Package org.apache.accumulo.monitor.util

Examples of org.apache.accumulo.monitor.util.Table

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      ArrayList<TabletServerStatus> tservers = new ArrayList<TabletServerStatus>();
      if (Monitor.getMmi() != null)
        tservers.addAll(Monitor.getMmi().tServerInfo);
     
      Table tServerList = new Table("tservers", "Tablet&nbsp;Servers");
      tServerList.setSubCaption("Click on the <span style='color: #0000ff;'>server address</span> to view detailed performance statistics for that server.");
     
      doTserverList(req, sb, tservers, null, tServerList);
      return;
    }
   
    double totalElapsedForAll = 0;
    double splitStdDev = 0;
    double minorStdDev = 0;
    double minorQueueStdDev = 0;
    double majorStdDev = 0;
    double majorQueueStdDev = 0;
    double currentMinorAvg = 0;
    double currentMajorAvg = 0;
    double currentMinorStdDev = 0;
    double currentMajorStdDev = 0;
    TabletStats total = new TabletStats(null, new ActionStats(), new ActionStats(), new ActionStats(), 0, 0, 0, 0);
   
    HostAndPort address = HostAndPort.fromString(tserverAddress);
    TabletStats historical = new TabletStats(null, new ActionStats(), new ActionStats(), new ActionStats(), 0, 0, 0, 0);
    List<TabletStats> tsStats = new ArrayList<TabletStats>();
    try {
      TabletClientService.Client client = ThriftUtil.getClient(new TabletClientService.Client.Factory(), address, Monitor.getSystemConfiguration());
      try {
        for (String tableId : Monitor.getMmi().tableMap.keySet()) {
          tsStats.addAll(client.getTabletStats(Tracer.traceInfo(), SystemCredentials.get().toThrift(Monitor.getInstance()), tableId));
        }
        historical = client.getHistoricalStats(Tracer.traceInfo(), SystemCredentials.get().toThrift(Monitor.getInstance()));
      } finally {
        ThriftUtil.returnClient(client);
      }
    } catch (Exception e) {
      banner(sb, "error", "No Such Tablet ServerAvailable");
      log.error(e, e);
      return;
    }
   
    Table perTabletResults = new Table("perTabletResults", "Detailed&nbsp;Current&nbsp;Operations");
    perTabletResults.setSubCaption("Per-tablet&nbsp;Details");
    perTabletResults.addSortableColumn("Table", new TableLinkType(), null);
    perTabletResults.addSortableColumn("Tablet");
    perTabletResults.addSortableColumn("Entries", new NumberType<Long>(), null);
    perTabletResults.addSortableColumn("Ingest", new NumberType<Long>(), null);
    perTabletResults.addSortableColumn("Query", new NumberType<Long>(), null);
    perTabletResults.addSortableColumn("Minor&nbsp;Avg", new SecondType(), null);
    perTabletResults.addSortableColumn("Minor&nbsp;Std&nbsp;Dev", new SecondType(), null);
    perTabletResults.addSortableColumn("Minor&nbsp;Avg&nbsp;e/s", new NumberType<Double>(), null);
    perTabletResults.addSortableColumn("Major&nbsp;Avg", new SecondType(), null);
    perTabletResults.addSortableColumn("Major&nbsp;Std&nbsp;Dev", new SecondType(), null);
    perTabletResults.addSortableColumn("Major&nbsp;Avg&nbsp;e/s", new NumberType<Double>(), null);
   
    for (TabletStats info : tsStats) {
      if (info.extent == null) {
        historical = info;
        continue;
      }
      total.numEntries += info.numEntries;
      ActionStatsUpdator.update(total.minors, info.minors);
      ActionStatsUpdator.update(total.majors, info.majors);
     
      KeyExtent extent = new KeyExtent(info.extent);
      String tableId = extent.getTableId().toString();
      MessageDigest digester = MessageDigest.getInstance("MD5");
      if (extent.getEndRow() != null && extent.getEndRow().getLength() > 0) {
        digester.update(extent.getEndRow().getBytes(), 0, extent.getEndRow().getLength());
      }
      String obscuredExtent = Base64.encodeBase64String(digester.digest());
      String displayExtent = String.format("<code>[%s]</code>", obscuredExtent);
     
      TableRow row = perTabletResults.prepareRow();
      row.add(tableId);
      row.add(displayExtent);
      row.add(info.numEntries);
      row.add(info.ingestRate);
      row.add(info.queryRate);
      row.add(info.minors.num != 0 ? info.minors.elapsed / info.minors.num : null);
      row.add(stddev(info.minors.elapsed, info.minors.num, info.minors.sumDev));
      row.add(info.minors.elapsed != 0 ? info.minors.count / info.minors.elapsed : null);
      row.add(info.majors.num != 0 ? info.majors.elapsed / info.majors.num : null);
      row.add(stddev(info.majors.elapsed, info.majors.num, info.majors.sumDev));
      row.add(info.majors.elapsed != 0 ? info.majors.count / info.majors.elapsed : null);
      perTabletResults.addRow(row);
    }
   
    // Calculate current averages oldServer adding in historical data
    if (total.minors.num != 0)
      currentMinorAvg = (long) (total.minors.elapsed / total.minors.num);
    if (total.minors.elapsed != 0 && total.minors.num != 0)
      currentMinorStdDev = stddev(total.minors.elapsed, total.minors.num, total.minors.sumDev);
    if (total.majors.num != 0)
      currentMajorAvg = total.majors.elapsed / total.majors.num;
    if (total.majors.elapsed != 0 && total.majors.num != 0 && total.majors.elapsed > total.majors.num)
      currentMajorStdDev = stddev(total.majors.elapsed, total.majors.num, total.majors.sumDev);
   
    // After these += operations, these variables are now total for current
    // tablets and historical tablets
    ActionStatsUpdator.update(total.minors, historical.minors);
    ActionStatsUpdator.update(total.majors, historical.majors);
    totalElapsedForAll += total.majors.elapsed + historical.splits.elapsed + total.minors.elapsed;
   
    minorStdDev = stddev(total.minors.elapsed, total.minors.num, total.minors.sumDev);
    minorQueueStdDev = stddev(total.minors.queueTime, total.minors.num, total.minors.queueSumDev);
    majorStdDev = stddev(total.majors.elapsed, total.majors.num, total.majors.sumDev);
    majorQueueStdDev = stddev(total.majors.queueTime, total.majors.num, total.majors.queueSumDev);
    splitStdDev = stddev(historical.splits.num, historical.splits.elapsed, historical.splits.sumDev);
   
    doDetailTable(req, sb, address, tsStats.size(), total, historical);
    doAllTimeTable(req, sb, total, historical, majorQueueStdDev, minorQueueStdDev, totalElapsedForAll, splitStdDev, majorStdDev, minorStdDev);
    doCurrentTabletOps(req, sb, currentMinorAvg, currentMinorStdDev, currentMajorAvg, currentMajorStdDev);
    perTabletResults.generate(req, sb);
  }
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    perTabletResults.generate(req, sb);
  }
 
  private void doCurrentTabletOps(HttpServletRequest req, StringBuilder sb, double currentMinorAvg, double currentMinorStdDev, double currentMajorAvg,
      double currentMajorStdDev) {
    Table currentTabletOps = new Table("currentTabletOps", "Current&nbsp;Tablet&nbsp;Operation&nbsp;Results");
    currentTabletOps.addSortableColumn("Minor&nbsp;Average", new SecondType(), null);
    currentTabletOps.addSortableColumn("Minor&nbsp;Std&nbsp;Dev", new SecondType(), null);
    currentTabletOps.addSortableColumn("Major&nbsp;Avg", new SecondType(), null);
    currentTabletOps.addSortableColumn("Major&nbsp;Std&nbsp;Dev", new SecondType(), null);
    currentTabletOps.addRow(currentMinorAvg, currentMinorStdDev, currentMajorAvg, currentMajorStdDev);
    currentTabletOps.generate(req, sb);
  }
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  }
 
  private void doAllTimeTable(HttpServletRequest req, StringBuilder sb, TabletStats total, TabletStats historical, double majorQueueStdDev,
      double minorQueueStdDev, double totalElapsedForAll, double splitStdDev, double majorStdDev, double minorStdDev) {
   
    Table opHistoryDetails = new Table("opHistoryDetails", "All-Time&nbsp;Tablet&nbsp;Operation&nbsp;Results");
    opHistoryDetails.addSortableColumn("Operation");
    opHistoryDetails.addSortableColumn("Success", new NumberType<Integer>(), null);
    opHistoryDetails.addSortableColumn("Failure", new NumberType<Integer>(), null);
    opHistoryDetails.addSortableColumn("Average<br />Queue&nbsp;Time", new SecondType(), null);
    opHistoryDetails.addSortableColumn("Std.&nbsp;Dev.<br />Queue&nbsp;Time", new SecondType(), null);
    opHistoryDetails.addSortableColumn("Average<br />Time", new SecondType(), null);
    opHistoryDetails.addSortableColumn("Std.&nbsp;Dev.<br />Time", new SecondType(), null);
    opHistoryDetails.addSortableColumn("Percentage&nbsp;Time&nbsp;Spent", new ProgressChartType(totalElapsedForAll), null);
   
    opHistoryDetails.addRow("Split", historical.splits.num, historical.splits.fail, null, null,
        historical.splits.num != 0 ? (historical.splits.elapsed / historical.splits.num) : null, splitStdDev, historical.splits.elapsed);
    opHistoryDetails.addRow("Major&nbsp;Compaction", total.majors.num, total.majors.fail, total.majors.num != 0 ? (total.majors.queueTime / total.majors.num)
        : null, majorQueueStdDev, total.majors.num != 0 ? (total.majors.elapsed / total.majors.num) : null, majorStdDev, total.majors.elapsed);
    opHistoryDetails.addRow("Minor&nbsp;Compaction", total.minors.num, total.minors.fail, total.minors.num != 0 ? (total.minors.queueTime / total.minors.num)
        : null, minorQueueStdDev, total.minors.num != 0 ? (total.minors.elapsed / total.minors.num) : null, minorStdDev, total.minors.elapsed);
    opHistoryDetails.generate(req, sb);
  }
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        : null, minorQueueStdDev, total.minors.num != 0 ? (total.minors.elapsed / total.minors.num) : null, minorStdDev, total.minors.elapsed);
    opHistoryDetails.generate(req, sb);
  }
 
  private void doDetailTable(HttpServletRequest req, StringBuilder sb, HostAndPort address, int numTablets, TabletStats total, TabletStats historical) {
    Table detailTable = new Table("tServerDetail", "Details");
    detailTable.setSubCaption(address.getHostText() + ":" + address.getPort());
    detailTable.addSortableColumn("Hosted&nbsp;Tablets", new NumberType<Integer>(), null);
    detailTable.addSortableColumn("Entries", new NumberType<Long>(), null);
    detailTable.addSortableColumn("Minor&nbsp;Compacting", new NumberType<Integer>(), null);
    detailTable.addSortableColumn("Major&nbsp;Compacting", new NumberType<Integer>(), null);
    detailTable.addSortableColumn("Splitting", new NumberType<Integer>(), null);
    detailTable.addRow(numTablets, total.numEntries, total.minors.status, total.majors.status, historical.splits.status);
    detailTable.generate(req, sb);
  }
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    return 0;
  }
 
  private void doBadTserverList(HttpServletRequest req, StringBuilder sb) {
    if (Monitor.getMmi() != null && !Monitor.getMmi().badTServers.isEmpty()) {
      Table badTServerList = new Table("badtservers", "Non-Functioning&nbsp;Tablet&nbsp;Servers", "error");
      badTServerList.setSubCaption("The following tablet servers reported a status other than Online.");
      badTServerList.addSortableColumn("Tablet&nbsp;Server");
      badTServerList.addSortableColumn("Tablet&nbsp;Server&nbsp;Status");
      for (Entry<String,Byte> badserver : Monitor.getMmi().badTServers.entrySet())
        badTServerList.addRow(badserver.getKey(), TabletServerState.getStateById(badserver.getValue()).name());
      badTServerList.generate(req, sb);
    }
  }
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  private void doDeadTserverList(HttpServletRequest req, StringBuilder sb) {
    MasterMonitorInfo mmi = Monitor.getMmi();
    if (mmi != null) {
      List<DeadServer> obit = mmi.deadTabletServers;
      Table deadTServerList = new Table("deaddtservers", "Dead&nbsp;Tablet&nbsp;Servers", "error");
      deadTServerList.setSubCaption("The following tablet servers are no longer reachable.");
      doDeadServerTable(req, sb, deadTServerList, obit);
    }
  }
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  }

  @Override
  protected void pageBody(HttpServletRequest req, HttpServletResponse response, StringBuilder sb) throws IOException {
    Map<String,ScanStats> scans = Monitor.getScans();
    Table scanTable = new Table("scanStatus", "Scan&nbsp;Status");
    scanTable.addSortableColumn("Server", new TServerLinkType(), null);
    scanTable.addSortableColumn("#", new PreciseNumberType(0, 20, 0, 100), "Number of scans presently running");
    scanTable.addSortableColumn("Oldest&nbsp;Age", new DurationType(0l, 5 * 60 * 1000l), "The age of the oldest scan on this server.");
    for (TabletServerStatus tserverInfo : Monitor.getMmi().getTServerInfo()) {
      ScanStats stats = scans.get(tserverInfo.name);
      long count = 0;
      long oldest = 0;
      if (stats != null) {
        count = stats.scans.size();
        for (ActiveScan scan : stats.scans) {
          oldest = Math.max(scan.age, oldest);
        }
      }
      TableRow row = scanTable.prepareRow();
      row.add(tserverInfo);
      row.add(count);
      row.add(oldest);
      scanTable.addRow(row);
    }
    scanTable.generate(req, sb);
  }
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      for (DeadServer down : Monitor.getMmi().deadTabletServers) {
        slaves.add(down.server);
      }
      List<String> masters = Monitor.getInstance().getMasterLocations();
     
      Table masterStatus = new Table("masterStatus", "Master&nbsp;Status");
      masterStatus.addSortableColumn("Master", new StringType<String>(), "The hostname of the master server");
      masterStatus.addSortableColumn("#&nbsp;Online<br />Tablet&nbsp;Servers", new PreciseNumberType((int) (slaves.size() * 0.8 + 1.0), slaves.size(),
          (int) (slaves.size() * 0.6 + 1.0), slaves.size()), "Number of tablet servers currently available");
      masterStatus.addSortableColumn("#&nbsp;Total<br />Tablet&nbsp;Servers", new PreciseNumberType(), "The total number of tablet servers configured");
      masterStatus.addSortableColumn("Last&nbsp;GC", null, "The last time files were cleaned-up from HDFS.");
      masterStatus.addSortableColumn("#&nbsp;Tablets", new NumberType<Integer>(0, Integer.MAX_VALUE, 2, Integer.MAX_VALUE), null);
      masterStatus.addSortableColumn("#&nbsp;Unassigned<br />Tablets", new NumberType<Integer>(0, 0), null);
      masterStatus.addSortableColumn("Entries", new NumberType<Long>(), "The total number of key/value pairs in Accumulo");
      masterStatus.addSortableColumn("Ingest", new NumberType<Long>(), "The number of Key/Value pairs inserted, per second. "
          + " Note that deleted records are \"inserted\" and will make the ingest " + "rate increase in the near-term.");
      masterStatus.addSortableColumn("Entries<br />Read", new NumberType<Long>(),
          "The total number of Key/Value pairs read on the server side.  Not all may be returned because of filtering.");
      masterStatus.addSortableColumn("Entries<br />Returned", new NumberType<Long>(), "The total number of Key/Value pairs returned as a result of scans.");
      masterStatus.addSortableColumn("Hold&nbsp;Time", new DurationType(0l, 0l), "The maximum amount of time that ingest has been held "
          + "across all servers due to a lack of memory to store the records");
      masterStatus.addSortableColumn("OS&nbsp;Load", new NumberType<Double>(0., guessHighLoad * 1., 0., guessHighLoad * 3.),
          "The one-minute load average on the computer that runs the monitor web server.");
      TableRow row = masterStatus.prepareRow();
      row.add(masters.size() == 0 ? "<div class='error'>Down</div>" : AddressUtil.parseAddress(masters.get(0), false).getHostText());
      row.add(Monitor.getMmi().tServerInfo.size());
      row.add(slaves.size());
      row.add("<a href='/gc'>" + gcStatus + "</a>");
      row.add(Monitor.getTotalTabletCount());
      row.add(Monitor.getMmi().unassignedTablets);
      row.add(Monitor.getTotalEntries());
      row.add(Math.round(Monitor.getTotalIngestRate()));
      row.add(Math.round(Monitor.getTotalScanRate()));
      row.add(Math.round(Monitor.getTotalQueryRate()));
      row.add(Monitor.getTotalHoldTime());
      row.add(ManagementFactory.getOperatingSystemMXBean().getSystemLoadAverage());
      masterStatus.addRow(row);
      masterStatus.generate(req, sb);
     
    } else
      banner(sb, "error", "Master Server Not Running");
  }
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  }
 
  private void doRecoveryList(HttpServletRequest req, StringBuilder sb) {
    MasterMonitorInfo mmi = Monitor.getMmi();
    if (mmi != null) {
      Table recoveryTable = new Table("logRecovery", "Log&nbsp;Recovery");
      recoveryTable.setSubCaption("Some tablets were unloaded in an unsafe manner. Write-ahead logs are being recovered.");
      recoveryTable.addSortableColumn("Server");
      recoveryTable.addSortableColumn("Log");
      recoveryTable.addSortableColumn("Time", new DurationType(), null);
      recoveryTable.addSortableColumn("Copy/Sort", new ProgressChartType(), null);
      int rows = 0;
      for (TabletServerStatus server : mmi.tServerInfo) {
        if (server.logSorts != null) {
          for (RecoveryStatus recovery : server.logSorts) {
            TableRow row = recoveryTable.prepareRow();
            row.add(AddressUtil.parseAddress(server.name, false).getHostText());
            row.add(recovery.name);
            row.add((long) recovery.runtime);
            row.add(recovery.progress);
            recoveryTable.addRow(row);
            rows++;
          }
        }
      }
      if (rows > 0)
        recoveryTable.generate(req, sb);
    }
  }
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      if (stats == null) {
        summary.put(span.description, stats = new Stats());
      }
      stats.addSpan(span);
    }
    Table trace = new Table("traceSummary", "All Traces");
    trace.addSortableColumn("Type", new ShowTypeLink(minutes), "Trace Type");
    trace.addSortableColumn("Total", new NumberType<Integer>(), "Number of spans of this type");
    trace.addSortableColumn("min", new DurationType(), "Shortest span duration");
    trace.addSortableColumn("max", new DurationType(), "Longest span duration");
    trace.addSortableColumn("avg", new DurationType(), "Average span duration");
    trace
        .addSortableColumn(
            "Histogram",
            new HistogramType(),
            "Counts of spans of different duration. Columns start at milliseconds, and each column is ten times longer: tens of milliseconds, seconds, tens of seconds, etc.");
   
    for (Entry<String,Stats> entry : summary.entrySet()) {
      Stats stat = entry.getValue();
      trace.addRow(entry.getKey(), stat.count, stat.min, stat.max, stat.average(), stat);
    }
    trace.generate(req, sb);
  }
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Related Classes of org.apache.accumulo.monitor.util.Table

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  • org.apache.accumulo.monitor.servlets.ProblemServlet
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  • org.apache.accumulo.monitor.servlets.trace.ListType
  • org.apache.accumulo.monitor.servlets.trace.Summary
  • org.apache.accumulo.monitor.servlets.TServersServlet
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