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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<link rel="stylesheet" type="text/css" href="/static/bootstrap-3.0.2/css/bootstrap.min.css" />
<link rel="stylesheet" type="text/css" href="/static/hadoop.css" />
<title>Namenode information</title>
</head>
<body>
<header class="navbar navbar-inverse bs-docs-nav" role="banner">
<div class="container">
<div class="navbar-header">
<a href="http://hadoop.apache.org/core" class="navbar-brand">Hadoop</a>
</div>
<ul class="nav navbar-nav" id="ui-tabs">
<li><a href="#tab-overview">Overview</a></li>
<li><a href="#tab-datanode">Datanodes</a></li>
<li><a href="#tab-snapshot">Snapshot</a></li>
<li><a href="#tab-startup-progress">Startup Progress</a></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Utilities <b class="caret"></b></a>
<ul class="dropdown-menu">
<li><a href="explorer.html">Browse the file system</a></li>
<li><a href="logs">Logs</a></li>
</ul>
</li>
</ul>
</div>
</header>
<div class="container">
<div id="alert-panel">
<div class="alert alert-danger">
<button type="button" class="close" onclick="$('#alert-panel').hide();">&times;</button>
<div class="alert-body" id="alert-panel-body"></div>
</div>
</div>
<div class="tab-content">
<div class="tab-pane" id="tab-overview"></div>
<div class="tab-pane" id="tab-datanode"></div>
<div class="tab-pane" id="tab-snapshot"></div>
<div class="tab-pane" id="tab-startup-progress"></div>
</div>
<div class="row">
<hr />
<div class="col-xs-2"><p><a href="http://hadoop.apache.org/core">Hadoop</a>, 2014.</p></div>
<div class="col-xs-1 pull-right"><a style="color: #ddd" href="dfshealth.jsp">Legacy UI</a></div>
</div>
</div>
<script type="text/x-dust-template" id="tmpl-dfshealth">
{#nn}
{@if cond="{DistinctVersionCount} > 1"}
<div class="alert alert-dismissable alert-info">
<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="page-header"><h1>Overview {#nnstat}<small>'{HostAndPort}' ({State})</small>{/nnstat}</h1></div>
{#nn}
<table class="table table-bordered table-striped">
<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 class="page-header"><h1>Summary</h1></div>
<p>
Security is {#nnstat}{#SecurityEnabled}on{:else}off{/SecurityEnabled}{/nnstat}.</p>
<p>{#nn}{#Safemode}{.}{:else}Safemode is off.{/Safemode}{/nn}</p>
<p>
{#fs}
{FilesTotal} files and directories, {BlocksTotal} blocks = {@math key="{FilesTotal}" method="add" operand="{BlocksTotal}"/} 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="#tab-datanode">Live Nodes</a></th><td>{NumLiveDataNodes} (Decommissioned: {NumDecomLiveDataNodes})</td></tr>
<tr><th><a href="#tab-datanode">Dead Nodes</a></th><td>{NumDeadDataNodes} (Decommissioned: {NumDecomDeadDataNodes})</td></tr>
<tr><th><a href="#tab-datanode">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 class="page-header"><h1>Namenode Journal Status</h1></div>
<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 class="page-header"><h1>NameNode Storage</h1></div>
<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>
</script>
<script type="text/x-dust-template" id="tmpl-snapshot">
<div class="page-header"><h1>Snapshot Summary</h1></div>
<p><b>Snapshottable directories</b>: {SnapshottableDirectories}</p>
<p><b>Snapshotted directories</b>: {Snapshots}</p>
</script>
<script type="text/x-dust-template" id="tmpl-datanode">
<div class="page-header"><h1>Datanode Information</h1></div>
<div class="page-header"><h1><small>In operation</small></h1></div>
<small>
<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>
<th>Version</th>
</tr>
</thead>
{#LiveNodes}
<tr>
<td>{name} ({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>
<td>{version}</td>
</tr>
{/LiveNodes}
{#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>
<td>-</td>
</tr>
{/DeadNodes}
</table>
</small>
<div class="page-header"><h1><small>Decomissioning</small></h1></div>
<small>
<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>
{#DecomNodes}
<tr>
<td>{name} ({xferaddr})</td>
<td>{lastContact}</td>
<td>{underReplicatedBlocks}</td>
<td>{decommissionOnlyReplicas}</td>
<td>{underReplicateInOpenFiles}</td>
</tr>
{/DecomNodes}
</table>
</small>
</script>
<script type="text/x-dust-template" id="tmpl-startup-progress">
<div class="page-header"><h1>Startup Progress</h1></div>
<p>Elapsed Time: {elapsedTime|fmt_time}, Percent Complete: {percentComplete|fmt_percentage}</p>
<table class="table">
<thead>
<tr class="active">
<th>Phase</th>
<th style="text-align:center">Completion</th>
<th style="text-align:center">Elapsed Time</th>
</tr>
</thead>
<tbody>
{#phases}
<tr class="phase">
<td class="startupdesc">{desc} {file} {size|fmt_bytes}</td>
<td style="text-align:center">{percentComplete|fmt_percentage}</td>
<td style="text-align:center">{elapsedTime|fmt_time}</td>
</tr>
{#steps root_file=file}
<tr class="step">
<td class="startupdesc">{stepDesc} {stepFile} {stepSize|fmt_bytes} ({count}/{total})</td>
<td style="text-align:center">{percentComplete|fmt_percentage}</td>
<td></td>
</tr>
{/steps}
{/phases}
</tbody>
</table>
</script>
<script type="text/javascript" src="/static/jquery-1.10.2.min.js">
</script><script type="text/javascript" src="/static/bootstrap-3.0.2/js/bootstrap.min.js">
</script><script type="text/javascript" src="/static/dust-full-2.0.0.min.js">
</script><script type="text/javascript" src="/static/dust-helpers-1.1.1.min.js">
</script><script type="text/javascript" src="dfs-dust.js">
</script><script type="text/javascript" src="dfshealth.js">
</script>
</body>
</html>

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