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From git-site-r...@apache.org
Subject [30/51] [partial] hbase-site git commit: Published site at .
Date Fri, 22 Dec 2017 15:19:23 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/c4b2cc17/apidocs/src-html/org/apache/hadoop/hbase/RegionLoad.html
----------------------------------------------------------------------
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/RegionLoad.html b/apidocs/src-html/org/apache/hadoop/hbase/RegionLoad.html
index 9fecb61..613c4ac 100644
--- a/apidocs/src-html/org/apache/hadoop/hbase/RegionLoad.html
+++ b/apidocs/src-html/org/apache/hadoop/hbase/RegionLoad.html
@@ -29,238 +29,391 @@
 <span class="sourceLineNo">021</span>package org.apache.hadoop.hbase;<a name="line.21"></a>
 <span class="sourceLineNo">022</span><a name="line.22"></a>
 <span class="sourceLineNo">023</span>import java.util.List;<a name="line.23"></a>
-<span class="sourceLineNo">024</span><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>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos.StoreSequenceId;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.util.Strings;<a name="line.29"></a>
-<span class="sourceLineNo">030</span><a name="line.30"></a>
-<span class="sourceLineNo">031</span>/**<a name="line.31"></a>
-<span class="sourceLineNo">032</span>  * Encapsulates per-region load metrics.<a name="line.32"></a>
-<span class="sourceLineNo">033</span>  */<a name="line.33"></a>
-<span class="sourceLineNo">034</span>@InterfaceAudience.Public<a name="line.34"></a>
-<span class="sourceLineNo">035</span>public class RegionLoad {<a name="line.35"></a>
-<span class="sourceLineNo">036</span><a name="line.36"></a>
-<span class="sourceLineNo">037</span>  protected ClusterStatusProtos.RegionLoad regionLoadPB;<a name="line.37"></a>
-<span class="sourceLineNo">038</span><a name="line.38"></a>
-<span class="sourceLineNo">039</span>  @InterfaceAudience.Private<a name="line.39"></a>
-<span class="sourceLineNo">040</span>  public RegionLoad(ClusterStatusProtos.RegionLoad regionLoadPB) {<a name="line.40"></a>
-<span class="sourceLineNo">041</span>    this.regionLoadPB = regionLoadPB;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>  }<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 region name<a name="line.45"></a>
-<span class="sourceLineNo">046</span>   */<a name="line.46"></a>
-<span class="sourceLineNo">047</span>  public byte[] getName() {<a name="line.47"></a>
-<span class="sourceLineNo">048</span>    return regionLoadPB.getRegionSpecifier().getValue().toByteArray();<a name="line.48"></a>
+<span class="sourceLineNo">024</span>import java.util.Map;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.util.stream.Collectors;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.util.Strings;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.27"></a>
+<span class="sourceLineNo">028</span><a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.UnsafeByteOperations;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos;<a name="line.30"></a>
+<span class="sourceLineNo">031</span><a name="line.31"></a>
+<span class="sourceLineNo">032</span>/**<a name="line.32"></a>
+<span class="sourceLineNo">033</span> * Encapsulates per-region load metrics.<a name="line.33"></a>
+<span class="sourceLineNo">034</span> * @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0<a name="line.34"></a>
+<span class="sourceLineNo">035</span> *             Use {@link RegionMetrics} instead.<a name="line.35"></a>
+<span class="sourceLineNo">036</span> */<a name="line.36"></a>
+<span class="sourceLineNo">037</span>@InterfaceAudience.Public<a name="line.37"></a>
+<span class="sourceLineNo">038</span>@Deprecated<a name="line.38"></a>
+<span class="sourceLineNo">039</span>public class RegionLoad implements RegionMetrics {<a name="line.39"></a>
+<span class="sourceLineNo">040</span>  // DONT use this pb object since the byte array backed may be modified in rpc layer<a name="line.40"></a>
+<span class="sourceLineNo">041</span>  // we keep this pb object for BC.<a name="line.41"></a>
+<span class="sourceLineNo">042</span>  protected ClusterStatusProtos.RegionLoad regionLoadPB;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>  private final RegionMetrics metrics;<a name="line.43"></a>
+<span class="sourceLineNo">044</span><a name="line.44"></a>
+<span class="sourceLineNo">045</span>  @edu.umd.cs.findbugs.annotations.SuppressWarnings(value="URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")<a name="line.45"></a>
+<span class="sourceLineNo">046</span>  public RegionLoad(ClusterStatusProtos.RegionLoad regionLoadPB) {<a name="line.46"></a>
+<span class="sourceLineNo">047</span>    this.regionLoadPB = regionLoadPB;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>    this.metrics = RegionMetricsBuilder.toRegionMetrics(regionLoadPB);<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>  /**<a name="line.51"></a>
-<span class="sourceLineNo">052</span>   * @return the region name as a string<a name="line.52"></a>
-<span class="sourceLineNo">053</span>   */<a name="line.53"></a>
-<span class="sourceLineNo">054</span>  public String getNameAsString() {<a name="line.54"></a>
-<span class="sourceLineNo">055</span>    return Bytes.toStringBinary(getName());<a name="line.55"></a>
-<span class="sourceLineNo">056</span>  }<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>   * @return the number of stores<a name="line.59"></a>
+<span class="sourceLineNo">051</span>  RegionLoad(RegionMetrics metrics) {<a name="line.51"></a>
+<span class="sourceLineNo">052</span>    this.metrics = metrics;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>    this.regionLoadPB = RegionMetricsBuilder.toRegionLoad(metrics);<a name="line.53"></a>
+<span class="sourceLineNo">054</span>  }<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>   * @return the region name<a name="line.57"></a>
+<span class="sourceLineNo">058</span>   * @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0<a name="line.58"></a>
+<span class="sourceLineNo">059</span>   *             Use {@link #getRegionName} instead.<a name="line.59"></a>
 <span class="sourceLineNo">060</span>   */<a name="line.60"></a>
-<span class="sourceLineNo">061</span>  public int getStores() {<a name="line.61"></a>
-<span class="sourceLineNo">062</span>    return regionLoadPB.getStores();<a name="line.62"></a>
-<span class="sourceLineNo">063</span>  }<a name="line.63"></a>
-<span class="sourceLineNo">064</span><a name="line.64"></a>
-<span class="sourceLineNo">065</span>  /**<a name="line.65"></a>
-<span class="sourceLineNo">066</span>   * @return the number of storefiles<a name="line.66"></a>
-<span class="sourceLineNo">067</span>   */<a name="line.67"></a>
-<span class="sourceLineNo">068</span>  public int getStorefiles() {<a name="line.68"></a>
-<span class="sourceLineNo">069</span>    return regionLoadPB.getStorefiles();<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>  /**<a name="line.72"></a>
-<span class="sourceLineNo">073</span>   * @return the total size of the storefiles, in MB<a name="line.73"></a>
-<span class="sourceLineNo">074</span>   */<a name="line.74"></a>
-<span class="sourceLineNo">075</span>  public int getStorefileSizeMB() {<a name="line.75"></a>
-<span class="sourceLineNo">076</span>    return regionLoadPB.getStorefileSizeMB();<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>  /**<a name="line.79"></a>
-<span class="sourceLineNo">080</span>   * @return the memstore size, in MB<a name="line.80"></a>
-<span class="sourceLineNo">081</span>   */<a name="line.81"></a>
-<span class="sourceLineNo">082</span>  public int getMemStoreSizeMB() {<a name="line.82"></a>
-<span class="sourceLineNo">083</span>    return regionLoadPB.getMemStoreSizeMB();<a name="line.83"></a>
+<span class="sourceLineNo">061</span>  @Deprecated<a name="line.61"></a>
+<span class="sourceLineNo">062</span>  public byte[] getName() {<a name="line.62"></a>
+<span class="sourceLineNo">063</span>    return metrics.getRegionName();<a name="line.63"></a>
+<span class="sourceLineNo">064</span>  }<a name="line.64"></a>
+<span class="sourceLineNo">065</span><a name="line.65"></a>
+<span class="sourceLineNo">066</span>  @Override<a name="line.66"></a>
+<span class="sourceLineNo">067</span>  public byte[] getRegionName() {<a name="line.67"></a>
+<span class="sourceLineNo">068</span>    return metrics.getRegionName();<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>  @Override<a name="line.71"></a>
+<span class="sourceLineNo">072</span>  public int getStoreCount() {<a name="line.72"></a>
+<span class="sourceLineNo">073</span>    return metrics.getStoreCount();<a name="line.73"></a>
+<span class="sourceLineNo">074</span>  }<a name="line.74"></a>
+<span class="sourceLineNo">075</span><a name="line.75"></a>
+<span class="sourceLineNo">076</span>  @Override<a name="line.76"></a>
+<span class="sourceLineNo">077</span>  public int getStoreFileCount() {<a name="line.77"></a>
+<span class="sourceLineNo">078</span>    return metrics.getStoreFileCount();<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>  @Override<a name="line.81"></a>
+<span class="sourceLineNo">082</span>  public Size getStoreFileSize() {<a name="line.82"></a>
+<span class="sourceLineNo">083</span>    return metrics.getStoreFileSize();<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>  /**<a name="line.86"></a>
-<span class="sourceLineNo">087</span>   * @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0<a name="line.87"></a>
-<span class="sourceLineNo">088</span>   *             ((&lt;a href="https://issues.apache.org/jira/browse/HBASE-3935"&gt;HBASE-3935&lt;/a&gt;)).<a name="line.88"></a>
-<span class="sourceLineNo">089</span>   *             Use {@link #getStorefileIndexSizeKB()} instead.<a name="line.89"></a>
-<span class="sourceLineNo">090</span>   */<a name="line.90"></a>
-<span class="sourceLineNo">091</span>  @Deprecated<a name="line.91"></a>
-<span class="sourceLineNo">092</span>  public int getStorefileIndexSizeMB() {<a name="line.92"></a>
-<span class="sourceLineNo">093</span>    // Return value divided by 1024<a name="line.93"></a>
-<span class="sourceLineNo">094</span>    return (int) (regionLoadPB.getStorefileIndexSizeKB() &gt;&gt; 10);<a name="line.94"></a>
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-<span class="sourceLineNo">096</span><a name="line.96"></a>
-<span class="sourceLineNo">097</span>  public long getStorefileIndexSizeKB() {<a name="line.97"></a>
-<span class="sourceLineNo">098</span>    return regionLoadPB.getStorefileIndexSizeKB();<a name="line.98"></a>
+<span class="sourceLineNo">086</span>  @Override<a name="line.86"></a>
+<span class="sourceLineNo">087</span>  public Size getMemStoreSize() {<a name="line.87"></a>
+<span class="sourceLineNo">088</span>    return metrics.getMemStoreSize();<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>
+<span class="sourceLineNo">091</span>  @Override<a name="line.91"></a>
+<span class="sourceLineNo">092</span>  public long getReadRequestCount() {<a name="line.92"></a>
+<span class="sourceLineNo">093</span>    return metrics.getReadRequestCount();<a name="line.93"></a>
+<span class="sourceLineNo">094</span>  }<a name="line.94"></a>
+<span class="sourceLineNo">095</span><a name="line.95"></a>
+<span class="sourceLineNo">096</span>  @Override<a name="line.96"></a>
+<span class="sourceLineNo">097</span>  public long getFilteredReadRequestCount() {<a name="line.97"></a>
+<span class="sourceLineNo">098</span>    return metrics.getFilteredReadRequestCount();<a name="line.98"></a>
 <span class="sourceLineNo">099</span>  }<a name="line.99"></a>
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-<span class="sourceLineNo">102</span>   * @return the number of requests made to region<a name="line.102"></a>
-<span class="sourceLineNo">103</span>   */<a name="line.103"></a>
-<span class="sourceLineNo">104</span>  public long getRequestsCount() {<a name="line.104"></a>
-<span class="sourceLineNo">105</span>    return getReadRequestsCount() + getWriteRequestsCount();<a name="line.105"></a>
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-<span class="sourceLineNo">109</span>   * @return the number of read requests made to region<a name="line.109"></a>
-<span class="sourceLineNo">110</span>   */<a name="line.110"></a>
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-<span class="sourceLineNo">112</span>    return regionLoadPB.getReadRequestsCount();<a name="line.112"></a>
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-<span class="sourceLineNo">116</span>   * @return the number of filtered read requests made to region<a name="line.116"></a>
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-<span class="sourceLineNo">118</span>  public long getFilteredReadRequestsCount() {<a name="line.118"></a>
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-<span class="sourceLineNo">123</span>   * @return the number of write requests made to region<a name="line.123"></a>
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-<span class="sourceLineNo">130</span>   * @return The current total size of root-level indexes for the region, in KB.<a name="line.130"></a>
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+<span class="sourceLineNo">292</span>  /**<a name="line.292"></a>
+<span class="sourceLineNo">293</span>   * @return the number of already compacted kvs in current compaction<a name="line.293"></a>
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+<span class="sourceLineNo">302</span>  /**<a name="line.302"></a>
+<span class="sourceLineNo">303</span>   * This does not really belong inside RegionLoad but its being done in the name of expediency.<a name="line.303"></a>
+<span class="sourceLineNo">304</span>   * @return the completed sequence Id for the region<a name="line.304"></a>
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+<span class="sourceLineNo">308</span>  @Deprecated<a name="line.308"></a>
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+<span class="sourceLineNo">313</span>  /**<a name="line.313"></a>
+<span class="sourceLineNo">314</span>   * @return completed sequence id per store.<a name="line.314"></a>
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+<span class="sourceLineNo">317</span>   */<a name="line.317"></a>
+<span class="sourceLineNo">318</span>  @Deprecated<a name="line.318"></a>
+<span class="sourceLineNo">319</span>  public List&lt;ClusterStatusProtos.StoreSequenceId&gt; getStoreCompleteSequenceId() {<a name="line.319"></a>
+<span class="sourceLineNo">320</span>    return metrics.getStoreSequenceId().entrySet().stream()<a name="line.320"></a>
+<span class="sourceLineNo">321</span>        .map(s -&gt; ClusterStatusProtos.StoreSequenceId.newBuilder()<a name="line.321"></a>
+<span class="sourceLineNo">322</span>                  .setFamilyName(UnsafeByteOperations.unsafeWrap(s.getKey()))<a name="line.322"></a>
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+<span class="sourceLineNo">327</span><a name="line.327"></a>
+<span class="sourceLineNo">328</span>  /**<a name="line.328"></a>
+<span class="sourceLineNo">329</span>   * @return the uncompressed size of the storefiles in MB.<a name="line.329"></a>
+<span class="sourceLineNo">330</span>   * @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0<a name="line.330"></a>
+<span class="sourceLineNo">331</span>   *             Use {@link #getUncompressedStoreFileSize} instead.<a name="line.331"></a>
+<span class="sourceLineNo">332</span>   */<a name="line.332"></a>
+<span class="sourceLineNo">333</span>  @Deprecated<a name="line.333"></a>
+<span class="sourceLineNo">334</span>  public int getStoreUncompressedSizeMB() {<a name="line.334"></a>
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+<span class="sourceLineNo">337</span><a name="line.337"></a>
+<span class="sourceLineNo">338</span>  /**<a name="line.338"></a>
+<span class="sourceLineNo">339</span>   * @return the data locality of region in the regionserver.<a name="line.339"></a>
+<span class="sourceLineNo">340</span>   */<a name="line.340"></a>
+<span class="sourceLineNo">341</span>  @Override<a name="line.341"></a>
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+<span class="sourceLineNo">343</span>    return metrics.getDataLocality();<a name="line.343"></a>
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+<span class="sourceLineNo">345</span><a name="line.345"></a>
+<span class="sourceLineNo">346</span>  @Override<a name="line.346"></a>
+<span class="sourceLineNo">347</span>  public long getLastMajorCompactionTimestamp() {<a name="line.347"></a>
+<span class="sourceLineNo">348</span>    return metrics.getLastMajorCompactionTimestamp();<a name="line.348"></a>
+<span class="sourceLineNo">349</span>  }<a name="line.349"></a>
+<span class="sourceLineNo">350</span><a name="line.350"></a>
+<span class="sourceLineNo">351</span>  /**<a name="line.351"></a>
+<span class="sourceLineNo">352</span>   * @return the timestamp of the oldest hfile for any store of this region.<a name="line.352"></a>
+<span class="sourceLineNo">353</span>   * @deprecated As of release 2.0.0, this will be removed in HBase 3.0.0<a name="line.353"></a>
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+<span class="sourceLineNo">355</span>   */<a name="line.355"></a>
+<span class="sourceLineNo">356</span>  @Deprecated<a name="line.356"></a>
+<span class="sourceLineNo">357</span>  public long getLastMajorCompactionTs() {<a name="line.357"></a>
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+<span class="sourceLineNo">359</span>  }<a name="line.359"></a>
+<span class="sourceLineNo">360</span><a name="line.360"></a>
+<span class="sourceLineNo">361</span>  /**<a name="line.361"></a>
+<span class="sourceLineNo">362</span>   * @see java.lang.Object#toString()<a name="line.362"></a>
+<span class="sourceLineNo">363</span>   */<a name="line.363"></a>
+<span class="sourceLineNo">364</span>  @Override<a name="line.364"></a>
+<span class="sourceLineNo">365</span>  public String toString() {<a name="line.365"></a>
+<span class="sourceLineNo">366</span>    StringBuilder sb = Strings.appendKeyValue(new StringBuilder(), "numberOfStores",<a name="line.366"></a>
+<span class="sourceLineNo">367</span>        this.getStores());<a name="line.367"></a>
+<span class="sourceLineNo">368</span>    Strings.appendKeyValue(sb, "numberOfStorefiles", this.getStorefiles());<a name="line.368"></a>
+<span class="sourceLineNo">369</span>    Strings.appendKeyValue(sb, "storefileUncompressedSizeMB",<a name="line.369"></a>
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+<span class="sourceLineNo">373</span>    Strings.appendKeyValue(sb, "storefileSizeMB", this.getStorefileSizeMB());<a name="line.373"></a>
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+<span class="sourceLineNo">407</span>  }<a name="line.407"></a>
+<span class="sourceLineNo">408</span>}<a name="line.408"></a>
 
 
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/c4b2cc17/apidocs/src-html/org/apache/hadoop/hbase/RegionMetrics.html
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+<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> *<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * or more contributor license agreements.  See the NOTICE file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * distributed with this work for additional information<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * regarding copyright ownership.  The ASF licenses this file<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * to you under the Apache License, Version 2.0 (the<a name="line.8"></a>
+<span class="sourceLineNo">009</span> * "License"); you may not use this file except in compliance<a name="line.9"></a>
+<span class="sourceLineNo">010</span> * with the License.  You may obtain a copy of the License at<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *<a name="line.11"></a>
+<span class="sourceLineNo">012</span> *     http://www.apache.org/licenses/LICENSE-2.0<a name="line.12"></a>
+<span class="sourceLineNo">013</span> *<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * Unless required by applicable law or agreed to in writing, software<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.16"></a>
+<span class="sourceLineNo">017</span> * See the License for the specific language governing permissions and<a name="line.17"></a>
+<span class="sourceLineNo">018</span> * limitations under the License.<a name="line.18"></a>
+<span class="sourceLineNo">019</span> */<a name="line.19"></a>
+<span class="sourceLineNo">020</span><a name="line.20"></a>
+<span class="sourceLineNo">021</span>package org.apache.hadoop.hbase;<a name="line.21"></a>
+<span class="sourceLineNo">022</span><a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.util.Map;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.util.Bytes;<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>  * Encapsulates per-region load metrics.<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 RegionMetrics {<a name="line.31"></a>
+<span class="sourceLineNo">032</span><a name="line.32"></a>
+<span class="sourceLineNo">033</span>  /**<a name="line.33"></a>
+<span class="sourceLineNo">034</span>   * @return the region name<a name="line.34"></a>
+<span class="sourceLineNo">035</span>   */<a name="line.35"></a>
+<span class="sourceLineNo">036</span>  byte[] getRegionName();<a name="line.36"></a>
+<span class="sourceLineNo">037</span><a name="line.37"></a>
+<span class="sourceLineNo">038</span>  /**<a name="line.38"></a>
+<span class="sourceLineNo">039</span>   * @return the number of stores<a name="line.39"></a>
+<span class="sourceLineNo">040</span>   */<a name="line.40"></a>
+<span class="sourceLineNo">041</span>  int getStoreCount();<a name="line.41"></a>
+<span class="sourceLineNo">042</span><a name="line.42"></a>
+<span class="sourceLineNo">043</span>  /**<a name="line.43"></a>
+<span class="sourceLineNo">044</span>   * @return the number of storefiles<a name="line.44"></a>
+<span class="sourceLineNo">045</span>   */<a name="line.45"></a>
+<span class="sourceLineNo">046</span>  int getStoreFileCount();<a name="line.46"></a>
+<span class="sourceLineNo">047</span><a name="line.47"></a>
+<span class="sourceLineNo">048</span>  /**<a name="line.48"></a>
+<span class="sourceLineNo">049</span>   * @return the total size of the storefiles<a name="line.49"></a>
+<span class="sourceLineNo">050</span>   */<a name="line.50"></a>
+<span class="sourceLineNo">051</span>  Size getStoreFileSize();<a name="line.51"></a>
+<span class="sourceLineNo">052</span><a name="line.52"></a>
+<span class="sourceLineNo">053</span>  /**<a name="line.53"></a>
+<span class="sourceLineNo">054</span>   * @return the memstore size<a name="line.54"></a>
+<span class="sourceLineNo">055</span>   */<a name="line.55"></a>
+<span class="sourceLineNo">056</span>  Size getMemStoreSize();<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>   * @return the number of read requests made to region<a name="line.59"></a>
+<span class="sourceLineNo">060</span>   */<a name="line.60"></a>
+<span class="sourceLineNo">061</span>  long getReadRequestCount();<a name="line.61"></a>
+<span class="sourceLineNo">062</span><a name="line.62"></a>
+<span class="sourceLineNo">063</span>  /**<a name="line.63"></a>
+<span class="sourceLineNo">064</span>   * @return the number of write requests made to region<a name="line.64"></a>
+<span class="sourceLineNo">065</span>   */<a name="line.65"></a>
+<span class="sourceLineNo">066</span>  long getWriteRequestCount();<a name="line.66"></a>
+<span class="sourceLineNo">067</span><a name="line.67"></a>
+<span class="sourceLineNo">068</span>  /**<a name="line.68"></a>
+<span class="sourceLineNo">069</span>   * @return the number of write requests and read requests made to region<a name="line.69"></a>
+<span class="sourceLineNo">070</span>   */<a name="line.70"></a>
+<span class="sourceLineNo">071</span>  default long getRequestCount() {<a name="line.71"></a>
+<span class="sourceLineNo">072</span>    return getReadRequestCount() + getWriteRequestCount();<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>  /**<a name="line.75"></a>
+<span class="sourceLineNo">076</span>   * @return the region name as a string<a name="line.76"></a>
+<span class="sourceLineNo">077</span>   */<a name="line.77"></a>
+<span class="sourceLineNo">078</span>  default String getNameAsString() {<a name="line.78"></a>
+<span class="sourceLineNo">079</span>    return Bytes.toStringBinary(getRegionName());<a name="line.79"></a>
+<span class="sourceLineNo">080</span>  }<a name="line.80"></a>
+<span class="sourceLineNo">081</span><a name="line.81"></a>
+<span class="sourceLineNo">082</span>  /**<a name="line.82"></a>
+<span class="sourceLineNo">083</span>   * @return the number of filtered read requests made to region<a name="line.83"></a>
+<span class="sourceLineNo">084</span>   */<a name="line.84"></a>
+<span class="sourceLineNo">085</span>  long getFilteredReadRequestCount();<a name="line.85"></a>
+<span class="sourceLineNo">086</span><a name="line.86"></a>
+<span class="sourceLineNo">087</span>  /**<a name="line.87"></a>
+<span class="sourceLineNo">088</span>   * TODO: why we pass the same value to different counters? Currently, the value from<a name="line.88"></a>
+<span class="sourceLineNo">089</span>   * getStoreFileIndexSize() is same with getStoreFileRootLevelIndexSize()<a name="line.89"></a>
+<span class="sourceLineNo">090</span>   * see HRegionServer#createRegionLoad.<a name="line.90"></a>
+<span class="sourceLineNo">091</span>   * @return The current total size of root-level indexes for the region<a name="line.91"></a>
+<span class="sourceLineNo">092</span>   */<a name="line.92"></a>
+<span class="sourceLineNo">093</span>  Size getStoreFileIndexSize();<a name="line.93"></a>
+<span class="sourceLineNo">094</span><a name="line.94"></a>
+<span class="sourceLineNo">095</span>  /**<a name="line.95"></a>
+<span class="sourceLineNo">096</span>   * @return The current total size of root-level indexes for the region<a name="line.96"></a>
+<span class="sourceLineNo">097</span>   */<a name="line.97"></a>
+<span class="sourceLineNo">098</span>  Size getStoreFileRootLevelIndexSize();<a name="line.98"></a>
+<span class="sourceLineNo">099</span><a name="line.99"></a>
+<span class="sourceLineNo">100</span>  /**<a name="line.100"></a>
+<span class="sourceLineNo">101</span>   * @return The total size of all index blocks, not just the root level<a name="line.101"></a>
+<span class="sourceLineNo">102</span>   */<a name="line.102"></a>
+<span class="sourceLineNo">103</span>  Size getStoreFileUncompressedDataIndexSize();<a name="line.103"></a>
+<span class="sourceLineNo">104</span><a name="line.104"></a>
+<span class="sourceLineNo">105</span>  /**<a name="line.105"></a>
+<span class="sourceLineNo">106</span>   * @return The total size of all Bloom filter blocks, not just loaded into the block cache<a name="line.106"></a>
+<span class="sourceLineNo">107</span>   */<a name="line.107"></a>
+<span class="sourceLineNo">108</span>  Size getBloomFilterSize();<a name="line.108"></a>
+<span class="sourceLineNo">109</span><a name="line.109"></a>
+<span class="sourceLineNo">110</span>  /**<a name="line.110"></a>
+<span class="sourceLineNo">111</span>   * @return the total number of cells in current compaction<a name="line.111"></a>
+<span class="sourceLineNo">112</span>   */<a name="line.112"></a>
+<span class="sourceLineNo">113</span>  long getCompactingCellCount();<a name="line.113"></a>
+<span class="sourceLineNo">114</span><a name="line.114"></a>
+<span class="sourceLineNo">115</span>  /**<a name="line.115"></a>
+<span class="sourceLineNo">116</span>   * @return the number of already compacted kvs in current compaction<a name="line.116"></a>
+<span class="sourceLineNo">117</span>   */<a name="line.117"></a>
+<span class="sourceLineNo">118</span>  long getCompactedCellCount();<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>   * This does not really belong inside RegionLoad but its being done in the name of expediency.<a name="line.121"></a>
+<span class="sourceLineNo">122</span>   * @return the completed sequence Id for the region<a name="line.122"></a>
+<span class="sourceLineNo">123</span>   */<a name="line.123"></a>
+<span class="sourceLineNo">124</span>  long getCompletedSequenceId();<a name="line.124"></a>
+<span class="sourceLineNo">125</span><a name="line.125"></a>
+<span class="sourceLineNo">126</span>  /**<a name="line.126"></a>
+<span class="sourceLineNo">127</span>   * @return completed sequence id per store.<a name="line.127"></a>
+<span class="sourceLineNo">128</span>   */<a name="line.128"></a>
+<span class="sourceLineNo">129</span>  Map&lt;byte[], Long&gt; getStoreSequenceId();<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>  /**<a name="line.132"></a>
+<span class="sourceLineNo">133</span>   * @return the uncompressed size of the storefiles<a name="line.133"></a>
+<span class="sourceLineNo">134</span>   */<a name="line.134"></a>
+<span class="sourceLineNo">135</span>  Size getUncompressedStoreFileSize();<a name="line.135"></a>
+<span class="sourceLineNo">136</span><a name="line.136"></a>
+<span class="sourceLineNo">137</span>  /**<a name="line.137"></a>
+<span class="sourceLineNo">138</span>   * @return the data locality of region in the regionserver.<a name="line.138"></a>
+<span class="sourceLineNo">139</span>   */<a name="line.139"></a>
+<span class="sourceLineNo">140</span>  float getDataLocality();<a name="line.140"></a>
+<span class="sourceLineNo">141</span><a name="line.141"></a>
+<span class="sourceLineNo">142</span>  /**<a name="line.142"></a>
+<span class="sourceLineNo">143</span>   * @return the timestamp of the oldest hfile for any store of this region.<a name="line.143"></a>
+<span class="sourceLineNo">144</span>   */<a name="line.144"></a>
+<span class="sourceLineNo">145</span>  long getLastMajorCompactionTimestamp();<a name="line.145"></a>
+<span class="sourceLineNo">146</span><a name="line.146"></a>
+<span class="sourceLineNo">147</span>}<a name="line.147"></a>
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+</pre>
+</div>
+</body>
+</html>


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