http://git-wip-us.apache.org/repos/asf/hbase-site/blob/c4b2cc17/apidocs/src-html/org/apache/hadoop/hbase/ServerMetrics.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/ServerMetrics.html b/apidocs/src-html/org/apache/hadoop/hbase/ServerMetrics.html new file mode 100644 index 0000000..0e66fe5 --- /dev/null +++ b/apidocs/src-html/org/apache/hadoop/hbase/ServerMetrics.html @@ -0,0 +1,162 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> +<span class="sourceLineNo">002</span> * Copyright The Apache Software Foundation<a name="line.2"></a> +<span class="sourceLineNo">003</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.3"></a> +<span class="sourceLineNo">004</span> * or more contributor license agreements. See the NOTICE file<a name="line.4"></a> +<span class="sourceLineNo">005</span> * distributed with this work for additional information<a name="line.5"></a> +<span class="sourceLineNo">006</span> * regarding copyright ownership. The ASF licenses this file<a name="line.6"></a> +<span class="sourceLineNo">007</span> * to you under the Apache License, Version 2.0 (the<a name="line.7"></a> +<span class="sourceLineNo">008</span> * "License"); you may not use this file except in compliance<a name="line.8"></a> +<span class="sourceLineNo">009</span> * with the License. You may obtain a copy of the License at<a name="line.9"></a> +<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> +<span class="sourceLineNo">011</span> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a> +<span class="sourceLineNo">012</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a> +<span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a> +<span class="sourceLineNo">014</span> * See the License for the specific language governing permissions and<a name="line.14"></a> +<span class="sourceLineNo">015</span> * limitations under the License.<a name="line.15"></a> +<span class="sourceLineNo">016</span> */<a name="line.16"></a> +<span class="sourceLineNo">017</span><a name="line.17"></a> +<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase;<a name="line.18"></a> +<span class="sourceLineNo">019</span><a name="line.19"></a> +<span class="sourceLineNo">020</span>import edu.umd.cs.findbugs.annotations.Nullable;<a name="line.20"></a> +<span class="sourceLineNo">021</span>import java.util.List;<a name="line.21"></a> +<span class="sourceLineNo">022</span>import java.util.Map;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.replication.ReplicationLoadSink;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.replication.ReplicationLoadSource;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.25"></a> +<span class="sourceLineNo">026</span><a name="line.26"></a> +<span class="sourceLineNo">027</span>/**<a name="line.27"></a> +<span class="sourceLineNo">028</span> * This class is used for exporting current state of load on a RegionServer.<a name="line.28"></a> +<span class="sourceLineNo">029</span> */<a name="line.29"></a> +<span class="sourceLineNo">030</span>@InterfaceAudience.Public<a name="line.30"></a> +<span class="sourceLineNo">031</span>public interface ServerMetrics {<a name="line.31"></a> +<span class="sourceLineNo">032</span><a name="line.32"></a> +<span class="sourceLineNo">033</span> ServerName getServerName();<a name="line.33"></a> +<span class="sourceLineNo">034</span> /**<a name="line.34"></a> +<span class="sourceLineNo">035</span> * @return the number of requests per second.<a name="line.35"></a> +<span class="sourceLineNo">036</span> */<a name="line.36"></a> +<span class="sourceLineNo">037</span> long getRequestCountPerSecond();<a name="line.37"></a> +<span class="sourceLineNo">038</span><a name="line.38"></a> +<span class="sourceLineNo">039</span> /**<a name="line.39"></a> +<span class="sourceLineNo">040</span> * @return total Number of requests from the start of the region server.<a name="line.40"></a> +<span class="sourceLineNo">041</span> */<a name="line.41"></a> +<span class="sourceLineNo">042</span> long getRequestCount();<a name="line.42"></a> +<span class="sourceLineNo">043</span><a name="line.43"></a> +<span class="sourceLineNo">044</span> /**<a name="line.44"></a> +<span class="sourceLineNo">045</span> * @return the amount of used heap<a name="line.45"></a> +<span class="sourceLineNo">046</span> */<a name="line.46"></a> +<span class="sourceLineNo">047</span> Size getUsedHeapSize();<a name="line.47"></a> +<span class="sourceLineNo">048</span><a name="line.48"></a> +<span class="sourceLineNo">049</span> /**<a name="line.49"></a> +<span class="sourceLineNo">050</span> * @return the maximum allowable size of the heap<a name="line.50"></a> +<span class="sourceLineNo">051</span> */<a name="line.51"></a> +<span class="sourceLineNo">052</span> Size getMaxHeapSize();<a name="line.52"></a> +<span class="sourceLineNo">053</span><a name="line.53"></a> +<span class="sourceLineNo">054</span> int getInfoServerPort();<a name="line.54"></a> +<span class="sourceLineNo">055</span><a name="line.55"></a> +<span class="sourceLineNo">056</span> /**<a name="line.56"></a> +<span class="sourceLineNo">057</span> * Call directly from client such as hbase shell<a name="line.57"></a> +<span class="sourceLineNo">058</span> * @return the list of ReplicationLoadSource<a name="line.58"></a> +<span class="sourceLineNo">059</span> */<a name="line.59"></a> +<span class="sourceLineNo">060</span> List<ReplicationLoadSource> getReplicationLoadSourceList();<a name="line.60"></a> +<span class="sourceLineNo">061</span><a name="line.61"></a> +<span class="sourceLineNo">062</span> /**<a name="line.62"></a> +<span class="sourceLineNo">063</span> * Call directly from client such as hbase shell<a name="line.63"></a> +<span class="sourceLineNo">064</span> * @return ReplicationLoadSink<a name="line.64"></a> +<span class="sourceLineNo">065</span> */<a name="line.65"></a> +<span class="sourceLineNo">066</span> @Nullable<a name="line.66"></a> +<span class="sourceLineNo">067</span> ReplicationLoadSink getReplicationLoadSink();<a name="line.67"></a> +<span class="sourceLineNo">068</span><a name="line.68"></a> +<span class="sourceLineNo">069</span> /**<a name="line.69"></a> +<span class="sourceLineNo">070</span> * @return region load metrics<a name="line.70"></a> +<span class="sourceLineNo">071</span> */<a name="line.71"></a> +<span class="sourceLineNo">072</span> Map<byte[], RegionMetrics> getRegionMetrics();<a name="line.72"></a> +<span class="sourceLineNo">073</span><a name="line.73"></a> +<span class="sourceLineNo">074</span> /**<a name="line.74"></a> +<span class="sourceLineNo">075</span> * Return the RegionServer-level and Region-level coprocessors<a name="line.75"></a> +<span class="sourceLineNo">076</span> * @return string list of loaded RegionServer-level and Region-level coprocessors<a name="line.76"></a> +<span class="sourceLineNo">077</span> */<a name="line.77"></a> +<span class="sourceLineNo">078</span> List<String> getCoprocessorNames();<a name="line.78"></a> +<span class="sourceLineNo">079</span><a name="line.79"></a> +<span class="sourceLineNo">080</span> /**<a name="line.80"></a> +<span class="sourceLineNo">081</span> * @return the timestamp (server side) of generating this metrics<a name="line.81"></a> +<span class="sourceLineNo">082</span> */<a name="line.82"></a> +<span class="sourceLineNo">083</span> long getReportTimestamp();<a name="line.83"></a> +<span class="sourceLineNo">084</span><a name="line.84"></a> +<span class="sourceLineNo">085</span> /**<a name="line.85"></a> +<span class="sourceLineNo">086</span> * @return the last timestamp (server side) of generating this metrics<a name="line.86"></a> +<span class="sourceLineNo">087</span> */<a name="line.87"></a> +<span class="sourceLineNo">088</span> long getLastReportTimestamp();<a name="line.88"></a> +<span class="sourceLineNo">089</span><a name="line.89"></a> +<span class="sourceLineNo">090</span>}<a name="line.90"></a> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/c4b2cc17/apidocs/src-html/org/apache/hadoop/hbase/Size.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/Size.html b/apidocs/src-html/org/apache/hadoop/hbase/Size.html new file mode 100644 index 0000000..5975512 --- /dev/null +++ b/apidocs/src-html/org/apache/hadoop/hbase/Size.html @@ -0,0 +1,230 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> +<span class="sourceLineNo">002</span> * Copyright The Apache Software Foundation<a name="line.2"></a> +<span class="sourceLineNo">003</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.3"></a> +<span class="sourceLineNo">004</span> * or more contributor license agreements. See the NOTICE file<a name="line.4"></a> +<span class="sourceLineNo">005</span> * distributed with this work for additional information<a name="line.5"></a> +<span class="sourceLineNo">006</span> * regarding copyright ownership. The ASF licenses this file<a name="line.6"></a> +<span class="sourceLineNo">007</span> * to you under the Apache License, Version 2.0 (the<a name="line.7"></a> +<span class="sourceLineNo">008</span> * "License"); you may not use this file except in compliance<a name="line.8"></a> +<span class="sourceLineNo">009</span> * with the License. You may obtain a copy of the License at<a name="line.9"></a> +<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> +<span class="sourceLineNo">011</span> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a> +<span class="sourceLineNo">012</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a> +<span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a> +<span class="sourceLineNo">014</span> * See the License for the specific language governing permissions and<a name="line.14"></a> +<span class="sourceLineNo">015</span> * limitations under the License.<a name="line.15"></a> +<span class="sourceLineNo">016</span> */<a name="line.16"></a> +<span class="sourceLineNo">017</span><a name="line.17"></a> +<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase;<a name="line.18"></a> +<span class="sourceLineNo">019</span><a name="line.19"></a> +<span class="sourceLineNo">020</span>import java.math.BigDecimal;<a name="line.20"></a> +<span class="sourceLineNo">021</span>import java.util.Objects;<a name="line.21"></a> +<span class="sourceLineNo">022</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.22"></a> +<span class="sourceLineNo">023</span><a name="line.23"></a> +<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.shaded.com.google.common.base.Preconditions;<a name="line.24"></a> +<span class="sourceLineNo">025</span><a name="line.25"></a> +<span class="sourceLineNo">026</span>/**<a name="line.26"></a> +<span class="sourceLineNo">027</span> * It is used to represent the size with different units.<a name="line.27"></a> +<span class="sourceLineNo">028</span> * This class doesn't serve for the precise computation.<a name="line.28"></a> +<span class="sourceLineNo">029</span> */<a name="line.29"></a> +<span class="sourceLineNo">030</span>@InterfaceAudience.Public<a name="line.30"></a> +<span class="sourceLineNo">031</span>public final class Size implements Comparable<Size> {<a name="line.31"></a> +<span class="sourceLineNo">032</span> public static final Size ZERO = new Size(0, Unit.KILOBYTE);<a name="line.32"></a> +<span class="sourceLineNo">033</span> private static final BigDecimal SCALE_BASE = BigDecimal.valueOf(1024D);<a name="line.33"></a> +<span class="sourceLineNo">034</span><a name="line.34"></a> +<span class="sourceLineNo">035</span> public enum Unit {<a name="line.35"></a> +<span class="sourceLineNo">036</span> // keep the room to add more units for HBase 10.x<a name="line.36"></a> +<span class="sourceLineNo">037</span> PETABYTE(100, "PB"),<a name="line.37"></a> +<span class="sourceLineNo">038</span> TERABYTE(99, "TB"),<a name="line.38"></a> +<span class="sourceLineNo">039</span> GIGABYTE(98, "GB"),<a name="line.39"></a> +<span class="sourceLineNo">040</span> MEGABYTE(97, "MB"),<a name="line.40"></a> +<span class="sourceLineNo">041</span> KILOBYTE(96, "KB"),<a name="line.41"></a> +<span class="sourceLineNo">042</span> BYTE(95, "B");<a name="line.42"></a> +<span class="sourceLineNo">043</span> private final int orderOfSize;<a name="line.43"></a> +<span class="sourceLineNo">044</span> private final String simpleName;<a name="line.44"></a> +<span class="sourceLineNo">045</span><a name="line.45"></a> +<span class="sourceLineNo">046</span> Unit(int orderOfSize, String simpleName) {<a name="line.46"></a> +<span class="sourceLineNo">047</span> this.orderOfSize = orderOfSize;<a name="line.47"></a> +<span class="sourceLineNo">048</span> this.simpleName = simpleName;<a name="line.48"></a> +<span class="sourceLineNo">049</span> }<a name="line.49"></a> +<span class="sourceLineNo">050</span><a name="line.50"></a> +<span class="sourceLineNo">051</span> public int getOrderOfSize() {<a name="line.51"></a> +<span class="sourceLineNo">052</span> return orderOfSize;<a name="line.52"></a> +<span class="sourceLineNo">053</span> }<a name="line.53"></a> +<span class="sourceLineNo">054</span><a name="line.54"></a> +<span class="sourceLineNo">055</span> public String getSimpleName() {<a name="line.55"></a> +<span class="sourceLineNo">056</span> return simpleName;<a name="line.56"></a> +<span class="sourceLineNo">057</span> }<a name="line.57"></a> +<span class="sourceLineNo">058</span> }<a name="line.58"></a> +<span class="sourceLineNo">059</span><a name="line.59"></a> +<span class="sourceLineNo">060</span> private final double value;<a name="line.60"></a> +<span class="sourceLineNo">061</span> private final Unit unit;<a name="line.61"></a> +<span class="sourceLineNo">062</span><a name="line.62"></a> +<span class="sourceLineNo">063</span> public Size(double value, Unit unit) {<a name="line.63"></a> +<span class="sourceLineNo">064</span> if (value < 0) {<a name="line.64"></a> +<span class="sourceLineNo">065</span> throw new IllegalArgumentException("The value:" + value + " can't be negative");<a name="line.65"></a> +<span class="sourceLineNo">066</span> }<a name="line.66"></a> +<span class="sourceLineNo">067</span> this.value = value;<a name="line.67"></a> +<span class="sourceLineNo">068</span> this.unit = Preconditions.checkNotNull(unit);<a name="line.68"></a> +<span class="sourceLineNo">069</span> }<a name="line.69"></a> +<span class="sourceLineNo">070</span><a name="line.70"></a> +<span class="sourceLineNo">071</span> /**<a name="line.71"></a> +<span class="sourceLineNo">072</span> * @return size unit<a name="line.72"></a> +<span class="sourceLineNo">073</span> */<a name="line.73"></a> +<span class="sourceLineNo">074</span> public Unit getUnit() {<a name="line.74"></a> +<span class="sourceLineNo">075</span> return unit;<a name="line.75"></a> +<span class="sourceLineNo">076</span> }<a name="line.76"></a> +<span class="sourceLineNo">077</span><a name="line.77"></a> +<span class="sourceLineNo">078</span> /**<a name="line.78"></a> +<span class="sourceLineNo">079</span> * get the value<a name="line.79"></a> +<span class="sourceLineNo">080</span> */<a name="line.80"></a> +<span class="sourceLineNo">081</span> public long getLongValue() {<a name="line.81"></a> +<span class="sourceLineNo">082</span> return (long) value;<a name="line.82"></a> +<span class="sourceLineNo">083</span> }<a name="line.83"></a> +<span class="sourceLineNo">084</span><a name="line.84"></a> +<span class="sourceLineNo">085</span> /**<a name="line.85"></a> +<span class="sourceLineNo">086</span> * get the value<a name="line.86"></a> +<span class="sourceLineNo">087</span> */<a name="line.87"></a> +<span class="sourceLineNo">088</span> public double get() {<a name="line.88"></a> +<span class="sourceLineNo">089</span> return value;<a name="line.89"></a> +<span class="sourceLineNo">090</span> }<a name="line.90"></a> +<span class="sourceLineNo">091</span><a name="line.91"></a> +<span class="sourceLineNo">092</span> /**<a name="line.92"></a> +<span class="sourceLineNo">093</span> * get the value which is converted to specified unit.<a name="line.93"></a> +<span class="sourceLineNo">094</span> *<a name="line.94"></a> +<span class="sourceLineNo">095</span> * @param unit size unit<a name="line.95"></a> +<span class="sourceLineNo">096</span> * @return the converted value<a name="line.96"></a> +<span class="sourceLineNo">097</span> */<a name="line.97"></a> +<span class="sourceLineNo">098</span> public double get(Unit unit) {<a name="line.98"></a> +<span class="sourceLineNo">099</span> if (value == 0) {<a name="line.99"></a> +<span class="sourceLineNo">100</span> return value;<a name="line.100"></a> +<span class="sourceLineNo">101</span> }<a name="line.101"></a> +<span class="sourceLineNo">102</span> int diff = this.unit.getOrderOfSize() - unit.getOrderOfSize();<a name="line.102"></a> +<span class="sourceLineNo">103</span> if (diff == 0) {<a name="line.103"></a> +<span class="sourceLineNo">104</span> return value;<a name="line.104"></a> +<span class="sourceLineNo">105</span> }<a name="line.105"></a> +<span class="sourceLineNo">106</span><a name="line.106"></a> +<span class="sourceLineNo">107</span> BigDecimal rval = BigDecimal.valueOf(value);<a name="line.107"></a> +<span class="sourceLineNo">108</span> for (int i = 0; i != Math.abs(diff); ++i) {<a name="line.108"></a> +<span class="sourceLineNo">109</span> rval = diff > 0 ? rval.multiply(SCALE_BASE) : rval.divide(SCALE_BASE);<a name="line.109"></a> +<span class="sourceLineNo">110</span> }<a name="line.110"></a> +<span class="sourceLineNo">111</span> return rval.doubleValue();<a name="line.111"></a> +<span class="sourceLineNo">112</span> }<a name="line.112"></a> +<span class="sourceLineNo">113</span><a name="line.113"></a> +<span class="sourceLineNo">114</span> @Override<a name="line.114"></a> +<span class="sourceLineNo">115</span> public int compareTo(Size other) {<a name="line.115"></a> +<span class="sourceLineNo">116</span> int diff = unit.getOrderOfSize() - other.unit.getOrderOfSize();<a name="line.116"></a> +<span class="sourceLineNo">117</span> if (diff == 0) {<a name="line.117"></a> +<span class="sourceLineNo">118</span> return Double.compare(value, other.value);<a name="line.118"></a> +<span class="sourceLineNo">119</span> }<a name="line.119"></a> +<span class="sourceLineNo">120</span><a name="line.120"></a> +<span class="sourceLineNo">121</span> BigDecimal thisValue = BigDecimal.valueOf(value);<a name="line.121"></a> +<span class="sourceLineNo">122</span> BigDecimal otherValue = BigDecimal.valueOf(other.value);<a name="line.122"></a> +<span class="sourceLineNo">123</span> if (diff > 0) {<a name="line.123"></a> +<span class="sourceLineNo">124</span> for (int i = 0; i != Math.abs(diff); ++i) {<a name="line.124"></a> +<span class="sourceLineNo">125</span> thisValue = thisValue.multiply(SCALE_BASE);<a name="line.125"></a> +<span class="sourceLineNo">126</span> }<a name="line.126"></a> +<span class="sourceLineNo">127</span> } else {<a name="line.127"></a> +<span class="sourceLineNo">128</span> for (int i = 0; i != Math.abs(diff); ++i) {<a name="line.128"></a> +<span class="sourceLineNo">129</span> otherValue = otherValue.multiply(SCALE_BASE);<a name="line.129"></a> +<span class="sourceLineNo">130</span> }<a name="line.130"></a> +<span class="sourceLineNo">131</span> }<a name="line.131"></a> +<span class="sourceLineNo">132</span> return thisValue.compareTo(otherValue);<a name="line.132"></a> +<span class="sourceLineNo">133</span> }<a name="line.133"></a> +<span class="sourceLineNo">134</span><a name="line.134"></a> +<span class="sourceLineNo">135</span> @Override<a name="line.135"></a> +<span class="sourceLineNo">136</span> public String toString() {<a name="line.136"></a> +<span class="sourceLineNo">137</span> return value + unit.getSimpleName();<a name="line.137"></a> +<span class="sourceLineNo">138</span> }<a name="line.138"></a> +<span class="sourceLineNo">139</span><a name="line.139"></a> +<span class="sourceLineNo">140</span> @Override<a name="line.140"></a> +<span class="sourceLineNo">141</span> public boolean equals(Object obj) {<a name="line.141"></a> +<span class="sourceLineNo">142</span> if (obj == null) {<a name="line.142"></a> +<span class="sourceLineNo">143</span> return false;<a name="line.143"></a> +<span class="sourceLineNo">144</span> }<a name="line.144"></a> +<span class="sourceLineNo">145</span> if (obj == this) {<a name="line.145"></a> +<span class="sourceLineNo">146</span> return true;<a name="line.146"></a> +<span class="sourceLineNo">147</span> }<a name="line.147"></a> +<span class="sourceLineNo">148</span> if (obj instanceof Size) {<a name="line.148"></a> +<span class="sourceLineNo">149</span> return compareTo((Size)obj) == 0;<a name="line.149"></a> +<span class="sourceLineNo">150</span> }<a name="line.150"></a> +<span class="sourceLineNo">151</span> return false;<a name="line.151"></a> +<span class="sourceLineNo">152</span> }<a name="line.152"></a> +<span class="sourceLineNo">153</span><a name="line.153"></a> +<span class="sourceLineNo">154</span> @Override<a name="line.154"></a> +<span class="sourceLineNo">155</span> public int hashCode() {<a name="line.155"></a> +<span class="sourceLineNo">156</span> return Objects.hash(value, unit);<a name="line.156"></a> +<span class="sourceLineNo">157</span> }<a name="line.157"></a> +<span class="sourceLineNo">158</span>}<a name="line.158"></a> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html>
