hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.dust.html

<div class="page-header">
  {#nnstat}
  <h1>NameNode '{HostAndPort}' ({State})</h1>
  {/nnstat}
</div>

{#nn}
{@if cond="{DistinctVersionCount} > 1"}
<div class="alert alert-dismissable alert-success">
  <button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button>

  There are {DistinctVersionCount} versions of datanodes currently live: 
  {#DistinctVersions}
  {key} ({value}) {@sep},{/sep}
  {/DistinctVersions}
</div>
{/if}

{@if cond="{NumberOfMissingBlocks} > 0"}
<div class="alert alert-dismissable alert-warning">
  <button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button>

  <p>There are {NumberOfMissingBlocks} missing blocks. The following files may be corrupted:</p>
  <br/>
  <div class="well">
    {#CorruptFiles}
    {.}<br/>
    {/CorruptFiles}
  </div>
  <p>Please check the logs or run fsck in order to identify the missing blocks. See the Hadoop FAQ for common causes and potential solutions.</p>
</div>
{/if}
{/nn}

<div class="panel panel-primary">
  <div class="panel-heading">Overview</div>
  <div class="panel-body">
    {#nn}
    <table class="table table-bordered">
      <tr><th>Started:</th><td>{NNStarted}</td></tr>
      <tr><th>Version:</th><td>{Version}</td></tr>
      <tr><th>Compiled:</th><td>{CompileInfo}</td></tr>
      <tr><th>Cluster ID:</th><td>{ClusterId}</td></tr>
      <tr><th>Block Pool ID:</th><td>{BlockPoolId}</td></tr>
    </table>
    {/nn}
  </div>
</div>

<a id="browse-dir-first" style="cursor:pointer">Browse the filesystem</a>  <a href="/logs/">NameNode Logs</a>

<hr/>

<div class="panel panel-primary">
  <div class="panel-heading">Cluster Summary</div>
  <div class="panel-body">

    <p>
      Security is {#nnstat}{#SecurityModeEnabled}on{:else}off{/SecurityModeEnabled}{/nnstat}.</p>
    <p>{#nn}{#Safemode}{.}{:else}Safemode is off.{/Safemode}{/nn}</p>

    <p>
      {#fs}
      {TotalLoad} files and directories, {BlocksTotal} blocks = {FilesTotal} total filesystem object(s).
      {#helper_fs_max_objects/}
      {/fs}
    </p>
    {#mem.HeapMemoryUsage}
    <p>Heap Memory used {used|fmt_bytes} of {committed|fmt_bytes} Heap Memory. Max Heap Memory is {max|fmt_bytes}. </p>
    {/mem.HeapMemoryUsage}

    {#mem.NonHeapMemoryUsage}
    <p>Non Heap Memory used {used|fmt_bytes} of {committed|fmt_bytes} Commited Non Heap Memory. Max Non Heap Memory is {max|fmt_bytes}. </p>
    {/mem.NonHeapMemoryUsage}

    {#nn}
    <table class="table table-bordered table-striped">
      <tr><th> Configured Capacity:</th><td>{Total|fmt_bytes}</td></tr>
      <tr><th> DFS Used:</th><td>{Used|fmt_bytes}</td></tr>
      <tr><th> Non DFS Used:</th><td>{NonDfsUsedSpace|fmt_bytes}</td></tr>
      <tr><th> DFS Remaining:</th><td>{Free|fmt_bytes}</td></tr>
      <tr><th> DFS Used%:</th><td>{PercentUsed|fmt_percentage}</td></tr>
      <tr><th> DFS Remaining%:</th><td>{PercentRemaining|fmt_percentage}</td></tr>
      <tr><th> Block Pool Used:</th><td>{BlockPoolUsedSpace|fmt_bytes}</td></tr>
      <tr><th> Block Pool Used%:</th><td>{PercentBlockPoolUsed|fmt_percentage}</td></tr>
      <tr><th> DataNodes usages% (Min/Median/Max/stdDev): </th>
	<td>{#NodeUsage.nodeUsage}{min} / {median} / {max} / {stdDev}{/NodeUsage.nodeUsage}</td></tr>
      {/nn}

      {#fs}
      <tr><th><a href="#nodelist-operation">Live Nodes</a></th><td>{NumLiveDataNodes} (Decommissioned: {NumDecomLiveDataNodes})</td></tr>
      <tr><th><a href="#nodelist-operation">Dead Nodes</a></th><td>{NumDeadDataNodes} (Decommissioned: {NumDecomDeadDataNodes})</td></tr>
      <tr><th><a href="#nodelist-decom">Decommissioning Nodes</a></th><td>{NumDecommissioningDataNodes}</td></tr>
      <tr><th title="Excludes missing blocks.">Number of Under-Replicated Blocks</th><td>{UnderReplicatedBlocks}</td></tr>
      {/fs}
    </table>
  </div>
</div>

<hr/>
<div class="panel panel-primary">
  <div class="panel-heading">NameNode Journal Status</div>
  <div class="panel-body">
    <p><b>Current transaction ID:</b> {nn.JournalTransactionInfo.LastAppliedOrWrittenTxId}</p>
    <table class="table" title="NameNode Journals">
      <thead>
	<tr><th>Journal Manager</th><th>State</th></tr>
      </thead>
      <tbody>
	{#nn.NameJournalStatus}
	<tr><td>{manager}</td><td>{stream}</td></tr>
	{/nn.NameJournalStatus}
      </tbody>
    </table>
  </div>
</div>

<hr/>
<div class="panel panel-primary">
  <div class="panel-heading">NameNode Storage</div>
  <div class="panel-body">
    <table class="table" title="NameNode Storage">
      <thead><tr><td><b>Storage Directory</b></td><td><b>Type</b></td><td><b>State</b></td></tr></thead>
      {#nn.NameDirStatuses}
      {#active}{#helper_dir_status type="Active"/}{/active}
      {#failed}{#helper_dir_status type="Failed"/}{/failed}
      {/nn.NameDirStatuses}
    </table>
  </div>
</div>
<hr/>

<div class="panel panel-primary">
  <div class="panel-heading">Snapshot Summary</div>
  <div class="panel-body">
    {#fs.SnapshotStats}
    <table class="table" title="Snapshot Summary">
      <thead><tr><td><b>Snapshottable directories</b></td>
	  <td><b>Snapshotted directories</b></td></tr>
      </thead>
      <tbody>
	<tr>
	  <td>{SnapshottableDirectories}</td>
	  <td>{Snapshots}</td>
	</tr>
      </tbody>
    </table>
    {/fs.SnapshotStats}
  </div>
</div>
<hr/>

{#startup}
<div class="panel panel-primary">
  <div class="panel-heading">Startup Progress</div>
  <div class="panel-body">
    <p>Elapsed Time: {elapsedTime|fmt_time}, Percent Complete: {percentComplete|fmt_percentage}</p>
    <table class="table">
      <thead>
	<tr>
	  <th>Phase</th>
	  <th>Completion</th>
	  <th>Elapsed Time</th>
	</tr>
      </thead>
      <tbody>
	{#phases}
	<tr class="phase">
	  <td class="startupdesc">{desc} {file} {size|fmt_bytes}</td>
	  <td>{percentComplete|fmt_percentage}</td>
	  <td>{elapsedTime|fmt_time}</td>
	</tr>
	{#steps root_file=file}
	<tr class="step">
	  <td class="startupdesc">{stepDesc} {stepFile} {stepSize|fmt_bytes} ({count}/{total})</td>
	  <td>{percentComplete|fmt_percentage}</td>
	  <td></td>
	</tr>
	{/steps}
	{/phases}
    </table>
  </div>
</div>
{/startup}

<hr/>
<div class="panel panel-primary">
  <div class="panel-heading">Datanode Information</div>
  <div class="panel-body">
    <div class="panel panel-default" id="nodelist-operation">
      <div class="panel-heading">Nodes in operation</div>
      <div class="panel-body">
        <table class="table">
          <thead>
            <tr>
              <th>Node</th>
              <th>Last contact</th>
              <th>Admin State</th>
              <th>Capacity</th>
              <th>Used</th>
              <th>Non DFS Used</th>
              <th>Remaining</th>
              <th>Blocks</th>
              <th>Block pool used</th>
              <th>Failed Volumes</th>
            </tr>
          </thead>
          {#nn.LiveNodes}
          <tr>
            <td><a class="browse-dir-links" info-http-addr="{infoAddr}" info-https-addr="{infoSecureAddr}">{name}</a> ({xferaddr})</td>
            <td>{lastContact}</td>
            <td>{adminState}</td>
            <td>{capacity|fmt_bytes}</td>
            <td>{used|fmt_bytes}</td>
            <td>{nonDfsUsedSpace|fmt_bytes}</td>
            <td>{remaining|fmt_bytes}</td>
            <td>{numBlocks}</td>
            <td>{blockPoolUsed|fmt_bytes} ({blockPoolUsedPercent|fmt_percentage})</td>
            <td>{volfails}</td>
          </tr>
          {/nn.LiveNodes}
          {#nn.DeadNodes}
          <tr class="danger">
            <td>{name} ({xferaddr})</td>
            <td>{lastContact}</td>
            <td>Dead{?decomissioned}, Decomissioned{/decomissioned}</td>
            <td>-</td>
            <td>-</td>
            <td>-</td>
            <td>-</td>
            <td>-</td>
            <td>-</td>
            <td>-</td>
          </tr>
          {/nn.DeadNodes}
        </table>
      </div>
    </div>
    <div class="panel panel-default" id="nodelist-decom">
      <div class="panel-heading">Nodes being decomissioned</div>
      <div class="panel-body">
        <table class="table">
          <thead>
            <tr>
              <th>Node</th>
              <th>Last contact</th>
              <th>Under replicated blocks</th>
              <th>Blocks with no live replicas</th>
              <th>Under Replicated Blocks <br/>In files under construction</th>
            </tr>
          </thead>
          {#nn.DecomNodes}
          <tr>
            <td>{name} ({xferaddr})</td>
            <td>{lastContact}</td>
            <td>{underReplicatedBlocks}</td>
            <td>{decommissionOnlyReplicas}</td>
	    <td>{underReplicateInOpenFiles}</td>
	  </tr>
	  {/nn.DecomNodes}
	</table>
      </div>
    </div>
  </div>
</div>