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Posted to commits@hbase.apache.org by gi...@apache.org on 2017/04/05 01:50:18 UTC
[04/24] hbase-site git commit: Published site at
910b68082c8f200f0ba6395a76b7ee1c8917e401.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f5caf0f9/devapidocs/src-html/org/apache/hadoop/hbase/wal/AbstractFSWALProvider.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/wal/AbstractFSWALProvider.html b/devapidocs/src-html/org/apache/hadoop/hbase/wal/AbstractFSWALProvider.html
index e1a18ec..fcefc60 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/wal/AbstractFSWALProvider.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/wal/AbstractFSWALProvider.html
@@ -25,374 +25,475 @@
<span class="sourceLineNo">017</span> */<a name="line.17"></a>
<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.wal;<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
-<span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a>
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-<span class="sourceLineNo">022</span>import java.util.Collections;<a name="line.22"></a>
-<span class="sourceLineNo">023</span>import java.util.List;<a name="line.23"></a>
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-<span class="sourceLineNo">027</span>import org.apache.commons.logging.Log;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.commons.logging.LogFactory;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.conf.Configuration;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.fs.FSDataInputStream;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.fs.FileSystem;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hadoop.fs.Path;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.HConstants;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.ServerName;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.regionserver.wal.AbstractFSWAL;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.regionserver.wal.WALActionsListener;<a name="line.38"></a>
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-<span class="sourceLineNo">041</span><a name="line.41"></a>
-<span class="sourceLineNo">042</span>/**<a name="line.42"></a>
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-<span class="sourceLineNo">045</span> * <ul><a name="line.45"></a>
-<span class="sourceLineNo">046</span> * <li>the HBase root directory<a name="line.46"></a>
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-<span class="sourceLineNo">049</span> * </ul><a name="line.49"></a>
-<span class="sourceLineNo">050</span> * It also uses the providerId to differentiate among files.<a name="line.50"></a>
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-<span class="sourceLineNo">052</span>@InterfaceAudience.Private<a name="line.52"></a>
-<span class="sourceLineNo">053</span>@InterfaceStability.Evolving<a name="line.53"></a>
-<span class="sourceLineNo">054</span>public abstract class AbstractFSWALProvider<T extends AbstractFSWAL<?>> implements WALProvider {<a name="line.54"></a>
-<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span> private static final Log LOG = LogFactory.getLog(AbstractFSWALProvider.class);<a name="line.56"></a>
-<span class="sourceLineNo">057</span><a name="line.57"></a>
-<span class="sourceLineNo">058</span> // Only public so classes back in regionserver.wal can access<a name="line.58"></a>
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-<span class="sourceLineNo">075</span> // for default wal provider, logPrefix won't change<a name="line.75"></a>
-<span class="sourceLineNo">076</span> protected String logPrefix = null;<a name="line.76"></a>
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-<span class="sourceLineNo">099</span> this.providerId = providerId;<a name="line.99"></a>
-<span class="sourceLineNo">100</span> // get log prefix<a name="line.100"></a>
-<span class="sourceLineNo">101</span> StringBuilder sb = new StringBuilder().append(factory.factoryId);<a name="line.101"></a>
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-<span class="sourceLineNo">116</span> return Collections.emptyList();<a name="line.116"></a>
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-<span class="sourceLineNo">118</span> List<WAL> wals = new ArrayList<>(1);<a name="line.118"></a>
-<span class="sourceLineNo">119</span> wals.add(wal);<a name="line.119"></a>
-<span class="sourceLineNo">120</span> return wals;<a name="line.120"></a>
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-<span class="sourceLineNo">124</span> public T getWAL(byte[] identifier, byte[] namespace) throws IOException {<a name="line.124"></a>
-<span class="sourceLineNo">125</span> T walCopy = wal;<a name="line.125"></a>
-<span class="sourceLineNo">126</span> if (walCopy == null) {<a name="line.126"></a>
-<span class="sourceLineNo">127</span> // only lock when need to create wal, and need to lock since<a name="line.127"></a>
-<span class="sourceLineNo">128</span> // creating hlog on fs is time consuming<a name="line.128"></a>
-<span class="sourceLineNo">129</span> synchronized (walCreateLock) {<a name="line.129"></a>
-<span class="sourceLineNo">130</span> walCopy = wal;<a name="line.130"></a>
-<span class="sourceLineNo">131</span> if (walCopy == null) {<a name="line.131"></a>
-<span class="sourceLineNo">132</span> walCopy = createWAL();<a name="line.132"></a>
-<span class="sourceLineNo">133</span> wal = walCopy;<a name="line.133"></a>
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+<span class="sourceLineNo">027</span><a name="line.27"></a>
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+<span class="sourceLineNo">029</span>import org.apache.commons.logging.LogFactory;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.conf.Configuration;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.fs.FSDataInputStream;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.fs.FileSystem;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.fs.Path;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.HConstants;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.ServerName;<a name="line.35"></a>
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+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.regionserver.wal.AbstractFSWAL;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.regionserver.wal.WALActionsListener;<a name="line.39"></a>
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+<span class="sourceLineNo">050</span> * <li>the HBase root directory<a name="line.50"></a>
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+<span class="sourceLineNo">053</span> * </ul><a name="line.53"></a>
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+<span class="sourceLineNo">057</span>@InterfaceStability.Evolving<a name="line.57"></a>
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+<span class="sourceLineNo">130</span> if (walCopy == null) {<a name="line.130"></a>
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+<span class="sourceLineNo">384</span> * @return archived path if exists, path - otherwise<a name="line.384"></a>
+<span class="sourceLineNo">385</span> * @throws IOException exception<a name="line.385"></a>
+<span class="sourceLineNo">386</span> */<a name="line.386"></a>
+<span class="sourceLineNo">387</span> public static Path getArchivedLogPath(Path path, Configuration conf) throws IOException {<a name="line.387"></a>
+<span class="sourceLineNo">388</span> Path rootDir = FSUtils.getRootDir(conf);<a name="line.388"></a>
+<span class="sourceLineNo">389</span> Path oldLogDir = new Path(rootDir, HConstants.HREGION_OLDLOGDIR_NAME);<a name="line.389"></a>
+<span class="sourceLineNo">390</span> Path archivedLogLocation = new Path(oldLogDir, path.getName());<a name="line.390"></a>
+<span class="sourceLineNo">391</span> final FileSystem fs = FSUtils.getCurrentFileSystem(conf);<a name="line.391"></a>
+<span class="sourceLineNo">392</span><a name="line.392"></a>
+<span class="sourceLineNo">393</span> if (fs.exists(archivedLogLocation)) {<a name="line.393"></a>
+<span class="sourceLineNo">394</span> LOG.info("Log " + path + " was moved to " + archivedLogLocation);<a name="line.394"></a>
+<span class="sourceLineNo">395</span> return archivedLogLocation;<a name="line.395"></a>
+<span class="sourceLineNo">396</span> } else {<a name="line.396"></a>
+<span class="sourceLineNo">397</span> LOG.error("Couldn't locate log: " + path);<a name="line.397"></a>
+<span class="sourceLineNo">398</span> return path;<a name="line.398"></a>
+<span class="sourceLineNo">399</span> }<a name="line.399"></a>
+<span class="sourceLineNo">400</span> }<a name="line.400"></a>
+<span class="sourceLineNo">401</span><a name="line.401"></a>
+<span class="sourceLineNo">402</span> /**<a name="line.402"></a>
+<span class="sourceLineNo">403</span> * Opens WAL reader with retries and<a name="line.403"></a>
+<span class="sourceLineNo">404</span> * additional exception handling<a name="line.404"></a>
+<span class="sourceLineNo">405</span> * @param path path to WAL file<a name="line.405"></a>
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+<span class="sourceLineNo">407</span> * @return WAL Reader instance<a name="line.407"></a>
+<span class="sourceLineNo">408</span> * @throws IOException<a name="line.408"></a>
+<span class="sourceLineNo">409</span> */<a name="line.409"></a>
+<span class="sourceLineNo">410</span> public static org.apache.hadoop.hbase.wal.WAL.Reader<a name="line.410"></a>
+<span class="sourceLineNo">411</span> openReader(Path path, Configuration conf)<a name="line.411"></a>
+<span class="sourceLineNo">412</span> throws IOException<a name="line.412"></a>
+<span class="sourceLineNo">413</span><a name="line.413"></a>
+<span class="sourceLineNo">414</span> {<a name="line.414"></a>
+<span class="sourceLineNo">415</span> long retryInterval = 2000; // 2 sec<a name="line.415"></a>
+<span class="sourceLineNo">416</span> int maxAttempts = 30;<a name="line.416"></a>
+<span class="sourceLineNo">417</span> int attempt = 0;<a name="line.417"></a>
+<span class="sourceLineNo">418</span> Exception ee = null;<a name="line.418"></a>
+<span class="sourceLineNo">419</span> org.apache.hadoop.hbase.wal.WAL.Reader reader = null;<a name="line.419"></a>
+<span class="sourceLineNo">420</span> while (reader == null && attempt++ < maxAttempts) {<a name="line.420"></a>
+<span class="sourceLineNo">421</span> try {<a name="line.421"></a>
+<span class="sourceLineNo">422</span> // Detect if this is a new file, if so get a new reader else<a name="line.422"></a>
+<span class="sourceLineNo">423</span> // reset the current reader so that we see the new data<a name="line.423"></a>
+<span class="sourceLineNo">424</span> reader = WALFactory.createReader(path.getFileSystem(conf), path, conf);<a name="line.424"></a>
+<span class="sourceLineNo">425</span> return reader;<a name="line.425"></a>
+<span class="sourceLineNo">426</span> } catch (FileNotFoundException fnfe) {<a name="line.426"></a>
+<span class="sourceLineNo">427</span> // If the log was archived, continue reading from there<a name="line.427"></a>
+<span class="sourceLineNo">428</span> Path archivedLog = AbstractFSWALProvider.getArchivedLogPath(path, conf);<a name="line.428"></a>
+<span class="sourceLineNo">429</span> if (path != archivedLog) {<a name="line.429"></a>
+<span class="sourceLineNo">430</span> return openReader(archivedLog, conf);<a name="line.430"></a>
+<span class="sourceLineNo">431</span> } else {<a name="line.431"></a>
+<span class="sourceLineNo">432</span> throw fnfe;<a name="line.432"></a>
+<span class="sourceLineNo">433</span> }<a name="line.433"></a>
+<span class="sourceLineNo">434</span> } catch (LeaseNotRecoveredException lnre) {<a name="line.434"></a>
+<span class="sourceLineNo">435</span> // HBASE-15019 the WAL was not closed due to some hiccup.<a name="line.435"></a>
+<span class="sourceLineNo">436</span> LOG.warn("Try to recover the WAL lease " + path, lnre);<a name="line.436"></a>
+<span class="sourceLineNo">437</span> recoverLease(conf, path);<a name="line.437"></a>
+<span class="sourceLineNo">438</span> reader = null;<a name="line.438"></a>
+<span class="sourceLineNo">439</span> ee = lnre;<a name="line.439"></a>
+<span class="sourceLineNo">440</span> } catch (NullPointerException npe) {<a name="line.440"></a>
+<span class="sourceLineNo">441</span> // Workaround for race condition in HDFS-4380<a name="line.441"></a>
+<span class="sourceLineNo">442</span> // which throws a NPE if we open a file before any data node has the most recent block<a name="line.442"></a>
+<span class="sourceLineNo">443</span> // Just sleep and retry. Will require re-reading compressed WALs for compressionContext.<a name="line.443"></a>
+<span class="sourceLineNo">444</span> LOG.warn("Got NPE opening reader, will retry.");<a name="line.444"></a>
+<span class="sourceLineNo">445</span> reader = null;<a name="line.445"></a>
+<span class="sourceLineNo">446</span> ee = npe;<a name="line.446"></a>
+<span class="sourceLineNo">447</span> }<a name="line.447"></a>
+<span class="sourceLineNo">448</span> if (reader == null) {<a name="line.448"></a>
+<span class="sourceLineNo">449</span> // sleep before next attempt<a name="line.449"></a>
+<span class="sourceLineNo">450</span> try {<a name="line.450"></a>
+<span class="sourceLineNo">451</span> Thread.sleep(retryInterval);<a name="line.451"></a>
+<span class="sourceLineNo">452</span> } catch (InterruptedException e) {<a name="line.452"></a>
+<span class="sourceLineNo">453</span> }<a name="line.453"></a>
+<span class="sourceLineNo">454</span> }<a name="line.454"></a>
+<span class="sourceLineNo">455</span> }<a name="line.455"></a>
+<span class="sourceLineNo">456</span> throw new IOException("Could not open reader", ee);<a name="line.456"></a>
+<span class="sourceLineNo">457</span> }<a name="line.457"></a>
+<span class="sourceLineNo">458</span><a name="line.458"></a>
+<span class="sourceLineNo">459</span> // For HBASE-15019<a name="line.459"></a>
+<span class="sourceLineNo">460</span> private static void recoverLease(final Configuration conf, final Path path) {<a name="line.460"></a>
+<span class="sourceLineNo">461</span> try {<a name="line.461"></a>
+<span class="sourceLineNo">462</span> final FileSystem dfs = FSUtils.getCurrentFileSystem(conf);<a name="line.462"></a>
+<span class="sourceLineNo">463</span> FSUtils fsUtils = FSUtils.getInstance(dfs, conf);<a name="line.463"></a>
+<span class="sourceLineNo">464</span> fsUtils.recoverFileLease(dfs, path, conf, new CancelableProgressable() {<a name="line.464"></a>
+<span class="sourceLineNo">465</span> @Override<a name="line.465"></a>
+<span class="sourceLineNo">466</span> public boolean progress() {<a name="line.466"></a>
+<span class="sourceLineNo">467</span> LOG.debug("Still trying to recover WAL lease: " + path);<a name="line.467"></a>
+<span class="sourceLineNo">468</span> return true;<a name="line.468"></a>
+<span class="sourceLineNo">469</span> }<a name="line.469"></a>
+<span class="sourceLineNo">470</span> });<a name="line.470"></a>
+<span class="sourceLineNo">471</span> } catch (IOException e) {<a name="line.471"></a>
+<span class="sourceLineNo">472</span> LOG.warn("unable to recover lease for WAL: " + path, e);<a name="line.472"></a>
+<span class="sourceLineNo">473</span> }<a name="line.473"></a>
+<span class="sourceLineNo">474</span> }<a name="line.474"></a>
+<span class="sourceLineNo">475</span><a name="line.475"></a>
+<span class="sourceLineNo">476</span><a name="line.476"></a>
+<span class="sourceLineNo">477</span> /**<a name="line.477"></a>
+<span class="sourceLineNo">478</span> * Get prefix of the log from its name, assuming WAL name in format of<a name="line.478"></a>
+<span class="sourceLineNo">479</span> * log_prefix.filenumber.log_suffix<a name="line.479"></a>
+<span class="sourceLineNo">480</span> * @param name Name of the WAL to parse<a name="line.480"></a>
+<span class="sourceLineNo">481</span> * @return prefix of the log<a name="line.481"></a>
+<span class="sourceLineNo">482</span> * @see AbstractFSWAL#getCurrentFileName()<a name="line.482"></a>
+<span class="sourceLineNo">483</span> */<a name="line.483"></a>
+<span class="sourceLineNo">484</span> public static String getWALPrefixFromWALName(String name) {<a name="line.484"></a>
+<span class="sourceLineNo">485</span> int endIndex = name.replaceAll(META_WAL_PROVIDER_ID, "").lastIndexOf(".");<a name="line.485"></a>
+<span class="sourceLineNo">486</span> return name.substring(0, endIndex);<a name="line.486"></a>
+<span class="sourceLineNo">487</span> }<a name="line.487"></a>
+<span class="sourceLineNo">488</span>}<a name="line.488"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f5caf0f9/export_control.html
----------------------------------------------------------------------
diff --git a/export_control.html b/export_control.html
index 9108f3b..49f5062 100644
--- a/export_control.html
+++ b/export_control.html
@@ -7,7 +7,7 @@
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
- <meta name="Date-Revision-yyyymmdd" content="20170404" />
+ <meta name="Date-Revision-yyyymmdd" content="20170405" />
<meta http-equiv="Content-Language" content="en" />
<title>Apache HBase –
Export Control
@@ -348,7 +348,7 @@ for more details.</p>
<a href="https://www.apache.org/">The Apache Software Foundation</a>.
All rights reserved.
- <li id="publishDate" class="pull-right">Last Published: 2017-04-04</li>
+ <li id="publishDate" class="pull-right">Last Published: 2017-04-05</li>
</p>
</div>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f5caf0f9/hbase-annotations/checkstyle.html
----------------------------------------------------------------------
diff --git a/hbase-annotations/checkstyle.html b/hbase-annotations/checkstyle.html
index db0d528..d06eeb4 100644
--- a/hbase-annotations/checkstyle.html
+++ b/hbase-annotations/checkstyle.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<!-- Generated by Apache Maven Doxia Site Renderer 1.6 at 2017-04-04 -->
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
@@ -10,7 +10,7 @@
@import url("./css/site.css");
</style>
<link rel="stylesheet" href="./css/print.css" type="text/css" media="print" />
- <meta name="Date-Revision-yyyymmdd" content="20170404" />
+ <meta name="Date-Revision-yyyymmdd" content="20170405" />
<meta http-equiv="Content-Language" content="en" />
</head>
@@ -27,7 +27,7 @@
<div class="xleft">
- <span id="publishDate">Last Published: 2017-04-04</span>
+ <span id="publishDate">Last Published: 2017-04-05</span>
| <span id="projectVersion">Version: 2.0.0-SNAPSHOT</span>
</div>
<div class="xright"> <a href="./" title="Apache HBase - Annotations">Apache HBase - Annotations</a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f5caf0f9/hbase-annotations/dependencies.html
----------------------------------------------------------------------
diff --git a/hbase-annotations/dependencies.html b/hbase-annotations/dependencies.html
index 9d1cdcc..a2a33ea 100644
--- a/hbase-annotations/dependencies.html
+++ b/hbase-annotations/dependencies.html
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
@@ -10,7 +10,7 @@
@import url("./css/site.css");
</style>
<link rel="stylesheet" href="./css/print.css" type="text/css" media="print" />
- <meta name="Date-Revision-yyyymmdd" content="20170404" />
+ <meta name="Date-Revision-yyyymmdd" content="20170405" />
<meta http-equiv="Content-Language" content="en" />
</head>
@@ -27,7 +27,7 @@
<div class="xleft">
- <span id="publishDate">Last Published: 2017-04-04</span>
+ <span id="publishDate">Last Published: 2017-04-05</span>
| <span id="projectVersion">Version: 2.0.0-SNAPSHOT</span>
</div>
<div class="xright"> <a href="./" title="Apache HBase - Annotations">Apache HBase - Annotations</a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f5caf0f9/hbase-annotations/dependency-convergence.html
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diff --git a/hbase-annotations/dependency-convergence.html b/hbase-annotations/dependency-convergence.html
index 5d22063..3a31c87 100644
--- a/hbase-annotations/dependency-convergence.html
+++ b/hbase-annotations/dependency-convergence.html
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-<!-- Generated by Apache Maven Doxia Site Renderer 1.6 at 2017-04-04 -->
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
@@ -10,7 +10,7 @@
@import url("./css/site.css");
</style>
<link rel="stylesheet" href="./css/print.css" type="text/css" media="print" />
- <meta name="Date-Revision-yyyymmdd" content="20170404" />
+ <meta name="Date-Revision-yyyymmdd" content="20170405" />
<meta http-equiv="Content-Language" content="en" />
</head>
@@ -27,7 +27,7 @@
<div class="xleft">
- <span id="publishDate">Last Published: 2017-04-04</span>
+ <span id="publishDate">Last Published: 2017-04-05</span>
| <span id="projectVersion">Version: 2.0.0-SNAPSHOT</span>
</div>
<div class="xright"> <a href="./" title="Apache HBase - Annotations">Apache HBase - Annotations</a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f5caf0f9/hbase-annotations/dependency-info.html
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diff --git a/hbase-annotations/dependency-info.html b/hbase-annotations/dependency-info.html
index aad7395..1310cc9 100644
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+++ b/hbase-annotations/dependency-info.html
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-<!-- Generated by Apache Maven Doxia Site Renderer 1.6 at 2017-04-04 -->
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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@import url("./css/site.css");
</style>
<link rel="stylesheet" href="./css/print.css" type="text/css" media="print" />
- <meta name="Date-Revision-yyyymmdd" content="20170404" />
+ <meta name="Date-Revision-yyyymmdd" content="20170405" />
<meta http-equiv="Content-Language" content="en" />
</head>
@@ -27,7 +27,7 @@
<div class="xleft">
- <span id="publishDate">Last Published: 2017-04-04</span>
+ <span id="publishDate">Last Published: 2017-04-05</span>
| <span id="projectVersion">Version: 2.0.0-SNAPSHOT</span>
</div>
<div class="xright"> <a href="./" title="Apache HBase - Annotations">Apache HBase - Annotations</a>