyspaces.addAll(nodeProbe.getKeyspaces());
+ else
+ keyspaces.add(cmdArgs.get(0));
+
+ for (String keyspace : keyspaces)
+ {
+ if (!nodeProbe.getKeyspaces().contains(keyspace))
+ throw new IllegalArgumentException("Keyspace [" + keyspace + "] does not exist.");
+ }
+
+ return Collections.unmodifiableList(keyspaces);
+ }
+
+ protected String[] parseOptionalColumnFamilies(List<String> cmdArgs)
+ {
+ return cmdArgs.size() <= 1 ? EMPTY_STRING_ARRAY : toArray(cmdArgs.subList(1, cmdArgs.size()), String.class);
+ }
+ }
+
+ @Command(name = "info", description = "Print node information (uptime, load, ...)")
+ public static class Info extends NodeToolCmd
+ {
+ @Option(name = {"-T", "--tokens"}, description = "Display all tokens")
+ private boolean tokens = false;
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ boolean gossipInitialized = probe.isInitialized();
+
+ System.out.printf("%-17s: %s%n", "ID", probe.getLocalHostId());
+ System.out.printf("%-17s: %s%n", "Gossip active", gossipInitialized);
+ System.out.printf("%-17s: %s%n", "Thrift active", probe.isThriftServerRunning());
+ System.out.printf("%-17s: %s%n", "Native Transport active", probe.isNativeTransportRunning());
+ System.out.printf("%-17s: %s%n", "Load", probe.getLoadString());
+ if (gossipInitialized)
+ System.out.printf("%-17s: %s%n", "Generation No", probe.getCurrentGenerationNumber());
+ else
+ System.out.printf("%-17s: %s%n", "Generation No", 0);
+
+ // Uptime
+ long secondsUp = probe.getUptime() / 1000;
+ System.out.printf("%-17s: %d%n", "Uptime (seconds)", secondsUp);
+
+ // Memory usage
+ MemoryUsage heapUsage = probe.getHeapMemoryUsage();
+ double memUsed = (double) heapUsage.getUsed() / (1024 * 1024);
+ double memMax = (double) heapUsage.getMax() / (1024 * 1024);
+ System.out.printf("%-17s: %.2f / %.2f%n", "Heap Memory (MB)", memUsed, memMax);
+
+ // Data Center/Rack
+ System.out.printf("%-17s: %s%n", "Data Center", probe.getDataCenter());
+ System.out.printf("%-17s: %s%n", "Rack", probe.getRack());
+
+ // Exceptions
+ System.out.printf("%-17s: %s%n", "Exceptions", probe.getStorageMetric("Exceptions"));
+
+ CacheServiceMBean cacheService = probe.getCacheServiceMBean();
+
+ // Key Cache: Hits, Requests, RecentHitRate, SavePeriodInSeconds
+ System.out.printf("%-17s: entries %d, size %d (bytes), capacity %d (bytes), %d hits, %d requests, %.3f recent hit rate, %d save period in seconds%n",
+ "Key Cache",
+ probe.getCacheMetric("KeyCache", "Entries"),
+ probe.getCacheMetric("KeyCache", "Size"),
+ probe.getCacheMetric("KeyCache", "Capacity"),
+ probe.getCacheMetric("KeyCache", "Hits"),
+ probe.getCacheMetric("KeyCache", "Requests"),
+ probe.getCacheMetric("KeyCache", "HitRate"),
+ cacheService.getKeyCacheSavePeriodInSeconds());
+
+ // Row Cache: Hits, Requests, RecentHitRate, SavePeriodInSeconds
+ System.out.printf("%-17s: entries %d, size %d (bytes), capacity %d (bytes), %d hits, %d requests, %.3f recent hit rate, %d save period in seconds%n",
+ "Row Cache",
+ probe.getCacheMetric("RowCache", "Entries"),
+ probe.getCacheMetric("RowCache", "Size"),
+ probe.getCacheMetric("RowCache", "Capacity"),
+ probe.getCacheMetric("RowCache", "Hits"),
+ probe.getCacheMetric("RowCache", "Requests"),
+ probe.getCacheMetric("RowCache", "HitRate"),
+ cacheService.getRowCacheSavePeriodInSeconds());
+
+ // Tokens
+ List<String> tokens = probe.getTokens();
+ if (tokens.size() == 1 || this.tokens)
+ for (String token : tokens)
+ System.out.printf("%-17s: %s%n", "Token", token);
+ else
+ System.out.printf("%-17s: (invoke with -T/--tokens to see all %d tokens)%n", "Token", tokens.size());
+ }
+ }
+
+ @Command(name = "ring", description = "Print information about the token ring")
+ public static class Ring extends NodeToolCmd
+ {
+ @Arguments(description = "Specify a keyspace for accurate ownership information (topology awareness)")
+ private String keyspace = null;
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ Map<String, String> tokensToEndpoints = probe.getTokenToEndpointMap();
+ LinkedHashMultimap<String, String> endpointsToTokens = LinkedHashMultimap.create();
+ for (Map.Entry<String, String> entry : tokensToEndpoints.entrySet())
+ endpointsToTokens.put(entry.getValue(), entry.getKey());
+
+ int maxAddressLength = Collections.max(endpointsToTokens.keys(), new Comparator<String>()
+ {
+ @Override
+ public int compare(String first, String second)
+ {
+ return ((Integer) first.length()).compareTo(second.length());
+ }
+ }).length();
+
+ String formatPlaceholder = "%%-%ds %%-12s%%-7s%%-8s%%-16s%%-20s%%-44s%%n";
+ String format = format(formatPlaceholder, maxAddressLength);
+
+ // Calculate per-token ownership of the ring
+ Map<InetAddress, Float> ownerships;
+ try
+ {
+ ownerships = probe.effectiveOwnership(keyspace);
+ } catch (IllegalStateException ex)
+ {
+ ownerships = probe.getOwnership();
+ System.out.printf("Note: Ownership information does not include topology; for complete information, specify a keyspace%n");
+ }
+ try
+ {
+ System.out.println();
+ Map<String, Map<InetAddress, Float>> perDcOwnerships = Maps.newLinkedHashMap();
+ // get the different datasets and map to tokens
+ for (Map.Entry<InetAddress, Float> ownership : ownerships.entrySet())
+ {
+ String dc = probe.getEndpointSnitchInfoProxy().getDatacenter(ownership.getKey().getHostAddress());
+ if (!perDcOwnerships.containsKey(dc))
+ perDcOwnerships.put(dc, new LinkedHashMap<InetAddress, Float>());
+ perDcOwnerships.get(dc).put(ownership.getKey(), ownership.getValue());
+ }
+ for (Map.Entry<String, Map<InetAddress, Float>> entry : perDcOwnerships.entrySet())
+ printDc(probe, format, entry.getKey(), endpointsToTokens, entry.getValue());
+ } catch (UnknownHostException e)
+ {
+ throw new RuntimeException(e);
+ }
+
+ if (DatabaseDescriptor.getNumTokens() > 1)
+ {
+ System.out.println(" Warning: \"nodetool ring\" is used to output all the tokens of a node.");
+ System.out.println(" To view status related info of a node use \"nodetool status\" instead.\n");
+ }
+ }
+
+ private void printDc(NodeProbe probe, String format,
+ String dc,
+ LinkedHashMultimap<String, String> endpointsToTokens,
+ Map<InetAddress, Float> filteredOwnerships)
+ {
+ Collection<String> liveNodes = probe.getLiveNodes();
+ Collection<String> deadNodes = probe.getUnreachableNodes();
+ Collection<String> joiningNodes = probe.getJoiningNodes();
+ Collection<String> leavingNodes = probe.getLeavingNodes();
+ Collection<String> movingNodes = probe.getMovingNodes();
+ Map<String, String> loadMap = probe.getLoadMap();
+
+ System.out.println("Datacenter: " + dc);
+ System.out.println("==========");
+
+ // get the total amount of replicas for this dc and the last token in this dc's ring
+ List<String> tokens = new ArrayList<>();
+ String lastToken = "";
+
+ for (Map.Entry<InetAddress, Float> entry : filteredOwnerships.entrySet())
+ {
+ tokens.addAll(endpointsToTokens.get(entry.getKey().getHostAddress()));
+ lastToken = tokens.get(tokens.size() - 1);
+ }
+
+
+ System.out.printf(format, "Address", "Rack", "Status", "State", "Load", "Owns", "Token");
+
+ if (filteredOwnerships.size() > 1)
+ System.out.printf(format, "", "", "", "", "", "", lastToken);
+ else
+ System.out.println();
+
+ for (Map.Entry<InetAddress, Float> entry : filteredOwnerships.entrySet())
+ {
+ String endpoint = entry.getKey().getHostAddress();
+ for (String token : endpointsToTokens.get(endpoint))
+ {
+ String rack;
+ try
+ {
+ rack = probe.getEndpointSnitchInfoProxy().getRack(endpoint);
+ } catch (UnknownHostException e)
+ {
+ rack = "Unknown";
+ }
+
+ String status = liveNodes.contains(endpoint)
+ ? "Up"
+ : deadNodes.contains(endpoint)
+ ? "Down"
+ : "?";
+
+ String state = "Normal";
+
+ if (joiningNodes.contains(endpoint))
+ state = "Joining";
+ else if (leavingNodes.contains(endpoint))
+ state = "Leaving";
+ else if (movingNodes.contains(endpoint))
+ state = "Moving";
+
+ String load = loadMap.containsKey(endpoint)
+ ? loadMap.get(endpoint)
+ : "?";
+ String owns = new DecimalFormat("##0.00%").format(entry.getValue());
+ System.out.printf(format, endpoint, rack, status, state, load, owns, token);
+ }
+ }
+ System.out.println();
+ }
+ }
+
+ @Command(name = "netstats", description = "Print network information on provided host (connecting node by default)")
+ public static class NetStats extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ System.out.printf("Mode: %s%n", probe.getOperationMode());
+ Set<StreamState> statuses = probe.getStreamStatus();
+ if (statuses.isEmpty())
+ System.out.println("Not sending any streams.");
+ for (StreamState status : statuses)
+ {
+ System.out.printf("%s %s%n", status.description, status.planId.toString());
+ for (SessionInfo info : status.sessions)
+ {
+ System.out.printf(" %s%n", info.peer.toString());
+ if (!info.receivingSummaries.isEmpty())
+ {
+ System.out.printf(" Receiving %d files, %d bytes total%n", info.getTotalFilesToReceive(), info.getTotalSizeToReceive());
+ for (ProgressInfo progress : info.getReceivingFiles())
+ {
+ System.out.printf(" %s%n", progress.toString());
+ }
+ }
+ if (!info.sendingSummaries.isEmpty())
+ {
+ System.out.printf(" Sending %d files, %d bytes total%n", info.getTotalFilesToSend(), info.getTotalSizeToSend());
+ for (ProgressInfo progress : info.getSendingFiles())
+ {
+ System.out.printf(" %s%n", progress.toString());
+ }
+ }
+ }
+ }
+
+ System.out.printf("Read Repair Statistics:%nAttempted: %d%nMismatch (Blocking): %d%nMismatch (Background): %d%n", probe.getReadRepairAttempted(), probe.getReadRepairRepairedBlocking(), probe.getReadRepairRepairedBackground());
+
+ MessagingServiceMBean ms = probe.msProxy;
+ System.out.printf("%-25s", "Pool Name");
+ System.out.printf("%10s", "Active");
+ System.out.printf("%10s", "Pending");
+ System.out.printf("%15s%n", "Completed");
+
+ int pending;
+ long completed;
+
+ pending = 0;
+ for (int n : ms.getCommandPendingTasks().values())
+ pending += n;
+ completed = 0;
+ for (long n : ms.getCommandCompletedTasks().values())
+ completed += n;
+ System.out.printf("%-25s%10s%10s%15s%n", "Commands", "n/a", pending, completed);
+
+ pending = 0;
+ for (int n : ms.getResponsePendingTasks().values())
+ pending += n;
+ completed = 0;
+ for (long n : ms.getResponseCompletedTasks().values())
+ completed += n;
+ System.out.printf("%-25s%10s%10s%15s%n", "Responses", "n/a", pending, completed);
+ }
+ }
+
+ @Command(name = "cfstats", description = "Print statistics on column families")
+ public static class CfStats extends NodeToolCmd
+ {
+ @Arguments(usage = "[<keyspace.cfname>...]", description = "List of column families (or keyspace) names")
+ private List<String> cfnames = new ArrayList<>();
+
+ @Option(name = "-i", description = "Ignore the list of column families and display the remaining cfs")
+ private boolean ignore = false;
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ OptionFilter filter = new OptionFilter(ignore, cfnames);
+ Map<String, List<ColumnFamilyStoreMBean>> cfstoreMap = new HashMap<>();
+
+ // get a list of column family stores
+ Iterator<Map.Entry<String, ColumnFamilyStoreMBean>> cfamilies = probe.getColumnFamilyStoreMBeanProxies();
+
+ while (cfamilies.hasNext())
+ {
+ Map.Entry<String, ColumnFamilyStoreMBean> entry = cfamilies.next();
+ String keyspaceName = entry.getKey();
+ ColumnFamilyStoreMBean cfsProxy = entry.getValue();
+
+ if (!cfstoreMap.containsKey(keyspaceName) && filter.isColumnFamilyIncluded(entry.getKey(), cfsProxy.getColumnFamilyName()))
+ {
+ List<ColumnFamilyStoreMBean> columnFamilies = new ArrayList<>();
+ columnFamilies.add(cfsProxy);
+ cfstoreMap.put(keyspaceName, columnFamilies);
+ } else if (filter.isColumnFamilyIncluded(entry.getKey(), cfsProxy.getColumnFamilyName()))
+ {
+ cfstoreMap.get(keyspaceName).add(cfsProxy);
+ }
+ }
+
+ // make sure all specified kss and cfs exist
+ filter.verifyKeyspaces(probe.getKeyspaces());
+ filter.verifyColumnFamilies();
+
+ // print out the table statistics
+ for (Map.Entry<String, List<ColumnFamilyStoreMBean>> entry : cfstoreMap.entrySet())
+ {
+ String keyspaceName = entry.getKey();
+ List<ColumnFamilyStoreMBean> columnFamilies = entry.getValue();
+ long keyspaceReadCount = 0;
+ long keyspaceWriteCount = 0;
+ int keyspacePendingTasks = 0;
+ double keyspaceTotalReadTime = 0.0f;
+ double keyspaceTotalWriteTime = 0.0f;
+
+ System.out.println("Keyspace: " + keyspaceName);
+ for (ColumnFamilyStoreMBean cfstore : columnFamilies)
+ {
+ String cfName = cfstore.getColumnFamilyName();
+ long writeCount = ((JmxReporter.TimerMBean) probe.getColumnFamilyMetric(keyspaceName, cfName, "WriteLatency")).getCount();
+ long readCount = ((JmxReporter.TimerMBean) probe.getColumnFamilyMetric(keyspaceName, cfName, "ReadLatency")).getCount();
+
+ if (readCount > 0)
+ {
+ keyspaceReadCount += readCount;
+ keyspaceTotalReadTime += (long) probe.getColumnFamilyMetric(keyspaceName, cfName, "ReadTotalLatency");
+ }
+ if (writeCount > 0)
+ {
+ keyspaceWriteCount += writeCount;
+ keyspaceTotalWriteTime += (long) probe.getColumnFamilyMetric(keyspaceName, cfName, "WriteTotalLatency");
+ }
+ keyspacePendingTasks += (int) probe.getColumnFamilyMetric(keyspaceName, cfName, "PendingTasks");
+ }
+
+ double keyspaceReadLatency = keyspaceReadCount > 0
+ ? keyspaceTotalReadTime / keyspaceReadCount / 1000
+ : Double.NaN;
+ double keyspaceWriteLatency = keyspaceWriteCount > 0
+ ? keyspaceTotalWriteTime / keyspaceWriteCount / 1000
+ : Double.NaN;
+
+ System.out.println("\tRead Count: " + keyspaceReadCount);
+ System.out.println("\tRead Latency: " + format("%s", keyspaceReadLatency) + " ms.");
+ System.out.println("\tWrite Count: " + keyspaceWriteCount);
+ System.out.println("\tWrite Latency: " + format("%s", keyspaceWriteLatency) + " ms.");
+ System.out.println("\tPending Tasks: " + keyspacePendingTasks);
+
+ // print out column family statistics for this keyspace
+ for (ColumnFamilyStoreMBean cfstore : columnFamilies)
+ {
+ String cfName = cfstore.getColumnFamilyName();
+ if (cfName.contains("."))
+ System.out.println("\t\tTable (index): " + cfName);
+ else
+ System.out.println("\t\tTable: " + cfName);
+
+ System.out.println("\t\tSSTable count: " + probe.getColumnFamilyMetric(keyspaceName, cfName, "LiveSSTableCount"));
+
+ int[] leveledSStables = cfstore.getSSTableCountPerLevel();
+ if (leveledSStables != null)
+ {
+ System.out.print("\t\tSSTables in each level: [");
+ for (int level = 0; level < leveledSStables.length; level++)
+ {
+ int count = leveledSStables[level];
+ System.out.print(count);
+ long maxCount = 4L; // for L0
+ if (level > 0)
+ maxCount = (long) Math.pow(10, level);
+ // show max threshold for level when exceeded
+ if (count > maxCount)
+ System.out.print("/" + maxCount);
+
+ if (level < leveledSStables.length - 1)
+ System.out.print(", ");
+ else
+ System.out.println("]");
+ }
+ }
+ System.out.println("\t\tSpace used (live), bytes: " + probe.getColumnFamilyMetric(keyspaceName, cfName, "LiveDiskSpaceUsed"));
+ System.out.println("\t\tSpace used (total), bytes: " + probe.getColumnFamilyMetric(keyspaceName, cfName, "TotalDiskSpaceUsed"));
+ System.out.println("\t\tSpace used by snapshots (total), bytes: " + probe.getColumnFamilyMetric(keyspaceName, cfName, "SnapshotsSize"));
+ System.out.println("\t\tSSTable Compression Ratio: " + probe.getColumnFamilyMetric(keyspaceName, cfName, "CompressionRatio"));
+ System.out.println("\t\tMemtable cell count: " + probe.getColumnFamilyMetric(keyspaceName, cfName, "MemtableColumnsCount"));
+ System.out.println("\t\tMemtable data size, bytes: " + probe.getColumnFamilyMetric(keyspaceName, cfName, "MemtableDataSize"));
+ System.out.println("\t\tMemtable switch count: " + probe.getColumnFamilyMetric(keyspaceName, cfName, "MemtableSwitchCount"));
+ System.out.println("\t\tLocal read count: " + ((JmxReporter.TimerMBean) probe.getColumnFamilyMetric(keyspaceName, cfName, "ReadLatency")).getCount());
+ double localReadLatency = ((JmxReporter.TimerMBean) probe.getColumnFamilyMetric(keyspaceName, cfName, "ReadLatency")).getMean() / 1000;
+ double localRLatency = localReadLatency > 0 ? localReadLatency : Double.NaN;
+ System.out.printf("\t\tLocal read latency: %01.3f ms%n", localRLatency);
+ System.out.println("\t\tLocal write count: " + ((JmxReporter.TimerMBean) probe.getColumnFamilyMetric(keyspaceName, cfName, "WriteLatency")).getCount());
+ double localWriteLatency = ((JmxReporter.TimerMBean) probe.getColumnFamilyMetric(keyspaceName, cfName, "WriteLatency")).getMean() / 1000;
+ double localWLatency = localWriteLatency > 0 ? localWriteLatency : Double.NaN;
+ System.out.printf("\t\tLocal write latency: %01.3f ms%n", localWLatency);
+ System.out.println("\t\tPending tasks: " + probe.getColumnFamilyMetric(keyspaceName, cfName, "PendingTasks"));
+ System.out.println("\t\tBloom filter false positives: " + probe.getColumnFamilyMetric(keyspaceName, cfName, "BloomFilterFalsePositives"));
+ System.out.println("\t\tBloom filter false ratio: " + format("%01.5f", probe.getColumnFamilyMetric(keyspaceName, cfName, "RecentBloomFilterFalseRatio")));
+ System.out.println("\t\tBloom filter space used, bytes: " + probe.getColumnFamilyMetric(keyspaceName, cfName, "BloomFilterDiskSpaceUsed"));
+ System.out.println("\t\tCompacted partition minimum bytes: " + probe.getColumnFamilyMetric(keyspaceName, cfName, "MinRowSize"));
+ System.out.println("\t\tCompacted partition maximum bytes: " + probe.getColumnFamilyMetric(keyspaceName, cfName, "MaxRowSize"));
+ System.out.println("\t\tCompacted partition mean bytes: " + probe.getColumnFamilyMetric(keyspaceName, cfName, "MeanRowSize"));
+ System.out.println("\t\tAverage live cells per slice (last five minutes): " + ((JmxReporter.HistogramMBean) probe.getColumnFamilyMetric(keyspaceName, cfName, "LiveScannedHistogram")).getMean());
+ System.out.println("\t\tAverage tombstones per slice (last five minutes): " + ((JmxReporter.HistogramMBean) probe.getColumnFamilyMetric(keyspaceName, cfName, "TombstoneScannedHistogram")).getMean());
+
+ System.out.println("");
+ }
+ System.out.println("----------------");
+ }
+ }
+
+ /**
+ * Used for filtering keyspaces and columnfamilies to be displayed using the cfstats command.
+ */
+ private static class OptionFilter
+ {
+ private Map<String, List<String>> filter = new HashMap<>();
+ private Map<String, List<String>> verifier = new HashMap<>();
+ private List<String> filterList = new ArrayList<>();
+ private boolean ignoreMode;
+
+ public OptionFilter(boolean ignoreMode, List<String> filterList)
+ {
+ this.filterList.addAll(filterList);
+ this.ignoreMode = ignoreMode;
+
+ for (String s : filterList)
+ {
+ String[] keyValues = s.split("\\.", 2);
+
+ // build the map that stores the ks' and cfs to use
+ if (!filter.containsKey(keyValues[0]))
+ {
+ filter.put(keyValues[0], new ArrayList<String>());
+ verifier.put(keyValues[0], new ArrayList<String>());
+
+ if (keyValues.length == 2)
+ {
+ filter.get(keyValues[0]).add(keyValues[1]);
+ verifier.get(keyValues[0]).add(keyValues[1]);
+ }
+ } else
+ {
+ if (keyValues.length == 2)
+ {
+ filter.get(keyValues[0]).add(keyValues[1]);
+ verifier.get(keyValues[0]).add(keyValues[1]);
+ }
+ }
+ }
+ }
+
+ public boolean isColumnFamilyIncluded(String keyspace, String columnFamily)
+ {
+ // supplying empty params list is treated as wanting to display all kss & cfs
+ if (filterList.isEmpty())
+ return !ignoreMode;
+
+ List<String> cfs = filter.get(keyspace);
+
+ // no such keyspace is in the map
+ if (cfs == null)
+ return ignoreMode;
+ // only a keyspace with no cfs was supplied
+ // so ignore or include (based on the flag) every column family in specified keyspace
+ else if (cfs.size() == 0)
+ return !ignoreMode;
+
+ // keyspace exists, and it contains specific cfs
+ verifier.get(keyspace).remove(columnFamily);
+ return ignoreMode ^ cfs.contains(columnFamily);
+ }
+
+ public void verifyKeyspaces(List<String> keyspaces)
+ {
+ for (String ks : verifier.keySet())
+ if (!keyspaces.contains(ks))
+ throw new IllegalArgumentException("Unknown keyspace: " + ks);
+ }
+
+ public void verifyColumnFamilies()
+ {
+ for (String ks : filter.keySet())
+ if (verifier.get(ks).size() > 0)
+ throw new IllegalArgumentException("Unknown column families: " + verifier.get(ks).toString() + " in keyspace: " + ks);
+ }
+ }
+ }
+
+ @Command(name = "cfhistograms", description = "Print statistic histograms for a given column family")
+ public static class CfHistograms extends NodeToolCmd
+ {
+ @Arguments(usage = "<keyspace> <cfname>", description = "The keyspace and column family name")
+ private List<String> args = new ArrayList<>();
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ checkArgument(args.size() == 2, "cfhistograms requires ks and cf args");
+
+ String keyspace = args.get(0);
+ String cfname = args.get(1);
+
+ // calculate percentile of row size and column count
+ long[] estimatedRowSize = (long[]) probe.getColumnFamilyMetric(keyspace, cfname, "EstimatedRowSizeHistogram");
+ long[] estimatedColumnCount = (long[]) probe.getColumnFamilyMetric(keyspace, cfname, "EstimatedColumnCountHistogram");
+
+ long[] bucketOffsets = new EstimatedHistogram().getBucketOffsets();
+ EstimatedHistogram rowSizeHist = new EstimatedHistogram(bucketOffsets, estimatedRowSize);
+ EstimatedHistogram columnCountHist = new EstimatedHistogram(bucketOffsets, estimatedColumnCount);
+
+ // build arrays to store percentile values
+ double[] estimatedRowSizePercentiles = new double[7];
+ double[] estimatedColumnCountPercentiles = new double[7];
+ double[] offsetPercentiles = new double[]{0.5, 0.75, 0.95, 0.98, 0.99};
+ for (int i = 0; i < offsetPercentiles.length; i++)
+ {
+ estimatedRowSizePercentiles[i] = rowSizeHist.percentile(offsetPercentiles[i]);
+ estimatedColumnCountPercentiles[i] = columnCountHist.percentile(offsetPercentiles[i]);
+ }
+
+ // min value
+ estimatedRowSizePercentiles[5] = rowSizeHist.min();
+ estimatedColumnCountPercentiles[5] = columnCountHist.min();
+ // max value
+ estimatedRowSizePercentiles[6] = rowSizeHist.max();
+ estimatedColumnCountPercentiles[6] = columnCountHist.max();
+
+ String[] percentiles = new String[]{"50%", "75%", "95%", "98%", "99%", "Min", "Max"};
+ double[] readLatency = probe.metricPercentilesAsArray((JmxReporter.HistogramMBean) probe.getColumnFamilyMetric(keyspace, cfname, "ReadLatency"));
+ double[] writeLatency = probe.metricPercentilesAsArray((JmxReporter.TimerMBean) probe.getColumnFamilyMetric(keyspace, cfname, "WriteLatency"));
+ double[] sstablesPerRead = probe.metricPercentilesAsArray((JmxReporter.HistogramMBean) probe.getColumnFamilyMetric(keyspace, cfname, "SSTablesPerReadHistogram"));
+
+ System.out.println(format("%s/%s histograms", keyspace, cfname));
+ System.out.println(format("%-10s%10s%18s%18s%18s%18s",
+ "Percentile", "SSTables", "Write Latency", "Read Latency", "Partition Size", "Cell Count"));
+ System.out.println(format("%-10s%10s%18s%18s%18s%18s",
+ "", "", "(micros)", "(micros)", "(bytes)", ""));
+
+ for (int i = 0; i < percentiles.length; i++)
+ {
+ System.out.println(format("%-10s%10.2f%18.2f%18.2f%18.0f%18.0f",
+ percentiles[i],
+ sstablesPerRead[i],
+ writeLatency[i],
+ readLatency[i],
+ estimatedRowSizePercentiles[i],
+ estimatedColumnCountPercentiles[i]));
+ }
+ System.out.println();
+ }
+ }
+
+ @Command(name = "cleanup", description = "Triggers the immediate cleanup of keys no longer belonging to a node. By default, clean all keyspaces")
+ public static class Cleanup extends NodeToolCmd
+ {
+ @Arguments(usage = "[<keyspace> <cfnames>...]", description = "The keyspace followed by one or many column families")
+ private List<String> args = new ArrayList<>();
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ List<String> keyspaces = parseOptionalKeyspace(args, probe);
+ String[] cfnames = parseOptionalColumnFamilies(args);
+
+ for (String keyspace : keyspaces)
+ {
+ if (Keyspace.SYSTEM_KS.equals(keyspace))
+ continue;
+
+ try
+ {
+ probe.forceKeyspaceCleanup(keyspace, cfnames);
+ } catch (Exception e)
+ {
+ throw new RuntimeException("Error occurred during cleanup", e);
+ }
+ }
+ }
+ }
+
+ @Command(name = "clearsnapshot", description = "Remove the snapshot with the given name from the given keyspaces. If no snapshotName is specified we will remove all snapshots")
+ public static class ClearSnapshot extends NodeToolCmd
+ {
+ @Arguments(usage = "[<keyspaces>...] ", description = "Remove snapshots from the given keyspaces")
+ private List<String> keyspaces = new ArrayList<>();
+
+ @Option(title = "snapshot_name", name = "-t", description = "Remove the snapshot with a given name")
+ private String snapshotName = EMPTY;
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ StringBuilder sb = new StringBuilder();
+
+ sb.append("Requested clearing snapshot(s) for ");
+
+ if (keyspaces.isEmpty())
+ sb.append("[all keyspaces]");
+ else
+ sb.append("[").append(join(keyspaces, ", ")).append("]");
+
+ if (!snapshotName.isEmpty())
+ sb.append(" with snapshot name [").append(snapshotName).append("]");
+
+ System.out.println(sb.toString());
+
+ try
+ {
+ probe.clearSnapshot(snapshotName, toArray(keyspaces, String.class));
+ } catch (IOException e)
+ {
+ throw new RuntimeException("Error during clearing snapshots", e);
+ }
+ }
+ }
+
+ @Command(name = "compact", description = "Force a (major) compaction on one or more column families")
+ public static class Compact extends NodeToolCmd
+ {
+ @Arguments(usage = "[<keyspace> <cfnames>...]", description = "The keyspace followed by one or many column families")
+ private List<String> args = new ArrayList<>();
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ List<String> keyspaces = parseOptionalKeyspace(args, probe);
+ String[] cfnames = parseOptionalColumnFamilies(args);
+
+ for (String keyspace : keyspaces)
+ {
+ try
+ {
+ probe.forceKeyspaceCompaction(keyspace, cfnames);
+ } catch (Exception e)
+ {
+ throw new RuntimeException("Error occurred during compaction", e);
+ }
+ }
+ }
+ }
+
+ @Command(name = "flush", description = "Flush one or more column families")
+ public static class Flush extends NodeToolCmd
+ {
+ @Arguments(usage = "[<keyspace> <cfnames>...]", description = "The keyspace followed by one or many column families")
+ private List<String> args = new ArrayList<>();
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ List<String> keyspaces = parseOptionalKeyspace(args, probe);
+ String[] cfnames = parseOptionalColumnFamilies(args);
+
+ for (String keyspace : keyspaces)
+ {
+ try
+ {
+ probe.forceKeyspaceFlush(keyspace, cfnames);
+ } catch (Exception e)
+ {
+ throw new RuntimeException("Error occurred during flushing", e);
+ }
+ }
+ }
+ }
+
+ @Command(name = "scrub", description = "Scrub (rebuild sstables for) one or more column families")
+ public static class Scrub extends NodeToolCmd
+ {
+ @Arguments(usage = "[<keyspace> <cfnames>...]", description = "The keyspace followed by one or many column families")
+ private List<String> args = new ArrayList<>();
+
+ @Option(title = "disable_snapshot", name = {"-ns", "--no-snapshot"}, description = "Scrubbed CFs will be snapshotted first, if disableSnapshot is false. (default false)")
+ private boolean disableSnapshot = false;
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ List<String> keyspaces = parseOptionalKeyspace(args, probe);
+ String[] cfnames = parseOptionalColumnFamilies(args);
+
+ for (String keyspace : keyspaces)
+ {
+ try
+ {
+ probe.scrub(disableSnapshot, keyspace, cfnames);
+ } catch (Exception e)
+ {
+ throw new RuntimeException("Error occurred during flushing", e);
+ }
+ }
+ }
+ }
+
+ @Command(name = "disableautocompaction", description = "Disable autocompaction for the given keyspace and column family")
+ public static class DisableAutoCompaction extends NodeToolCmd
+ {
+ @Arguments(usage = "[<keyspace> <cfnames>...]", description = "The keyspace followed by one or many column families")
+ private List<String> args = new ArrayList<>();
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ List<String> keyspaces = parseOptionalKeyspace(args, probe);
+ String[] cfnames = parseOptionalColumnFamilies(args);
+
+ for (String keyspace : keyspaces)
+ {
+ try
+ {
+ probe.disableAutoCompaction(keyspace, cfnames);
+ } catch (IOException e)
+ {
+ throw new RuntimeException("Error occurred during disabling auto-compaction", e);
+ }
+ }
+ }
+ }
+
+ @Command(name = "enableautocompaction", description = "Enable autocompaction for the given keyspace and column family")
+ public static class EnableAutoCompaction extends NodeToolCmd
+ {
+ @Arguments(usage = "[<keyspace> <cfnames>...]", description = "The keyspace followed by one or many column families")
+ private List<String> args = new ArrayList<>();
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ List<String> keyspaces = parseOptionalKeyspace(args, probe);
+ String[] cfnames = parseOptionalColumnFamilies(args);
+
+ for (String keyspace : keyspaces)
+ {
+ try
+ {
+ probe.enableAutoCompaction(keyspace, cfnames);
+ } catch (IOException e)
+ {
+ throw new RuntimeException("Error occurred during enabling auto-compaction", e);
+ }
+ }
+ }
+ }
+
+ @Command(name = "upgradesstables", description = "Rewrite sstables (for the requested column families) that are not on the current version (thus upgrading them to said current version)")
+ public static class UpgradeSSTable extends NodeToolCmd
+ {
+ @Arguments(usage = "[<keyspace> <cfnames>...]", description = "The keyspace followed by one or many column families")
+ private List<String> args = new ArrayList<>();
+
+ @Option(title = "include_all", name = {"-a", "--include-all-sstables"}, description = "Use -a to include all sstables, even those already on the current version")
+ private boolean includeAll = false;
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ List<String> keyspaces = parseOptionalKeyspace(args, probe);
+ String[] cfnames = parseOptionalColumnFamilies(args);
+
+ for (String keyspace : keyspaces)
+ {
+ try
+ {
+ probe.upgradeSSTables(keyspace, !includeAll, cfnames);
+ } catch (Exception e)
+ {
+ throw new RuntimeException("Error occurred during enabling auto-compaction", e);
+ }
+ }
+ }
+ }
+
+ @Command(name = "compactionstats", description = "Print statistics on compactions")
+ public static class CompactionStats extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ int compactionThroughput = probe.getCompactionThroughput();
+ CompactionManagerMBean cm = probe.getCompactionManagerProxy();
+ System.out.println("pending tasks: " + probe.getCompactionMetric("PendingTasks"));
+ if (cm.getCompactions().size() > 0)
+ System.out.printf("%25s%16s%16s%16s%16s%10s%10s%n", "compaction type", "keyspace", "table", "completed", "total", "unit", "progress");
+ long remainingBytes = 0;
+ for (Map<String, String> c : cm.getCompactions())
+ {
+ String percentComplete = new Long(c.get("total")) == 0
+ ? "n/a"
+ : new DecimalFormat("0.00").format((double) new Long(c.get("completed")) / new Long(c.get("total")) * 100) + "%";
+ System.out.printf("%25s%16s%16s%16s%16s%10s%10s%n", c.get("taskType"), c.get("keyspace"), c.get("columnfamily"), c.get("completed"), c.get("total"), c.get("unit"), percentComplete);
+ if (c.get("taskType").equals(OperationType.COMPACTION.toString()))
+ remainingBytes += (new Long(c.get("total")) - new Long(c.get("completed")));
+ }
+ long remainingTimeInSecs = compactionThroughput == 0 || remainingBytes == 0
+ ? -1
+ : (remainingBytes) / (1024L * 1024L * compactionThroughput);
+ String remainingTime = remainingTimeInSecs < 0
+ ? "n/a"
+ : format("%dh%02dm%02ds", remainingTimeInSecs / 3600, (remainingTimeInSecs % 3600) / 60, (remainingTimeInSecs % 60));
+
+ System.out.printf("%25s%10s%n", "Active compaction remaining time : ", remainingTime);
+ }
+ }
+
+ @Command(name = "compactionhistory", description = "Print history of compaction")
+ public static class CompactionHistory extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ System.out.println("Compaction History: ");
+
+ TabularData tabularData = probe.getCompactionHistory();
+ if (tabularData.isEmpty())
+ {
+ System.out.printf("There is no compaction history");
+ return;
+ }
+
+ String format = "%-41s%-19s%-29s%-26s%-15s%-15s%s%n";
+ List<String> indexNames = tabularData.getTabularType().getIndexNames();
+ System.out.printf(format, toArray(indexNames, String.class));
+
+ Set<?> values = tabularData.keySet();
+ for (Object eachValue : values)
+ {
+ List<?> value = (List<?>) eachValue;
+ System.out.printf(format, toArray(value, Object.class));
+ }
+ }
+ }
+
+ @Command(name = "decommission", description = "Decommission the *node I am connecting to*")
+ public static class Decommission extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ try
+ {
+ probe.decommission();
+ } catch (InterruptedException e)
+ {
+ throw new RuntimeException("Error decommissioning node", e);
+ }
+ }
+ }
+
+ @Command(name = "describecluster", description = "Print the name, snitch, partitioner and schema version of a cluster")
+ public static class DescribeCluster extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ // display cluster name, snitch and partitioner
+ System.out.println("Cluster Information:");
+ System.out.println("\tName: " + probe.getClusterName());
+ System.out.println("\tSnitch: " + probe.getEndpointSnitchInfoProxy().getSnitchName());
+ System.out.println("\tPartitioner: " + probe.getPartitioner());
+
+ // display schema version for each node
+ System.out.println("\tSchema versions:");
+ Map<String, List<String>> schemaVersions = probe.getSpProxy().getSchemaVersions();
+ for (String version : schemaVersions.keySet())
+ {
+ System.out.println(format("\t\t%s: %s%n", version, schemaVersions.get(version)));
+ }
+ }
+ }
+
+ @Command(name = "disablebinary", description = "Disable native transport (binary protocol)")
+ public static class DisableBinary extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ probe.stopNativeTransport();
+ }
+ }
+
+ @Command(name = "enablebinary", description = "Reenable native transport (binary protocol)")
+ public static class EnableBinary extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ probe.startNativeTransport();
+ }
+ }
+
+ @Command(name = "enablegossip", description = "Reenable gossip")
+ public static class EnableGossip extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ probe.startGossiping();
+ }
+ }
+
+ @Command(name = "disablegossip", description = "Disable gossip (effectively marking the node down)")
+ public static class DisableGossip extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ probe.stopGossiping();
+ }
+ }
+
+ @Command(name = "enablehandoff", description = "Reenable the future hints storing on the current node")
+ public static class EnableHandoff extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ probe.enableHintedHandoff();
+ }
+ }
+
+ @Command(name = "enablethrift", description = "Reenable thrift server")
+ public static class EnableThrift extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ probe.startThriftServer();
+ }
+ }
+
+ @Command(name = "getcompactionthreshold", description = "Print min and max compaction thresholds for a given column family")
+ public static class GetCompactionThreshold extends NodeToolCmd
+ {
+ @Arguments(usage = "<keyspace> <cfname>", description = "The keyspace with a column family")
+ private List<String> args = new ArrayList<>();
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ checkArgument(args.size() == 2, "getcompactionthreshold requires ks and cf args");
+ String ks = args.get(0);
+ String cf = args.get(1);
+
+ ColumnFamilyStoreMBean cfsProxy = probe.getCfsProxy(ks, cf);
+ System.out.println("Current compaction thresholds for " + ks + "/" + cf + ": \n" +
+ " min = " + cfsProxy.getMinimumCompactionThreshold() + ", " +
+ " max = " + cfsProxy.getMaximumCompactionThreshold());
+ }
+ }
+
+ @Command(name = "getcompactionthroughput", description = "Print the MB/s throughput cap for compaction in the system")
+ public static class GetCompactionThroughput extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ System.out.println("Current compaction throughput: " + probe.getCompactionThroughput() + " MB/s");
+ }
+ }
+
+ @Command(name = "getstreamthroughput", description = "Print the MB/s throughput cap for streaming in the system")
+ public static class GetStreamThroughput extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ System.out.println("Current stream throughput: " + probe.getStreamThroughput() + " MB/s");
+ }
+ }
+
+ @Command(name = "getendpoints", description = "Print the end points that owns the key")
+ public static class GetEndpoints extends NodeToolCmd
+ {
+ @Arguments(usage = "<keyspace> <cfname> <key>", description = "The keyspace, the column family, and the key for which we need to find the endpoint")
+ private List<String> args = new ArrayList<>();
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ checkArgument(args.size() == 3, "getendpoints requires ks, cf and key args");
+ String ks = args.get(0);
+ String cf = args.get(1);
+ String key = args.get(2);
+
+ List<InetAddress> endpoints = probe.getEndpoints(ks, cf, key);
+ for (InetAddress endpoint : endpoints)
+ {
+ System.out.println(endpoint.getHostAddress());
+ }
+ }
+ }
+
+ @Command(name = "getsstables", description = "Print the sstable filenames that own the key")
+ public static class GetSSTables extends NodeToolCmd
+ {
+ @Arguments(usage = "<keyspace> <cfname> <key>", description = "The keyspace, the column family, and the key")
+ private List<String> args = new ArrayList<>();
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ checkArgument(args.size() == 3, "getsstables requires ks, cf and key args");
+ String ks = args.get(0);
+ String cf = args.get(1);
+ String key = args.get(2);
+
+ List<String> sstables = probe.getSSTables(ks, cf, key);
+ for (String sstable : sstables)
+ {
+ System.out.println(sstable);
+ }
+ }
+ }
+
+ @Command(name = "gossipinfo", description = "Shows the gossip information for the cluster")
+ public static class GossipInfo extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ System.out.println(probe.getGossipInfo());
+ }
+ }
+
+ @Command(name = "invalidatekeycache", description = "Invalidate the key cache")
+ public static class InvalidateKeyCache extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ probe.invalidateKeyCache();
+ }
+ }
+
+ @Command(name = "invalidaterowcache", description = "Invalidate the row cache")
+ public static class InvalidateRowCache extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ probe.invalidateRowCache();
+ }
+ }
+
+ @Command(name = "join", description = "Join the ring")
+ public static class Join extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ checkState(!probe.isJoined(), "This node has already joined the ring.");
+
+ try
+ {
+ probe.joinRing();
+ } catch (IOException e)
+ {
+ throw new RuntimeException("Error during joining the ring", e);
+ }
+ }
+ }
+
+ @Command(name = "move", description = "Move node on the token ring to a new token")
+ public static class Move extends NodeToolCmd
+ {
+ @Arguments(usage = "<new token>", description = "The new token. (for negative tokens)", required = true)
+ private String newToken = EMPTY;
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ try
+ {
+ probe.move(newToken);
+ } catch (IOException e)
+ {
+ throw new RuntimeException("Error during moving node", e);
+ }
+ }
+ }
+
+ @Command(name = "pausehandoff", description = "Pause hints delivery process")
+ public static class PauseHandoff extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ probe.pauseHintsDelivery();
+ }
+ }
+
+ @Command(name = "resumehandoff", description = "Resume hints delivery process")
+ public static class ResumeHandoff extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ probe.resumeHintsDelivery();
+ }
+ }
+
+
+ @Command(name = "proxyhistograms", description = "Print statistic histograms for network operations")
+ public static class ProxyHistograms extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ String[] percentiles = new String[]{"50%", "75%", "95%", "98%", "99%", "Min", "Max"};
+ double[] readLatency = probe.metricPercentilesAsArray(probe.getProxyMetric("Read"));
+ double[] writeLatency = probe.metricPercentilesAsArray(probe.getProxyMetric("Write"));
+ double[] rangeLatency = probe.metricPercentilesAsArray(probe.getProxyMetric("RangeSlice"));
+
+ System.out.println("proxy histograms");
+ System.out.println(format("%-10s%18s%18s%18s",
+ "Percentile", "Read Latency", "Write Latency", "Range Latency"));
+ System.out.println(format("%-10s%18s%18s%18s",
+ "", "(micros)", "(micros)", "(micros)"));
+ for (int i = 0; i < percentiles.length; i++)
+ {
+ System.out.println(format("%-10s%18.2f%18.2f%18.2f",
+ percentiles[i],
+ readLatency[i],
+ writeLatency[i],
+ rangeLatency[i]));
+ }
+ System.out.println();
+ }
+ }
+
+ @Command(name = "rebuild", description = "Rebuild data by streaming from other nodes (similarly to bootstrap)")
+ public static class Rebuild extends NodeToolCmd
+ {
+ @Arguments(usage = "<src-dc-name>", description = "Name of DC from which to select sources for streaming. By default, pick any DC")
+ private String sourceDataCenterName = null;
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ probe.rebuild(sourceDataCenterName);
+ }
+ }
+
+ @Command(name = "refresh", description = "Load newly placed SSTables to the system without restart")
+ public static class Refresh extends NodeToolCmd
+ {
+ @Arguments(usage = "<keyspace> <cfname>", description = "The keyspace and column family name")
+ private List<String> args = new ArrayList<>();
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ checkArgument(args.size() == 2, "refresh requires ks and cf args");
+ probe.loadNewSSTables(args.get(0), args.get(1));
+ }
+ }
+
+ @Deprecated
+ @Command(name = "removetoken", description = "DEPRECATED (see removenode)", hidden = true)
+ public static class RemoveToken extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ System.err.println("Warn: removetoken is deprecated, please use removenode instead");
+ }
+ }
+
+ @Command(name = "removenode", description = "Show status of current node removal, force completion of pending removal or remove provided ID")
+ public static class RemoveNode extends NodeToolCmd
+ {
+ @Arguments(title = "remove_operation", usage = "<status>|<force>|<ID>", description = "The keyspace and column family name", required = true)
+ private String removeOperation = EMPTY;
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ switch (removeOperation)
+ {
+ case "status":
+ System.out.println("RemovalStatus: " + probe.getRemovalStatus());
+ break;
+ case "force":
+ System.out.println("RemovalStatus: " + probe.getRemovalStatus());
+ probe.forceRemoveCompletion();
+ break;
+ default:
+ probe.removeNode(removeOperation);
+ break;
+ }
+ }
+ }
+
+ @Command(name = "repair", description = "Repair one or more column families")
+ public static class Repair extends NodeToolCmd
+ {
+ @Arguments(usage = "[<keyspace> <cfnames>...]", description = "The keyspace followed by one or many column families")
+ private List<String> args = new ArrayList<>();
+
+ @Option(title = "parallel", name = {"-par", "--parallel"}, description = "Use -par to carry out a parallel repair")
+ private boolean parallel = false;
+
+ @Option(title = "local_dc", name = {"-local", "--in-local-dc"}, description = "Use -local to only repair against nodes in the same datacenter")
+ private boolean localDC = false;
+
+ @Option(title = "specific_dc", name = {"-dc", "--in-dc"}, description = "Use -dc to repair specific datacenters")
+ private List<String> specificDataCenters = new ArrayList<>();
+
+ @Option(title = "start_token", name = {"-st", "--start-token"}, description = "Use -st to specify a token at which the repair range starts")
+ private String startToken = EMPTY;
+
+ @Option(title = "end_token", name = {"-et", "--end-token"}, description = "Use -et to specify a token at which repair range ends")
+ private String endToken = EMPTY;
+
+ @Option(title = "primary_range", name = {"-pr", "--partitioner-range"}, description = "Use -pr to repair only the first range returned by the partitioner")
+ private boolean primaryRange = false;
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ List<String> keyspaces = parseOptionalKeyspace(args, probe);
+ String[] cfnames = parseOptionalColumnFamilies(args);
+
+ for (String keyspace : keyspaces)
+ {
+ try
+ {
+ Collection<String> dataCenters = null;
+ if (!specificDataCenters.isEmpty())
+ dataCenters = newArrayList(specificDataCenters);
+ else if (localDC)
+ dataCenters = newArrayList(probe.getDataCenter());
+
+ if (!startToken.isEmpty() || !endToken.isEmpty())
+ probe.forceRepairRangeAsync(System.out, keyspace, !parallel, dataCenters, startToken, endToken);
+ else
+ probe.forceRepairAsync(System.out, keyspace, !parallel, dataCenters, primaryRange, cfnames);
+ } catch (Exception e)
+ {
+ throw new RuntimeException("Error occurred during repair", e);
+ }
+ }
+ }
+ }
+
+ @Command(name = "setcachecapacity", description = "Set global key and row cache capacities (in MB units)")
+ public static class SetCacheCapacity extends NodeToolCmd
+ {
+ @Arguments(title = "<key-cache-capacity> <row-cache-capacity>", usage = "<key-cache-capacity> <row-cache-capacity>", description = "Key cache and row cache (in MB)", required = true)
+ private List<Integer> args = new ArrayList<>();
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ checkArgument(args.size() == 2, "setcachecapacity requires key-cache-capacity, and row-cache-capacity args.");
+ probe.setCacheCapacities(args.get(0), args.get(1));
+ }
+ }
+
+ @Command(name = "setcompactionthreshold", description = "Set min and max compaction thresholds for a given column family")
+ public static class SetCompactionThreshold extends NodeToolCmd
+ {
+ @Arguments(title = "<keyspace> <cfname> <minthreshold> <maxthreshold>", usage = "<keyspace> <cfname> <minthreshold> <maxthreshold>", description = "The keyspace, the column family, min and max threshold", required = true)
+ private List<String> args = new ArrayList<>();
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ checkArgument(args.size() == 4, "setcompactionthreshold requires ks, cf, min, and max threshold args.");
+
+ int minthreshold = parseInt(args.get(2));
+ int maxthreshold = parseInt(args.get(3));
+ checkArgument(minthreshold >= 0 && maxthreshold >= 0, "Thresholds must be positive integers");
+ checkArgument(minthreshold <= maxthreshold, "Min threshold cannot be greater than max.");
+ checkArgument(minthreshold >= 2 || maxthreshold == 0, "Min threshold must be at least 2");
+
+ probe.setCompactionThreshold(args.get(0), args.get(1), minthreshold, maxthreshold);
+ }
+ }
+
+ @Command(name = "setcompactionthroughput", description = "Set the MB/s throughput cap for compaction in the system, or 0 to disable throttling")
+ public static class SetCompactionThroughput extends NodeToolCmd
+ {
+ @Arguments(title = "compaction_throughput", usage = "<value_in_mb>", description = "Value in MB, 0 to disable throttling", required = true)
+ private Integer compactionThroughput = null;
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ probe.setCompactionThroughput(compactionThroughput);
+ }
+ }
+
+ @Command(name = "setstreamthroughput", description = "Set the MB/s throughput cap for streaming in the system, or 0 to disable throttling")
+ public static class SetStreamThroughput extends NodeToolCmd
+ {
+ @Arguments(title = "stream_throughput", usage = "<value_in_mb>", description = "Value in MB, 0 to disable throttling", required = true)
+ private Integer streamThroughput = null;
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ probe.setStreamThroughput(streamThroughput);
+ }
+ }
+
+ @Command(name = "settraceprobability", description = "Sets the probability for tracing any given request to value. 0 disables, 1 enables for all requests, 0 is the default")
+ public static class SetTraceProbability extends NodeToolCmd
+ {
+ @Arguments(title = "trace_probability", usage = "<value>", description = "Trace probability between 0 and 1 (ex: 0.2)", required = true)
+ private Double traceProbability = null;
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ checkArgument(traceProbability >= 0 && traceProbability <= 1, "Trace probability must be between 0 and 1");
+ probe.setTraceProbability(traceProbability);
+ }
+ }
+
+ @Command(name = "snapshot", description = "Take a snapshot of specified keyspaces or a snapshot of the specified column family")
+ public static class Snapshot extends NodeToolCmd
+ {
+ @Arguments(usage = "[<keyspaces...>]", description = "List of keyspaces. By default, all keyspaces")
+ private List<String> keyspaces = new ArrayList<>();
+
+ @Option(title = "cfname", name = {"-cf", "--column-family"}, description = "The column family name (you must specify one and only one keyspace for using this option)")
+ private String columnFamily = null;
+
+ @Option(title = "tag", name = {"-t", "--tag"}, description = "The name of the snapshot")
+ private String snapshotName = Long.toString(System.currentTimeMillis());
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ try
+ {
+ StringBuilder sb = new StringBuilder();
+
+ sb.append("Requested creating snapshot(s) for ");
+
+ if (keyspaces.isEmpty())
+ sb.append("[all keyspaces]");
+ else
+ sb.append("[").append(join(keyspaces, ", ")).append("]");
+
+ if (!snapshotName.isEmpty())
+ sb.append(" with snapshot name [").append(snapshotName).append("]");
+
+ System.out.println(sb.toString());
+
+ probe.takeSnapshot(snapshotName, columnFamily, toArray(keyspaces, String.class));
+ System.out.println("Snapshot directory: " + snapshotName);
+ } catch (IOException e)
+ {
+ throw new RuntimeException("Error during taking a snapshot", e);
+ }
+ }
+ }
+
+ @Command(name = "status", description = "Print cluster information (state, load, IDs, ...)")
+ public static class Status extends NodeToolCmd
+ {
+ @Arguments(usage = "[<keyspace>]", description = "The keyspace name")
+ private String keyspace = null;
+
+ @Option(title = "resolve_ip", name = {"-r", "--resolve-ip"}, description = "Show node domain names instead of IPs")
+ private boolean resolveIp = false;
+
+ private boolean hasEffectiveOwns = false;
+ private boolean isTokenPerNode = true;
+ private int maxAddressLength = 0;
+ private String format = null;
+ private Collection<String> joiningNodes, leavingNodes, movingNodes, liveNodes, unreachableNodes;
+ private Map<String, String> loadMap, hostIDMap, tokensToEndpoints;
+ private EndpointSnitchInfoMBean epSnitchInfo;
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ joiningNodes = probe.getJoiningNodes();
+ leavingNodes = probe.getLeavingNodes();
+ movingNodes = probe.getMovingNodes();
+ loadMap = probe.getLoadMap();
+ tokensToEndpoints = probe.getTokenToEndpointMap();
+ liveNodes = probe.getLiveNodes();
+ unreachableNodes = probe.getUnreachableNodes();
+ hostIDMap = probe.getHostIdMap();
+ epSnitchInfo = probe.getEndpointSnitchInfoProxy();
+
+ SetHostStat ownerships;
+ try
+ {
+ ownerships = new SetHostStat(probe.effectiveOwnership(keyspace));
+ hasEffectiveOwns = true;
+ } catch (IllegalStateException e)
+ {
+ ownerships = new SetHostStat(probe.getOwnership());
+ }
+
+ // More tokens then nodes (aka vnodes)?
+ if (new HashSet<>(tokensToEndpoints.values()).size() < tokensToEndpoints.keySet().size())
+ isTokenPerNode = false;
+
+ Map<String, SetHostStat> dcs = getOwnershipByDc(probe, ownerships);
+
+ findMaxAddressLength(dcs);
+
+ // Datacenters
+ for (Map.Entry<String, SetHostStat> dc : dcs.entrySet())
+ {
+ String dcHeader = String.format("Datacenter: %s%n", dc.getKey());
+ System.out.printf(dcHeader);
+ for (int i = 0; i < (dcHeader.length() - 1); i++) System.out.print('=');
+ System.out.println();
+
+ // Legend
+ System.out.println("Status=Up/Down");
+ System.out.println("|/ State=Normal/Leaving/Joining/Moving");
+
+ printNodesHeader(hasEffectiveOwns, isTokenPerNode);
+
+ // Nodes
+ for (HostStat entry : dc.getValue())
+ printNode(probe, entry, hasEffectiveOwns, isTokenPerNode);
+ }
+
+ }
+
+ private void findMaxAddressLength(Map<String, SetHostStat> dcs)
+ {
+ maxAddressLength = 0;
+ for (Map.Entry<String, SetHostStat> dc : dcs.entrySet())
+ {
+ for (HostStat stat : dc.getValue())
+ {
+ maxAddressLength = Math.max(maxAddressLength, stat.ipOrDns().length());
+ }
+ }
+ }
+
+ private void printNodesHeader(boolean hasEffectiveOwns, boolean isTokenPerNode)
+ {
+ String fmt = getFormat(hasEffectiveOwns, isTokenPerNode);
+ String owns = hasEffectiveOwns ? "Owns (effective)" : "Owns";
+
+ if (isTokenPerNode)
+ System.out.printf(fmt, "-", "-", "Address", "Load", owns, "Host ID", "Token", "Rack");
+ else
+ System.out.printf(fmt, "-", "-", "Address", "Load", "Tokens", owns, "Host ID", "Rack");
+ }
+
+ private void printNode(NodeProbe probe, HostStat hostStat, boolean hasEffectiveOwns, boolean isTokenPerNode)
+ {
+ String status, state, load, strOwns, hostID, rack, fmt;
+ fmt = getFormat(hasEffectiveOwns, isTokenPerNode);
+ String endpoint = hostStat.ip;
+ if (liveNodes.contains(endpoint)) status = "U";
+ else if (unreachableNodes.contains(endpoint)) status = "D";
+ else status = "?";
+ if (joiningNodes.contains(endpoint)) state = "J";
+ else if (leavingNodes.contains(endpoint)) state = "L";
+ else if (movingNodes.contains(endpoint)) state = "M";
+ else state = "N";
+
+ load = loadMap.containsKey(endpoint) ? loadMap.get(endpoint) : "?";
+ strOwns = new DecimalFormat("##0.0%").format(hostStat.owns);
+ hostID = hostIDMap.get(endpoint);
+
+ try
+ {
+ rack = epSnitchInfo.getRack(endpoint);
+ } catch (UnknownHostException e)
+ {
+ throw new RuntimeException(e);
+ }
+
+ if (isTokenPerNode)
+ {
+ System.out.printf(fmt, status, state, hostStat.ipOrDns(), load, strOwns, hostID, probe.getTokens(endpoint).get(0), rack);
+ } else
+ {
+ int tokens = probe.getTokens(endpoint).size();
+ System.out.printf(fmt, status, state, hostStat.ipOrDns(), load, tokens, strOwns, hostID, rack);
+ }
+ }
+
+ private String getFormat(
+ boolean hasEffectiveOwns,
+ boolean isTokenPerNode)
+ {
+ if (format == null)
+ {
+ StringBuilder buf = new StringBuilder();
+ String addressPlaceholder = String.format("%%-%ds ", maxAddressLength);
+ buf.append("%s%s "); // status
+ buf.append(addressPlaceholder); // address
+ buf.append("%-9s "); // load
+ if (!isTokenPerNode)
+ buf.append("%-6s "); // "Tokens"
+ if (hasEffectiveOwns)
+ buf.append("%-16s "); // "Owns (effective)"
+ else
+ buf.append("%-6s "); // "Owns
+ buf.append("%-36s "); // Host ID
+ if (isTokenPerNode)
+ buf.append("%-39s "); // token
+ buf.append("%s%n"); // "Rack"
+
+ format = buf.toString();
+ }
+
+ return format;
+ }
+
+ private Map<String, SetHostStat> getOwnershipByDc(NodeProbe probe, SetHostStat ownerships)
+ {
+ Map<String, SetHostStat> ownershipByDc = Maps.newLinkedHashMap();
+ EndpointSnitchInfoMBean epSnitchInfo = probe.getEndpointSnitchInfoProxy();
+
+ try
+ {
+ for (HostStat ownership : ownerships)
+ {
+ String dc = epSnitchInfo.getDatacenter(ownership.ip);
+ if (!ownershipByDc.containsKey(dc))
+ ownershipByDc.put(dc, new SetHostStat());
+ ownershipByDc.get(dc).add(ownership);
+ }
+ } catch (UnknownHostException e)
+ {
+ throw new RuntimeException(e);
+ }
+
+ return ownershipByDc;
+ }
+
+ class SetHostStat implements Iterable<HostStat>
+ {
+ final List<HostStat> hostStats = new ArrayList<>();
+
+ public SetHostStat()
+ {
+ }
+
+ public SetHostStat(Map<InetAddress, Float> ownerships)
+ {
+ for (Map.Entry<InetAddress, Float> entry : ownerships.entrySet())
+ {
+ hostStats.add(new HostStat(entry));
+ }
+ }
+
+ @Override
+ public Iterator<HostStat> iterator()
+ {
+ return hostStats.iterator();
+ }
+
+ public void add(HostStat entry)
+ {
+ hostStats.add(entry);
+ }
+ }
+
+ class HostStat
+ {
+ public final String ip;
+ public final String dns;
+ public final Float owns;
+
+ public HostStat(Map.Entry<InetAddress, Float> ownership)
+ {
+ this.ip = ownership.getKey().getHostAddress();
+ this.dns = ownership.getKey().getHostName();
+ this.owns = ownership.getValue();
+ }
+
+ public String ipOrDns()
+ {
+ if (resolveIp)
+ {
+ return dns;
+ }
+ return ip;
+ }
+ }
+ }
+
+ @Command(name = "statusbinary", description = "Status of native transport (binary protocol)")
+ public static class StatusBinary extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ System.out.println(
+ probe.isNativeTransportRunning()
+ ? "running"
+ : "not running");
+ }
+ }
+
+ @Command(name = "statusthrift", description = "Status of thrift server")
+ public static class StatusThrift extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ System.out.println(
+ probe.isThriftServerRunning()
+ ? "running"
+ : "not running");
+ }
+ }
+
+ @Command(name = "stop", description = "Stop compaction")
+ public static class Stop extends NodeToolCmd
+ {
+ @Arguments(title = "compaction_type", usage = "<compaction type>", description = "Supported types are COMPACTION, VALIDATION, CLEANUP, SCRUB, INDEX_BUILD", required = true)
+ private OperationType compactionType = OperationType.UNKNOWN;
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ probe.stop(compactionType.name());
+ }
+ }
+
+ @Command(name = "stopdaemon", description = "Stop cassandra daemon")
+ public static class StopDaemon extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ try
+ {
+ probe.stopCassandraDaemon();
+ } catch (Exception ignored)
+ {
+ // ignored
+ }
+ System.out.println("Cassandra has shutdown.");
+ }
+ }
+
+ @Command(name = "version", description = "Print cassandra version")
+ public static class Version extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ System.out.println("ReleaseVersion: " + probe.getReleaseVersion());
+ }
+ }
+
+ @Command(name = "describering", description = "Shows the token ranges info of a given keyspace")
+ public static class DescribeRing extends NodeToolCmd
+ {
+ @Arguments(description = "The keyspace name", required = true)
+ String keyspace = EMPTY;
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ System.out.println("Schema Version:" + probe.getSchemaVersion());
+ System.out.println("TokenRange: ");
+ try
+ {
+ for (String tokenRangeString : probe.describeRing(keyspace))
+ {
+ System.out.println("\t" + tokenRangeString);
+ }
+ } catch (IOException e)
+ {
+ throw new RuntimeException(e);
+ }
+ }
+ }
+
+ @Command(name = "rangekeysample", description = "Shows the sampled keys held across all keyspaces")
+ public static class RangeKeySample extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ System.out.println("RangeKeySample: ");
+ List<String> tokenStrings = probe.sampleKeyRange();
+ for (String tokenString : tokenStrings)
+ {
+ System.out.println("\t" + tokenString);
+ }
+ }
+ }
+
+ @Command(name = "rebuild_index", description = "A full rebuilds of native secondry index for a given column family")
+ public static class RebuildIndex extends NodeToolCmd
+ {
+ @Arguments(usage = "<keyspace> <cfname> [<indexName...>]", description = "The keyspace and column family name followed by an optional list of index names (IndexNameExample: Standard3.IdxName Standard3.IdxName1)")
+ List<String> args = new ArrayList<>();
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ checkArgument(args.size() >= 2, "rebuild_index requires ks and cf args");
+
+ List<String> indexNames = new ArrayList<>();
+ if (args.size() > 2)
+ {
+ indexNames.addAll(args.subList(2, args.size()));
+ }
+
+ probe.rebuildIndex(args.get(0), args.get(1), toArray(indexNames, String.class));
+ }
+ }
+
+ @Command(name = "resetlocalschema", description = "Reset node's local schema and resync")
+ public static class ResetLocalSchema extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ try
+ {
+ probe.resetLocalSchema();
+ } catch (IOException e)
+ {
+ throw new RuntimeException(e);
+ }
+ }
+ }
+
+ @Command(name = "enablebackup", description = "Enable incremental backup")
+ public static class EnableBackup extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ probe.setIncrementalBackupsEnabled(true);
+ }
+ }
+
+ @Command(name = "disablebackup", description = "Disable incremental backup")
+ public static class DisableBackup extends NodeToolCmd
+ {
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ probe.setIncrementalBackupsEnabled(false);
+ }
+ }
+
+ @Command(name = "setcachekeystosave", description = "Set number of keys saved by each cache for faster post-restart warmup. 0 to disable")
+ public static class SetCacheKeysToSave extends NodeToolCmd
+ {
+ @Arguments(title = "<key-cache-keys-to-save> <row-cache-keys-to-save>", usage = "<key-cache-keys-to-save> <row-cache-keys-to-save>", description = "The number of keys saved by each cache. 0 to disable", required = true)
+ private List<Integer> args = new ArrayList<>();
+
+ @Override
+ public void execute(NodeProbe probe)
+ {
+ checkArgument(args.size()
<TRUNCATED>