HDFS-5334. Implement dfshealth.jsp in HTML pages. Contributed by Haohui Mai.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1532949 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jing Zhao 2013-10-17 01:31:33 +00:00
parent 76c49b6e95
commit 909ab360c0
8 changed files with 596 additions and 1 deletions

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@ -255,7 +255,9 @@ Release 2.3.0 - UNRELEASED
HDFS-5342. Provide more information in the FSNamesystem JMX interfaces. HDFS-5342. Provide more information in the FSNamesystem JMX interfaces.
(Haohui Mai via jing9) (Haohui Mai via jing9)
HDFS-5334. Implement dfshealth.jsp in HTML pages. (Haohui Mai via jing9)
IMPROVEMENTS IMPROVEMENTS
HDFS-5267. Remove volatile from LightWeightHashSet. (Junping Du via llu) HDFS-5267. Remove volatile from LightWeightHashSet. (Junping Du via llu)

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@ -542,6 +542,9 @@ http://maven.apache.org/xsd/maven-4.0.0.xsd">
<exclude>src/main/docs/releasenotes.html</exclude> <exclude>src/main/docs/releasenotes.html</exclude>
<exclude>src/contrib/**</exclude> <exclude>src/contrib/**</exclude>
<exclude>src/site/resources/images/*</exclude> <exclude>src/site/resources/images/*</exclude>
<exclude>src/main/webapps/static/dust-full-2.0.0.min.js</exclude>
<exclude>src/main/webapps/static/dust-helpers-1.1.1.min.js</exclude>
<exclude>src/main/webapps/hdfs/dfshealth.dust.html</exclude>
</excludes> </excludes>
</configuration> </configuration>
</plugin> </plugin>

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@ -0,0 +1,116 @@
/**
* 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.
*/
(function ($, dust, exports) {
"use strict";
var filters = {
'fmt_bytes': function (v) {
var UNITS = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'ZB'];
var prev = 0, i = 0;
while (Math.floor(v) > 0 && i < UNITS.length) {
prev = v;
v /= 1024;
i += 1;
}
if (i > 0 && i < UNITS.length) {
v = prev;
i -= 1;
}
return Math.round(v * 100) / 100 + ' ' + UNITS[i];
},
'fmt_percentage': function (v) {
return Math.round(v * 100) / 100 + '%';
},
'fmt_time': function (v) {
var s = Math.floor(v / 1000), h = Math.floor(s / 3600);
s -= h * 3600;
var m = Math.floor(s / 60);
s -= m * 60;
var res = s + " sec";
if (m !== 0) {
res = m + " mins, " + res;
}
if (h !== 0) {
res = h + " hrs, " + res;
}
return res;
}
};
$.extend(dust.filters, filters);
/**
* Load templates from external sources in sequential orders, and
* compile them. The loading order is important to resolve dependency.
*
* The code compile the templates on the client sides, which should be
* precompiled once we introduce the infrastructure in the building
* system.
*
* templates is an array of tuples in the format of {url, name}.
*/
function load_templates(dust, templates, success_cb, error_cb) {
if (templates.length === 0) {
success_cb();
return;
}
var t = templates.shift();
$.get(t.url, function (tmpl) {
var c = dust.compile(tmpl, t.name);
dust.loadSource(c);
load_templates(dust, templates, success_cb, error_cb);
}).error(function (jqxhr, text, err) {
error_cb(t.url, jqxhr, text, err);
});
}
/**
* Load a sequence of JSON.
*
* beans is an array of tuples in the format of {url, name}.
*/
function load_json(beans, success_cb, error_cb) {
var data = {}, error = false, to_be_completed = beans.length;
$.each(beans, function(idx, b) {
if (error) {
return false;
}
$.get(b.url, function (resp) {
data[b.name] = resp;
to_be_completed -= 1;
if (to_be_completed === 0) {
success_cb(data);
}
}).error(function (jqxhr, text, err) {
error = true;
error_cb(b.url, jqxhr, text, err);
});
});
}
exports.load_templates = load_templates;
exports.load_json = load_json;
}($, dust, window));

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@ -0,0 +1,266 @@
<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="dfsnodelist.jsp?whatNodes=LIVE">Live Nodes</a></th><td>{NumLiveDataNodes} (Decommissioned: {NumDecomLiveDataNodes})</td></tr>
<tr><th><a href="dfsnodelist.jsp?whatNodes=DEAD">Dead Nodes</a></th><td>{NumDeadDataNodes} (Decommissioned: {NumDecomDeadDataNodes})</td></tr>
<tr><th><a href="dfsnodelist.jsp?whatNodes=DECOMMISSIONING">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>
>>>>>>> 801ea4f... Fix for dfshealth

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@ -0,0 +1,43 @@
<!--
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.
-->
<!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="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" />
<link rel="stylesheet" type="text/css" href="/static/hadoop.css" />
<title>Namenode information</title>
</head>
<body>
<div class="container">
<div class="alert alert-danger" id="alert-panel" style="display:none">
<button type="button" class="close" onclick="$('#alert-panel').hide();">&times;</button>
<div class="alert-body" id="alert-panel-body"></div>
</div>
<div id="panel"></div>
</div>
<script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jquery/2.0.3/jquery.min.js">
</script><script type="text/javascript" src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/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>
<hr />
<p><a href="http://hadoop.apache.org/core">Hadoop</a>, 2013.</p>
</body>
</html>

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@ -0,0 +1,156 @@
/**
* 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.
*/
(function () {
"use strict";
var data = {};
function generate_browse_dn_link(info_http_addr, info_https_addr) {
var is_https = window.location.protocol === 'https:';
var authority = is_https ? info_https_addr : info_http_addr;
var nn_info_port = window.location.port;
if (nn_info_port === "") {
nn_info_port = is_https ? 443 : 80;
}
var l = '//' + authority + '/browseDirectory.jsp?dir=%2F&namenodeInfoPort=' +
nn_info_port + '&nnaddr=' + data.nnstat.HostAndPort;
return l;
}
function render() {
var helpers = {
'helper_fs_max_objects': function (chunk, ctx, bodies, params) {
var o = ctx.current();
if (o.MaxObjects > 0) {
chunk.write('(' + Math.round((o.FilesTotal + o.BlockTotal) / o.MaxObjects * 100) * 100 + ')%');
}
},
'helper_dir_status': function (chunk, ctx, bodies, params) {
var j = ctx.current();
for (var i in j) {
chunk.write('<tr><td>' + i + '</td><td>' + j[i] + '</td><td>' + params.type + '</td></tr>');
}
}
};
var base = dust.makeBase(helpers);
var TEMPLATES = [ { 'name': 'dfshealth', 'url': 'dfshealth.dust.html' } ];
load_templates(dust, TEMPLATES, function() {
dust.render('dfshealth', base.push(data), function(err, out) {
$('#panel').append(out);
$('#browse-dir-first').click(function () {
var len = data.nn.LiveNodes.length;
if (len < 1) {
show_err_msg('Cannot browse the DFS since there are no live nodes available.');
return false;
}
var dn = data.nn.LiveNodes[Math.floor(Math.random() * len)];
window.location.href = generate_browse_dn_link(dn.infoAddr, dn.infoSecureAddr);
});
$('.browse-dir-links').click(function () {
var http_addr = $(this).attr('info-http-addr'), https_addr = $(this).attr('info-https-addr');
window.location.href = generate_browse_dn_link(http_addr, https_addr);
});
});
}, function () {
show_err_msg('Failed to load the page.');
});
}
var BEANS = [
{"name": "nn", "url": "/jmx?qry=Hadoop:service=NameNode,name=NameNodeInfo"},
{"name": "nnstat", "url": "/jmx?qry=Hadoop:service=NameNode,name=NameNodeStatus"},
{"name": "fs", "url": "/jmx?qry=Hadoop:service=NameNode,name=FSNamesystemState"},
{"name": "mem", "url": "/jmx?qry=java.lang:type=Memory"},
{"name": "startup", "url": "/startupProgress"}
];
// Workarounds for the fact that JMXJsonServlet returns non-standard JSON strings
function data_workaround(d) {
function node_map_to_array(nodes) {
var res = [];
for (var n in nodes) {
var p = nodes[n];
p.name = n;
res.push(p);
}
return res;
}
function startup_progress_workaround(r) {
function rename_property(o, s, d) {
if (o[s] !== undefined) {
o[d] = o[s];
delete o[s];
}
}
r.percentComplete *= 100;
$.each(r.phases, function (idx, p) {
p.percentComplete *= 100;
$.each(p.steps, function (idx2, s) {
s.percentComplete *= 100;
// dust.js is confused by these optional keys in nested
// structure, rename them
rename_property(s, "desc", "stepDesc");
rename_property(s, "file", "stepFile");
rename_property(s, "size", "stepSize");
});
});
return r;
}
d.nn.JournalTransactionInfo = JSON.parse(d.nn.JournalTransactionInfo);
d.nn.NameJournalStatus = JSON.parse(d.nn.NameJournalStatus);
d.nn.NameDirStatuses = JSON.parse(d.nn.NameDirStatuses);
d.nn.NodeUsage = JSON.parse(d.nn.NodeUsage);
d.nn.LiveNodes = node_map_to_array(JSON.parse(d.nn.LiveNodes));
d.nn.DeadNodes = node_map_to_array(JSON.parse(d.nn.DeadNodes));
d.nn.DecomNodes = node_map_to_array(JSON.parse(d.nn.DecomNodes));
d.nn.CorruptFiles = JSON.parse(d.nn.CorruptFiles);
d.fs.SnapshotStats = JSON.parse(d.fs.SnapshotStats);
d.startup = startup_progress_workaround(d.startup);
return d;
}
function show_err_msg(msg) {
$('#alert-panel-body').html(msg);
$('#alert-panel').show();
}
load_json(
BEANS,
function(d) {
for (var k in d) {
data[k] = k === "startup" ? d[k] : d[k].beans[0];
}
data = data_workaround(data);
render();
},
function (url, jqxhr, text, err) {
show_err_msg('<p>Failed to retrieve data from ' + url + ', cause: ' + err + '</p>');
});
})();

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@ -0,0 +1,8 @@
(function(k){function n(b){b=b.f();return"object"===typeof b&&!0===b.h}function p(b,c){return"function"===typeof c?c.toString():c}function l(b,c,d,a,e){a=a||{};var m=d.a,g,f,l=a.d||"";if("undefined"!==typeof a.key)g=k.b.c(a.key,b,c);else if(n(c))g=c.f().i,c.f().g&&(e=function(){return!1});else return h.log("No key specified for filter in:"+l+" helper "),b;f=k.b.c(a.value,b,c);if(e(q(f,a.type,c),q(g,a.type,c))){n(c)&&(c.f().g=!0);if(m)return b.e(m,c);h.log("Missing body block in the "+l+" helper ")}else if(d["else"])return b.e(d["else"],
c);return b}function q(b,c,d){if(b)switch(c||typeof b){case "number":return+b;case "string":return String(b);case "boolean":return Boolean("false"===b?!1:b);case "date":return new Date(b);case "context":return d.get(b)}return b}var h="undefined"!==typeof console?console:{log:function(){}};k.b={tap:function(b,c,d){var a=b;"function"===typeof b&&(!0===b.l?a=b():(a="",c.c(function(b){a+=b;return""}).e(b,d).p(),""===a&&(a=!1)));return a},sep:function(b,c,d){return c.stack.index===c.stack.m-1?b:d.a?d.a(b,
c):b},idx:function(b,c,d){return d.a?d.a(b,c.push(c.stack.index)):b},contextDump:function(b,c,d,a){a=a||{};d=a.o||"output";a=a.key||"current";d=k.b.c(d,b,c);a=k.b.c(a,b,c);c="full"===a?JSON.stringify(c.stack,p,2):JSON.stringify(c.stack.head,p,2);return"console"===d?(h.log(c),b):b.write(c)},"if":function(b,c,d,a){var e=d.a,m=d["else"];if(a&&a.j){a=a.j;a=k.b.c(a,b,c);if(eval(a)){if(e)return b.e(d.a,c);h.log("Missing body block in the if helper!");return b}if(m)return b.e(d["else"],c)}else h.log("No condition given in the if helper!");
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