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mbsamp-vbuckets.html
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mbsamp-vbuckets.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Strict//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>mbsamp</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link type="text/css" rel="stylesheet" href="/static/reset.css"/>
<link type="text/css" rel="stylesheet" href="/static/screen.css"
media="screen, projection"/>
<script language="javascript" type="text/javascript"
src="/static/jquery-1.4.2.min.js"></script>
<style type="text/css">
.stage {
position: relative;
top: 100px;
-webkit-perspective: 800px;
}
.rotate {
-webkit-transform-style: preserve-3d;
-webkit-animation-name: x-wobble;
-webkit-animation-duration: 60s;
-webkit-animation-iteration-count: infinite;
-webkit-animation-timing-function: linear;
}
.ring {
margin: 0 auto;
width: 600px;
-webkit-transform-style: preserve-3d;
-webkit-animation-name: y-spin;
-webkit-animation-duration: 60s;
-webkit-animation-iteration-count: infinite;
-webkit-animation-timing-function: linear;
}
.ring > div:nth-child(odd) {
background-color: #666;
}
.ring > div:nth-child(even) {
background-color: #999;
}
.poster {
position: absolute;
left: 267px;
width: 66px;
height: 5px;
-webkit-border-radius: 5px;
}
.vbucket_column {
float: left;
position: relative;
margin: 10px 0;
}
.vbucket {
position: relative;
width: 1px;
margin: 2px 0px 0px 1px;
background-color: #666;
-webkit-transition: background-color 2s;
}
@-webkit-keyframes x-wobble {
0% { -webkit-transform: rotateX(-3deg); }
50% { -webkit-transform: rotateX(-12deg); }
100% { -webkit-transform: rotateX(-3deg); }
}
@-webkit-keyframes y-spin {
0% { -webkit-transform: rotateY(360deg); }
50% { -webkit-transform: rotateY(180deg); }
100% { -webkit-transform: rotateY(0deg); }
}
.active {
background-color: #0c3;
}
.pending {
background-color: #f33;
}
.replica {
background-color: #cc3;
}
#cycles {
position: absolute;
margin: 10px 10px 10px 10px;
right: 0;
bottom: 0;
color: #ddd;
}
ul.label {
position: absolute;
top: 15px;
background-color: none;
}
ul.label li {
height: 10px;
font-size: 8px;
color: #666;
}
</style>
</head>
<body>
<div class="header">
<a href="/mbsamp.html">mbsamp</a> - membase sampling/profiling tools
[vbuckets]
</div>
<div class="main">
<p class="info">
Initial membase server target:
<span id="target_src">loading...</span>
</p>
<div class="stage">
<div class="rotate">
<div class="ring" id="ring0"></div>
</div>
</div>
<div id="cycles">...</div>
</div>
<script type="text/javascript">
NUM_VBUCKETS = 1024;
RING_RADIUS = 340;
POSTERS_PER_SERVER = 32;
VBUCKET_COLUMNS_PER_POSTER = NUM_VBUCKETS / POSTERS_PER_SERVER;
function vbucket_column(ringId, vbi, numServers,
stateServersVBuckets) {
var vbucketId = "v" + vbi;
var rv = '<div class="vbucket_column ' + vbucketId + '">';
for (var i = 0; i < numServers; i++) {
var serverId = 's' + i;
var c = '';
if (stateServersVBuckets &&
stateServersVBuckets[i]) {
c = ' ' + stateServersVBuckets[i]["vb_" + vbi];
}
rv = rv + '<div id="' + ringId + '_' +
serverId + '_' +
vbucketId + '" ' +
'style="height: 10px;" ' +
'class="vbucket ' +
serverId + ' ' +
serverId + '_' + vbucketId + ' ' +
vbucketId + c + '"></div>';
}
rv = rv + '</div>';
return rv;
}
var vbuckets = {};
function getVbuckets(ringIdServerId) {
if (vbuckets[ringIdServerId] != null) {
return vbuckets[ringIdServerId];
}
var a = vbuckets[ringIdServerId] = [];
for (var i = 0; i < NUM_VBUCKETS; i++) {
a[i] = $('#' + ringIdServerId + '_v' + i);
}
return a;
}
function setup_posters(ringId, servers, stateServersVBuckets) {
var ringEl = document.getElementById(ringId);
var label = document.getElementById(ringId + "_label");
if (label == null) {
label = document.createElement('ul');
label.id = ringId + "_label";
label.className = "label";
ringEl.appendChild(label);
}
label.innerHTML = "<li>" + servers.join("</li><li>") + "</li>";
var posterAngle = 360.0 / POSTERS_PER_SERVER;
for (var i = 0; i < POSTERS_PER_SERVER; i++) {
var posterId = ringId + "_poster" + i;
var poster = document.getElementById(posterId);
if (poster == null) {
poster = document.createElement('div');
poster.id = posterId;
poster.className = 'poster';
var transform = 'rotateY(' + (posterAngle * i) + 'deg) ' +
'translateZ(' + RING_RADIUS + 'px)';
poster.style.webkitTransform = transform;
ringEl.appendChild(poster);
}
var h = '';
for (var j = 0; j < VBUCKET_COLUMNS_PER_POSTER; j++) {
var vbi = (i * VBUCKET_COLUMNS_PER_POSTER) + j;
h = h + vbucket_column(ringId, vbi, servers.length,
stateServersVBuckets);
}
poster.innerHTML = h;
}
vbuckets = {};
}
$(function() {
requestData();
})
var cycles = 0;
function processData(data) {
var servers = [];
var serversMap = {};
var stateServersVBuckets = [];
var targetSrc = data["target_src"];
if (targetSrc != null &&
data["samples"] != null &&
data["samples"]["RestConfigTask"] != null) {
var restConfigs = data["samples"]["RestConfigTask"][targetSrc];
if (restConfigs != null &&
restConfigs.length > 0) {
var nodes = restConfigs[restConfigs.length - 1];
if (nodes != null) {
for (var i = 0; i < nodes.length; i++) {
var node = nodes[i];
var host = node['hostname'].split(':')[0];
if (host != null) {
var server = host + ':' + node['ports']['direct'];
serversMap[server] = servers.length;
servers[servers.length] = server;
}
}
}
}
var x = data.samples["direct-vbucket"];
if (x != null) {
for (var key in x) {
var server = key.split('-')[0];
if (serversMap[server] >= 0) {
var samples = x[key];
if (samples != null &&
samples.length > 0) {
var vbuckets = samples[samples.length - 1];
if (vbuckets != null) {
stateServersVBuckets[serversMap[server]] = vbuckets;
}
}
}
}
}
if (servers.length > 0) {
setup_posters('ring0', servers, stateServersVBuckets);
$('#cycles').html(cycles++);
}
}
setTimeout("requestData()", 1000);
}
function requestData() {
$.ajax({ cache: false,
type: "GET",
url: "/vbuckets.json",
dataType: "json",
error: function(xhr, ajaxOptions, thrownError) {
setTimeout("requestData()", 5000);
},
success: function(data) {
$('#target').html(data.target);
$('#target_src').html(data.target_src)
processData(data);
}
});
}
</script>
</body>
</html>