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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/08/16 14:48:26 UTC
[24/51] [partial] hbase-site git commit: Published site at
092efb42749bf7fc6ad338c96aae8e7b9d3a2c74.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f3d62514/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/SampleUploader.Uploader.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/SampleUploader.Uploader.html b/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/SampleUploader.Uploader.html
index cca6b6f..7891753 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/SampleUploader.Uploader.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/SampleUploader.Uploader.html
@@ -43,121 +43,125 @@
<span class="sourceLineNo">035</span>import org.apache.hadoop.util.Tool;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.hadoop.util.ToolRunner;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.yetus.audience.InterfaceAudience;<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> * Sample Uploader MapReduce<a name="line.40"></a>
-<span class="sourceLineNo">041</span> * <p><a name="line.41"></a>
-<span class="sourceLineNo">042</span> * This is EXAMPLE code. You will need to change it to work for your context.<a name="line.42"></a>
+<span class="sourceLineNo">038</span>import org.slf4j.Logger;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.slf4j.LoggerFactory;<a name="line.39"></a>
+<span class="sourceLineNo">040</span><a name="line.40"></a>
+<span class="sourceLineNo">041</span>/**<a name="line.41"></a>
+<span class="sourceLineNo">042</span> * Sample Uploader MapReduce<a name="line.42"></a>
<span class="sourceLineNo">043</span> * <p><a name="line.43"></a>
-<span class="sourceLineNo">044</span> * Uses {@link TableReducer} to put the data into HBase. Change the InputFormat<a name="line.44"></a>
-<span class="sourceLineNo">045</span> * to suit your data. In this example, we are importing a CSV file.<a name="line.45"></a>
-<span class="sourceLineNo">046</span> * <p><a name="line.46"></a>
-<span class="sourceLineNo">047</span> * <pre>row,family,qualifier,value</pre><a name="line.47"></a>
+<span class="sourceLineNo">044</span> * This is EXAMPLE code. You will need to change it to work for your context.<a name="line.44"></a>
+<span class="sourceLineNo">045</span> * <p><a name="line.45"></a>
+<span class="sourceLineNo">046</span> * Uses {@link TableReducer} to put the data into HBase. Change the InputFormat<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * to suit your data. In this example, we are importing a CSV file.<a name="line.47"></a>
<span class="sourceLineNo">048</span> * <p><a name="line.48"></a>
-<span class="sourceLineNo">049</span> * The table and columnfamily we're to insert into must preexist.<a name="line.49"></a>
+<span class="sourceLineNo">049</span> * <pre>row,family,qualifier,value</pre><a name="line.49"></a>
<span class="sourceLineNo">050</span> * <p><a name="line.50"></a>
-<span class="sourceLineNo">051</span> * There is no reducer in this example as it is not necessary and adds<a name="line.51"></a>
-<span class="sourceLineNo">052</span> * significant overhead. If you need to do any massaging of data before<a name="line.52"></a>
-<span class="sourceLineNo">053</span> * inserting into HBase, you can do this in the map as well.<a name="line.53"></a>
-<span class="sourceLineNo">054</span> * <p>Do the following to start the MR job:<a name="line.54"></a>
-<span class="sourceLineNo">055</span> * <pre><a name="line.55"></a>
-<span class="sourceLineNo">056</span> * ./bin/hadoop org.apache.hadoop.hbase.mapreduce.SampleUploader /tmp/input.csv TABLE_NAME<a name="line.56"></a>
-<span class="sourceLineNo">057</span> * </pre><a name="line.57"></a>
-<span class="sourceLineNo">058</span> * <p><a name="line.58"></a>
-<span class="sourceLineNo">059</span> * This code was written against HBase 0.21 trunk.<a name="line.59"></a>
-<span class="sourceLineNo">060</span> */<a name="line.60"></a>
-<span class="sourceLineNo">061</span>@InterfaceAudience.Private<a name="line.61"></a>
-<span class="sourceLineNo">062</span>public class SampleUploader extends Configured implements Tool {<a name="line.62"></a>
-<span class="sourceLineNo">063</span><a name="line.63"></a>
-<span class="sourceLineNo">064</span> private static final String NAME = "SampleUploader";<a name="line.64"></a>
-<span class="sourceLineNo">065</span><a name="line.65"></a>
-<span class="sourceLineNo">066</span> static class Uploader<a name="line.66"></a>
-<span class="sourceLineNo">067</span> extends Mapper<LongWritable, Text, ImmutableBytesWritable, Put> {<a name="line.67"></a>
+<span class="sourceLineNo">051</span> * The table and columnfamily we're to insert into must preexist.<a name="line.51"></a>
+<span class="sourceLineNo">052</span> * <p><a name="line.52"></a>
+<span class="sourceLineNo">053</span> * There is no reducer in this example as it is not necessary and adds<a name="line.53"></a>
+<span class="sourceLineNo">054</span> * significant overhead. If you need to do any massaging of data before<a name="line.54"></a>
+<span class="sourceLineNo">055</span> * inserting into HBase, you can do this in the map as well.<a name="line.55"></a>
+<span class="sourceLineNo">056</span> * <p>Do the following to start the MR job:<a name="line.56"></a>
+<span class="sourceLineNo">057</span> * <pre><a name="line.57"></a>
+<span class="sourceLineNo">058</span> * ./bin/hadoop org.apache.hadoop.hbase.mapreduce.SampleUploader /tmp/input.csv TABLE_NAME<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * </pre><a name="line.59"></a>
+<span class="sourceLineNo">060</span> * <p><a name="line.60"></a>
+<span class="sourceLineNo">061</span> * This code was written against HBase 0.21 trunk.<a name="line.61"></a>
+<span class="sourceLineNo">062</span> */<a name="line.62"></a>
+<span class="sourceLineNo">063</span>@InterfaceAudience.Private<a name="line.63"></a>
+<span class="sourceLineNo">064</span>public class SampleUploader extends Configured implements Tool {<a name="line.64"></a>
+<span class="sourceLineNo">065</span> private static final Logger LOG = LoggerFactory.getLogger(SampleUploader.class);<a name="line.65"></a>
+<span class="sourceLineNo">066</span><a name="line.66"></a>
+<span class="sourceLineNo">067</span> private static final String NAME = "SampleUploader";<a name="line.67"></a>
<span class="sourceLineNo">068</span><a name="line.68"></a>
-<span class="sourceLineNo">069</span> private long checkpoint = 100;<a name="line.69"></a>
-<span class="sourceLineNo">070</span> private long count = 0;<a name="line.70"></a>
+<span class="sourceLineNo">069</span> static class Uploader<a name="line.69"></a>
+<span class="sourceLineNo">070</span> extends Mapper<LongWritable, Text, ImmutableBytesWritable, Put> {<a name="line.70"></a>
<span class="sourceLineNo">071</span><a name="line.71"></a>
-<span class="sourceLineNo">072</span> @Override<a name="line.72"></a>
-<span class="sourceLineNo">073</span> public void map(LongWritable key, Text line, Context context)<a name="line.73"></a>
-<span class="sourceLineNo">074</span> throws IOException {<a name="line.74"></a>
-<span class="sourceLineNo">075</span><a name="line.75"></a>
-<span class="sourceLineNo">076</span> // Input is a CSV file<a name="line.76"></a>
-<span class="sourceLineNo">077</span> // Each map() is a single line, where the key is the line number<a name="line.77"></a>
-<span class="sourceLineNo">078</span> // Each line is comma-delimited; row,family,qualifier,value<a name="line.78"></a>
-<span class="sourceLineNo">079</span><a name="line.79"></a>
-<span class="sourceLineNo">080</span> // Split CSV line<a name="line.80"></a>
-<span class="sourceLineNo">081</span> String [] values = line.toString().split(",");<a name="line.81"></a>
-<span class="sourceLineNo">082</span> if(values.length != 4) {<a name="line.82"></a>
-<span class="sourceLineNo">083</span> return;<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> // Extract each value<a name="line.86"></a>
-<span class="sourceLineNo">087</span> byte [] row = Bytes.toBytes(values[0]);<a name="line.87"></a>
-<span class="sourceLineNo">088</span> byte [] family = Bytes.toBytes(values[1]);<a name="line.88"></a>
-<span class="sourceLineNo">089</span> byte [] qualifier = Bytes.toBytes(values[2]);<a name="line.89"></a>
-<span class="sourceLineNo">090</span> byte [] value = Bytes.toBytes(values[3]);<a name="line.90"></a>
-<span class="sourceLineNo">091</span><a name="line.91"></a>
-<span class="sourceLineNo">092</span> // Create Put<a name="line.92"></a>
-<span class="sourceLineNo">093</span> Put put = new Put(row);<a name="line.93"></a>
-<span class="sourceLineNo">094</span> put.addColumn(family, qualifier, value);<a name="line.94"></a>
-<span class="sourceLineNo">095</span><a name="line.95"></a>
-<span class="sourceLineNo">096</span> // Uncomment below to disable WAL. This will improve performance but means<a name="line.96"></a>
-<span class="sourceLineNo">097</span> // you will experience data loss in the case of a RegionServer crash.<a name="line.97"></a>
-<span class="sourceLineNo">098</span> // put.setWriteToWAL(false);<a name="line.98"></a>
-<span class="sourceLineNo">099</span><a name="line.99"></a>
-<span class="sourceLineNo">100</span> try {<a name="line.100"></a>
-<span class="sourceLineNo">101</span> context.write(new ImmutableBytesWritable(row), put);<a name="line.101"></a>
-<span class="sourceLineNo">102</span> } catch (InterruptedException e) {<a name="line.102"></a>
-<span class="sourceLineNo">103</span> e.printStackTrace();<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> // Set status every checkpoint lines<a name="line.106"></a>
-<span class="sourceLineNo">107</span> if(++count % checkpoint == 0) {<a name="line.107"></a>
-<span class="sourceLineNo">108</span> context.setStatus("Emitting Put " + count);<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> }<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> * Job configuration.<a name="line.114"></a>
-<span class="sourceLineNo">115</span> */<a name="line.115"></a>
-<span class="sourceLineNo">116</span> public static Job configureJob(Configuration conf, String [] args)<a name="line.116"></a>
-<span class="sourceLineNo">117</span> throws IOException {<a name="line.117"></a>
-<span class="sourceLineNo">118</span> Path inputPath = new Path(args[0]);<a name="line.118"></a>
-<span class="sourceLineNo">119</span> String tableName = args[1];<a name="line.119"></a>
-<span class="sourceLineNo">120</span> Job job = new Job(conf, NAME + "_" + tableName);<a name="line.120"></a>
-<span class="sourceLineNo">121</span> job.setJarByClass(Uploader.class);<a name="line.121"></a>
-<span class="sourceLineNo">122</span> FileInputFormat.setInputPaths(job, inputPath);<a name="line.122"></a>
-<span class="sourceLineNo">123</span> job.setInputFormatClass(SequenceFileInputFormat.class);<a name="line.123"></a>
-<span class="sourceLineNo">124</span> job.setMapperClass(Uploader.class);<a name="line.124"></a>
-<span class="sourceLineNo">125</span> // No reducers. Just write straight to table. Call initTableReducerJob<a name="line.125"></a>
-<span class="sourceLineNo">126</span> // because it sets up the TableOutputFormat.<a name="line.126"></a>
-<span class="sourceLineNo">127</span> TableMapReduceUtil.initTableReducerJob(tableName, null, job);<a name="line.127"></a>
-<span class="sourceLineNo">128</span> job.setNumReduceTasks(0);<a name="line.128"></a>
-<span class="sourceLineNo">129</span> return job;<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> * Main entry point.<a name="line.133"></a>
-<span class="sourceLineNo">134</span> *<a name="line.134"></a>
-<span class="sourceLineNo">135</span> * @param otherArgs The command line parameters after ToolRunner handles standard.<a name="line.135"></a>
-<span class="sourceLineNo">136</span> * @throws Exception When running the job fails.<a name="line.136"></a>
-<span class="sourceLineNo">137</span> */<a name="line.137"></a>
-<span class="sourceLineNo">138</span> public int run(String[] otherArgs) throws Exception {<a name="line.138"></a>
-<span class="sourceLineNo">139</span> if(otherArgs.length != 2) {<a name="line.139"></a>
-<span class="sourceLineNo">140</span> System.err.println("Wrong number of arguments: " + otherArgs.length);<a name="line.140"></a>
-<span class="sourceLineNo">141</span> System.err.println("Usage: " + NAME + " <input> <tablename>");<a name="line.141"></a>
-<span class="sourceLineNo">142</span> return -1;<a name="line.142"></a>
-<span class="sourceLineNo">143</span> }<a name="line.143"></a>
-<span class="sourceLineNo">144</span> Job job = configureJob(getConf(), otherArgs);<a name="line.144"></a>
-<span class="sourceLineNo">145</span> return (job.waitForCompletion(true) ? 0 : 1);<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>
-<span class="sourceLineNo">148</span> public static void main(String[] args) throws Exception {<a name="line.148"></a>
-<span class="sourceLineNo">149</span> int status = ToolRunner.run(HBaseConfiguration.create(), new SampleUploader(), args);<a name="line.149"></a>
-<span class="sourceLineNo">150</span> System.exit(status);<a name="line.150"></a>
-<span class="sourceLineNo">151</span> }<a name="line.151"></a>
-<span class="sourceLineNo">152</span>}<a name="line.152"></a>
+<span class="sourceLineNo">072</span> private long checkpoint = 100;<a name="line.72"></a>
+<span class="sourceLineNo">073</span> private long count = 0;<a name="line.73"></a>
+<span class="sourceLineNo">074</span><a name="line.74"></a>
+<span class="sourceLineNo">075</span> @Override<a name="line.75"></a>
+<span class="sourceLineNo">076</span> public void map(LongWritable key, Text line, Context context)<a name="line.76"></a>
+<span class="sourceLineNo">077</span> throws IOException {<a name="line.77"></a>
+<span class="sourceLineNo">078</span><a name="line.78"></a>
+<span class="sourceLineNo">079</span> // Input is a CSV file<a name="line.79"></a>
+<span class="sourceLineNo">080</span> // Each map() is a single line, where the key is the line number<a name="line.80"></a>
+<span class="sourceLineNo">081</span> // Each line is comma-delimited; row,family,qualifier,value<a name="line.81"></a>
+<span class="sourceLineNo">082</span><a name="line.82"></a>
+<span class="sourceLineNo">083</span> // Split CSV line<a name="line.83"></a>
+<span class="sourceLineNo">084</span> String [] values = line.toString().split(",");<a name="line.84"></a>
+<span class="sourceLineNo">085</span> if(values.length != 4) {<a name="line.85"></a>
+<span class="sourceLineNo">086</span> return;<a name="line.86"></a>
+<span class="sourceLineNo">087</span> }<a name="line.87"></a>
+<span class="sourceLineNo">088</span><a name="line.88"></a>
+<span class="sourceLineNo">089</span> // Extract each value<a name="line.89"></a>
+<span class="sourceLineNo">090</span> byte [] row = Bytes.toBytes(values[0]);<a name="line.90"></a>
+<span class="sourceLineNo">091</span> byte [] family = Bytes.toBytes(values[1]);<a name="line.91"></a>
+<span class="sourceLineNo">092</span> byte [] qualifier = Bytes.toBytes(values[2]);<a name="line.92"></a>
+<span class="sourceLineNo">093</span> byte [] value = Bytes.toBytes(values[3]);<a name="line.93"></a>
+<span class="sourceLineNo">094</span><a name="line.94"></a>
+<span class="sourceLineNo">095</span> // Create Put<a name="line.95"></a>
+<span class="sourceLineNo">096</span> Put put = new Put(row);<a name="line.96"></a>
+<span class="sourceLineNo">097</span> put.addColumn(family, qualifier, value);<a name="line.97"></a>
+<span class="sourceLineNo">098</span><a name="line.98"></a>
+<span class="sourceLineNo">099</span> // Uncomment below to disable WAL. This will improve performance but means<a name="line.99"></a>
+<span class="sourceLineNo">100</span> // you will experience data loss in the case of a RegionServer crash.<a name="line.100"></a>
+<span class="sourceLineNo">101</span> // put.setWriteToWAL(false);<a name="line.101"></a>
+<span class="sourceLineNo">102</span><a name="line.102"></a>
+<span class="sourceLineNo">103</span> try {<a name="line.103"></a>
+<span class="sourceLineNo">104</span> context.write(new ImmutableBytesWritable(row), put);<a name="line.104"></a>
+<span class="sourceLineNo">105</span> } catch (InterruptedException e) {<a name="line.105"></a>
+<span class="sourceLineNo">106</span> LOG.error("Interrupted emitting put", e);<a name="line.106"></a>
+<span class="sourceLineNo">107</span> Thread.currentThread().interrupt();<a name="line.107"></a>
+<span class="sourceLineNo">108</span> }<a name="line.108"></a>
+<span class="sourceLineNo">109</span><a name="line.109"></a>
+<span class="sourceLineNo">110</span> // Set status every checkpoint lines<a name="line.110"></a>
+<span class="sourceLineNo">111</span> if(++count % checkpoint == 0) {<a name="line.111"></a>
+<span class="sourceLineNo">112</span> context.setStatus("Emitting Put " + count);<a name="line.112"></a>
+<span class="sourceLineNo">113</span> }<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><a name="line.116"></a>
+<span class="sourceLineNo">117</span> /**<a name="line.117"></a>
+<span class="sourceLineNo">118</span> * Job configuration.<a name="line.118"></a>
+<span class="sourceLineNo">119</span> */<a name="line.119"></a>
+<span class="sourceLineNo">120</span> public static Job configureJob(Configuration conf, String [] args)<a name="line.120"></a>
+<span class="sourceLineNo">121</span> throws IOException {<a name="line.121"></a>
+<span class="sourceLineNo">122</span> Path inputPath = new Path(args[0]);<a name="line.122"></a>
+<span class="sourceLineNo">123</span> String tableName = args[1];<a name="line.123"></a>
+<span class="sourceLineNo">124</span> Job job = new Job(conf, NAME + "_" + tableName);<a name="line.124"></a>
+<span class="sourceLineNo">125</span> job.setJarByClass(Uploader.class);<a name="line.125"></a>
+<span class="sourceLineNo">126</span> FileInputFormat.setInputPaths(job, inputPath);<a name="line.126"></a>
+<span class="sourceLineNo">127</span> job.setInputFormatClass(SequenceFileInputFormat.class);<a name="line.127"></a>
+<span class="sourceLineNo">128</span> job.setMapperClass(Uploader.class);<a name="line.128"></a>
+<span class="sourceLineNo">129</span> // No reducers. Just write straight to table. Call initTableReducerJob<a name="line.129"></a>
+<span class="sourceLineNo">130</span> // because it sets up the TableOutputFormat.<a name="line.130"></a>
+<span class="sourceLineNo">131</span> TableMapReduceUtil.initTableReducerJob(tableName, null, job);<a name="line.131"></a>
+<span class="sourceLineNo">132</span> job.setNumReduceTasks(0);<a name="line.132"></a>
+<span class="sourceLineNo">133</span> return job;<a name="line.133"></a>
+<span class="sourceLineNo">134</span> }<a name="line.134"></a>
+<span class="sourceLineNo">135</span><a name="line.135"></a>
+<span class="sourceLineNo">136</span> /**<a name="line.136"></a>
+<span class="sourceLineNo">137</span> * Main entry point.<a name="line.137"></a>
+<span class="sourceLineNo">138</span> *<a name="line.138"></a>
+<span class="sourceLineNo">139</span> * @param otherArgs The command line parameters after ToolRunner handles standard.<a name="line.139"></a>
+<span class="sourceLineNo">140</span> * @throws Exception When running the job fails.<a name="line.140"></a>
+<span class="sourceLineNo">141</span> */<a name="line.141"></a>
+<span class="sourceLineNo">142</span> public int run(String[] otherArgs) throws Exception {<a name="line.142"></a>
+<span class="sourceLineNo">143</span> if(otherArgs.length != 2) {<a name="line.143"></a>
+<span class="sourceLineNo">144</span> System.err.println("Wrong number of arguments: " + otherArgs.length);<a name="line.144"></a>
+<span class="sourceLineNo">145</span> System.err.println("Usage: " + NAME + " <input> <tablename>");<a name="line.145"></a>
+<span class="sourceLineNo">146</span> return -1;<a name="line.146"></a>
+<span class="sourceLineNo">147</span> }<a name="line.147"></a>
+<span class="sourceLineNo">148</span> Job job = configureJob(getConf(), otherArgs);<a name="line.148"></a>
+<span class="sourceLineNo">149</span> return (job.waitForCompletion(true) ? 0 : 1);<a name="line.149"></a>
+<span class="sourceLineNo">150</span> }<a name="line.150"></a>
+<span class="sourceLineNo">151</span><a name="line.151"></a>
+<span class="sourceLineNo">152</span> public static void main(String[] args) throws Exception {<a name="line.152"></a>
+<span class="sourceLineNo">153</span> int status = ToolRunner.run(HBaseConfiguration.create(), new SampleUploader(), args);<a name="line.153"></a>
+<span class="sourceLineNo">154</span> System.exit(status);<a name="line.154"></a>
+<span class="sourceLineNo">155</span> }<a name="line.155"></a>
+<span class="sourceLineNo">156</span>}<a name="line.156"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f3d62514/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/SampleUploader.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/SampleUploader.html b/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/SampleUploader.html
index cca6b6f..7891753 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/SampleUploader.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/SampleUploader.html
@@ -43,121 +43,125 @@
<span class="sourceLineNo">035</span>import org.apache.hadoop.util.Tool;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.hadoop.util.ToolRunner;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.yetus.audience.InterfaceAudience;<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> * Sample Uploader MapReduce<a name="line.40"></a>
-<span class="sourceLineNo">041</span> * <p><a name="line.41"></a>
-<span class="sourceLineNo">042</span> * This is EXAMPLE code. You will need to change it to work for your context.<a name="line.42"></a>
+<span class="sourceLineNo">038</span>import org.slf4j.Logger;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.slf4j.LoggerFactory;<a name="line.39"></a>
+<span class="sourceLineNo">040</span><a name="line.40"></a>
+<span class="sourceLineNo">041</span>/**<a name="line.41"></a>
+<span class="sourceLineNo">042</span> * Sample Uploader MapReduce<a name="line.42"></a>
<span class="sourceLineNo">043</span> * <p><a name="line.43"></a>
-<span class="sourceLineNo">044</span> * Uses {@link TableReducer} to put the data into HBase. Change the InputFormat<a name="line.44"></a>
-<span class="sourceLineNo">045</span> * to suit your data. In this example, we are importing a CSV file.<a name="line.45"></a>
-<span class="sourceLineNo">046</span> * <p><a name="line.46"></a>
-<span class="sourceLineNo">047</span> * <pre>row,family,qualifier,value</pre><a name="line.47"></a>
+<span class="sourceLineNo">044</span> * This is EXAMPLE code. You will need to change it to work for your context.<a name="line.44"></a>
+<span class="sourceLineNo">045</span> * <p><a name="line.45"></a>
+<span class="sourceLineNo">046</span> * Uses {@link TableReducer} to put the data into HBase. Change the InputFormat<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * to suit your data. In this example, we are importing a CSV file.<a name="line.47"></a>
<span class="sourceLineNo">048</span> * <p><a name="line.48"></a>
-<span class="sourceLineNo">049</span> * The table and columnfamily we're to insert into must preexist.<a name="line.49"></a>
+<span class="sourceLineNo">049</span> * <pre>row,family,qualifier,value</pre><a name="line.49"></a>
<span class="sourceLineNo">050</span> * <p><a name="line.50"></a>
-<span class="sourceLineNo">051</span> * There is no reducer in this example as it is not necessary and adds<a name="line.51"></a>
-<span class="sourceLineNo">052</span> * significant overhead. If you need to do any massaging of data before<a name="line.52"></a>
-<span class="sourceLineNo">053</span> * inserting into HBase, you can do this in the map as well.<a name="line.53"></a>
-<span class="sourceLineNo">054</span> * <p>Do the following to start the MR job:<a name="line.54"></a>
-<span class="sourceLineNo">055</span> * <pre><a name="line.55"></a>
-<span class="sourceLineNo">056</span> * ./bin/hadoop org.apache.hadoop.hbase.mapreduce.SampleUploader /tmp/input.csv TABLE_NAME<a name="line.56"></a>
-<span class="sourceLineNo">057</span> * </pre><a name="line.57"></a>
-<span class="sourceLineNo">058</span> * <p><a name="line.58"></a>
-<span class="sourceLineNo">059</span> * This code was written against HBase 0.21 trunk.<a name="line.59"></a>
-<span class="sourceLineNo">060</span> */<a name="line.60"></a>
-<span class="sourceLineNo">061</span>@InterfaceAudience.Private<a name="line.61"></a>
-<span class="sourceLineNo">062</span>public class SampleUploader extends Configured implements Tool {<a name="line.62"></a>
-<span class="sourceLineNo">063</span><a name="line.63"></a>
-<span class="sourceLineNo">064</span> private static final String NAME = "SampleUploader";<a name="line.64"></a>
-<span class="sourceLineNo">065</span><a name="line.65"></a>
-<span class="sourceLineNo">066</span> static class Uploader<a name="line.66"></a>
-<span class="sourceLineNo">067</span> extends Mapper<LongWritable, Text, ImmutableBytesWritable, Put> {<a name="line.67"></a>
+<span class="sourceLineNo">051</span> * The table and columnfamily we're to insert into must preexist.<a name="line.51"></a>
+<span class="sourceLineNo">052</span> * <p><a name="line.52"></a>
+<span class="sourceLineNo">053</span> * There is no reducer in this example as it is not necessary and adds<a name="line.53"></a>
+<span class="sourceLineNo">054</span> * significant overhead. If you need to do any massaging of data before<a name="line.54"></a>
+<span class="sourceLineNo">055</span> * inserting into HBase, you can do this in the map as well.<a name="line.55"></a>
+<span class="sourceLineNo">056</span> * <p>Do the following to start the MR job:<a name="line.56"></a>
+<span class="sourceLineNo">057</span> * <pre><a name="line.57"></a>
+<span class="sourceLineNo">058</span> * ./bin/hadoop org.apache.hadoop.hbase.mapreduce.SampleUploader /tmp/input.csv TABLE_NAME<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * </pre><a name="line.59"></a>
+<span class="sourceLineNo">060</span> * <p><a name="line.60"></a>
+<span class="sourceLineNo">061</span> * This code was written against HBase 0.21 trunk.<a name="line.61"></a>
+<span class="sourceLineNo">062</span> */<a name="line.62"></a>
+<span class="sourceLineNo">063</span>@InterfaceAudience.Private<a name="line.63"></a>
+<span class="sourceLineNo">064</span>public class SampleUploader extends Configured implements Tool {<a name="line.64"></a>
+<span class="sourceLineNo">065</span> private static final Logger LOG = LoggerFactory.getLogger(SampleUploader.class);<a name="line.65"></a>
+<span class="sourceLineNo">066</span><a name="line.66"></a>
+<span class="sourceLineNo">067</span> private static final String NAME = "SampleUploader";<a name="line.67"></a>
<span class="sourceLineNo">068</span><a name="line.68"></a>
-<span class="sourceLineNo">069</span> private long checkpoint = 100;<a name="line.69"></a>
-<span class="sourceLineNo">070</span> private long count = 0;<a name="line.70"></a>
+<span class="sourceLineNo">069</span> static class Uploader<a name="line.69"></a>
+<span class="sourceLineNo">070</span> extends Mapper<LongWritable, Text, ImmutableBytesWritable, Put> {<a name="line.70"></a>
<span class="sourceLineNo">071</span><a name="line.71"></a>
-<span class="sourceLineNo">072</span> @Override<a name="line.72"></a>
-<span class="sourceLineNo">073</span> public void map(LongWritable key, Text line, Context context)<a name="line.73"></a>
-<span class="sourceLineNo">074</span> throws IOException {<a name="line.74"></a>
-<span class="sourceLineNo">075</span><a name="line.75"></a>
-<span class="sourceLineNo">076</span> // Input is a CSV file<a name="line.76"></a>
-<span class="sourceLineNo">077</span> // Each map() is a single line, where the key is the line number<a name="line.77"></a>
-<span class="sourceLineNo">078</span> // Each line is comma-delimited; row,family,qualifier,value<a name="line.78"></a>
-<span class="sourceLineNo">079</span><a name="line.79"></a>
-<span class="sourceLineNo">080</span> // Split CSV line<a name="line.80"></a>
-<span class="sourceLineNo">081</span> String [] values = line.toString().split(",");<a name="line.81"></a>
-<span class="sourceLineNo">082</span> if(values.length != 4) {<a name="line.82"></a>
-<span class="sourceLineNo">083</span> return;<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> // Extract each value<a name="line.86"></a>
-<span class="sourceLineNo">087</span> byte [] row = Bytes.toBytes(values[0]);<a name="line.87"></a>
-<span class="sourceLineNo">088</span> byte [] family = Bytes.toBytes(values[1]);<a name="line.88"></a>
-<span class="sourceLineNo">089</span> byte [] qualifier = Bytes.toBytes(values[2]);<a name="line.89"></a>
-<span class="sourceLineNo">090</span> byte [] value = Bytes.toBytes(values[3]);<a name="line.90"></a>
-<span class="sourceLineNo">091</span><a name="line.91"></a>
-<span class="sourceLineNo">092</span> // Create Put<a name="line.92"></a>
-<span class="sourceLineNo">093</span> Put put = new Put(row);<a name="line.93"></a>
-<span class="sourceLineNo">094</span> put.addColumn(family, qualifier, value);<a name="line.94"></a>
-<span class="sourceLineNo">095</span><a name="line.95"></a>
-<span class="sourceLineNo">096</span> // Uncomment below to disable WAL. This will improve performance but means<a name="line.96"></a>
-<span class="sourceLineNo">097</span> // you will experience data loss in the case of a RegionServer crash.<a name="line.97"></a>
-<span class="sourceLineNo">098</span> // put.setWriteToWAL(false);<a name="line.98"></a>
-<span class="sourceLineNo">099</span><a name="line.99"></a>
-<span class="sourceLineNo">100</span> try {<a name="line.100"></a>
-<span class="sourceLineNo">101</span> context.write(new ImmutableBytesWritable(row), put);<a name="line.101"></a>
-<span class="sourceLineNo">102</span> } catch (InterruptedException e) {<a name="line.102"></a>
-<span class="sourceLineNo">103</span> e.printStackTrace();<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> // Set status every checkpoint lines<a name="line.106"></a>
-<span class="sourceLineNo">107</span> if(++count % checkpoint == 0) {<a name="line.107"></a>
-<span class="sourceLineNo">108</span> context.setStatus("Emitting Put " + count);<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> }<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> * Job configuration.<a name="line.114"></a>
-<span class="sourceLineNo">115</span> */<a name="line.115"></a>
-<span class="sourceLineNo">116</span> public static Job configureJob(Configuration conf, String [] args)<a name="line.116"></a>
-<span class="sourceLineNo">117</span> throws IOException {<a name="line.117"></a>
-<span class="sourceLineNo">118</span> Path inputPath = new Path(args[0]);<a name="line.118"></a>
-<span class="sourceLineNo">119</span> String tableName = args[1];<a name="line.119"></a>
-<span class="sourceLineNo">120</span> Job job = new Job(conf, NAME + "_" + tableName);<a name="line.120"></a>
-<span class="sourceLineNo">121</span> job.setJarByClass(Uploader.class);<a name="line.121"></a>
-<span class="sourceLineNo">122</span> FileInputFormat.setInputPaths(job, inputPath);<a name="line.122"></a>
-<span class="sourceLineNo">123</span> job.setInputFormatClass(SequenceFileInputFormat.class);<a name="line.123"></a>
-<span class="sourceLineNo">124</span> job.setMapperClass(Uploader.class);<a name="line.124"></a>
-<span class="sourceLineNo">125</span> // No reducers. Just write straight to table. Call initTableReducerJob<a name="line.125"></a>
-<span class="sourceLineNo">126</span> // because it sets up the TableOutputFormat.<a name="line.126"></a>
-<span class="sourceLineNo">127</span> TableMapReduceUtil.initTableReducerJob(tableName, null, job);<a name="line.127"></a>
-<span class="sourceLineNo">128</span> job.setNumReduceTasks(0);<a name="line.128"></a>
-<span class="sourceLineNo">129</span> return job;<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> * Main entry point.<a name="line.133"></a>
-<span class="sourceLineNo">134</span> *<a name="line.134"></a>
-<span class="sourceLineNo">135</span> * @param otherArgs The command line parameters after ToolRunner handles standard.<a name="line.135"></a>
-<span class="sourceLineNo">136</span> * @throws Exception When running the job fails.<a name="line.136"></a>
-<span class="sourceLineNo">137</span> */<a name="line.137"></a>
-<span class="sourceLineNo">138</span> public int run(String[] otherArgs) throws Exception {<a name="line.138"></a>
-<span class="sourceLineNo">139</span> if(otherArgs.length != 2) {<a name="line.139"></a>
-<span class="sourceLineNo">140</span> System.err.println("Wrong number of arguments: " + otherArgs.length);<a name="line.140"></a>
-<span class="sourceLineNo">141</span> System.err.println("Usage: " + NAME + " <input> <tablename>");<a name="line.141"></a>
-<span class="sourceLineNo">142</span> return -1;<a name="line.142"></a>
-<span class="sourceLineNo">143</span> }<a name="line.143"></a>
-<span class="sourceLineNo">144</span> Job job = configureJob(getConf(), otherArgs);<a name="line.144"></a>
-<span class="sourceLineNo">145</span> return (job.waitForCompletion(true) ? 0 : 1);<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>
-<span class="sourceLineNo">148</span> public static void main(String[] args) throws Exception {<a name="line.148"></a>
-<span class="sourceLineNo">149</span> int status = ToolRunner.run(HBaseConfiguration.create(), new SampleUploader(), args);<a name="line.149"></a>
-<span class="sourceLineNo">150</span> System.exit(status);<a name="line.150"></a>
-<span class="sourceLineNo">151</span> }<a name="line.151"></a>
-<span class="sourceLineNo">152</span>}<a name="line.152"></a>
+<span class="sourceLineNo">072</span> private long checkpoint = 100;<a name="line.72"></a>
+<span class="sourceLineNo">073</span> private long count = 0;<a name="line.73"></a>
+<span class="sourceLineNo">074</span><a name="line.74"></a>
+<span class="sourceLineNo">075</span> @Override<a name="line.75"></a>
+<span class="sourceLineNo">076</span> public void map(LongWritable key, Text line, Context context)<a name="line.76"></a>
+<span class="sourceLineNo">077</span> throws IOException {<a name="line.77"></a>
+<span class="sourceLineNo">078</span><a name="line.78"></a>
+<span class="sourceLineNo">079</span> // Input is a CSV file<a name="line.79"></a>
+<span class="sourceLineNo">080</span> // Each map() is a single line, where the key is the line number<a name="line.80"></a>
+<span class="sourceLineNo">081</span> // Each line is comma-delimited; row,family,qualifier,value<a name="line.81"></a>
+<span class="sourceLineNo">082</span><a name="line.82"></a>
+<span class="sourceLineNo">083</span> // Split CSV line<a name="line.83"></a>
+<span class="sourceLineNo">084</span> String [] values = line.toString().split(",");<a name="line.84"></a>
+<span class="sourceLineNo">085</span> if(values.length != 4) {<a name="line.85"></a>
+<span class="sourceLineNo">086</span> return;<a name="line.86"></a>
+<span class="sourceLineNo">087</span> }<a name="line.87"></a>
+<span class="sourceLineNo">088</span><a name="line.88"></a>
+<span class="sourceLineNo">089</span> // Extract each value<a name="line.89"></a>
+<span class="sourceLineNo">090</span> byte [] row = Bytes.toBytes(values[0]);<a name="line.90"></a>
+<span class="sourceLineNo">091</span> byte [] family = Bytes.toBytes(values[1]);<a name="line.91"></a>
+<span class="sourceLineNo">092</span> byte [] qualifier = Bytes.toBytes(values[2]);<a name="line.92"></a>
+<span class="sourceLineNo">093</span> byte [] value = Bytes.toBytes(values[3]);<a name="line.93"></a>
+<span class="sourceLineNo">094</span><a name="line.94"></a>
+<span class="sourceLineNo">095</span> // Create Put<a name="line.95"></a>
+<span class="sourceLineNo">096</span> Put put = new Put(row);<a name="line.96"></a>
+<span class="sourceLineNo">097</span> put.addColumn(family, qualifier, value);<a name="line.97"></a>
+<span class="sourceLineNo">098</span><a name="line.98"></a>
+<span class="sourceLineNo">099</span> // Uncomment below to disable WAL. This will improve performance but means<a name="line.99"></a>
+<span class="sourceLineNo">100</span> // you will experience data loss in the case of a RegionServer crash.<a name="line.100"></a>
+<span class="sourceLineNo">101</span> // put.setWriteToWAL(false);<a name="line.101"></a>
+<span class="sourceLineNo">102</span><a name="line.102"></a>
+<span class="sourceLineNo">103</span> try {<a name="line.103"></a>
+<span class="sourceLineNo">104</span> context.write(new ImmutableBytesWritable(row), put);<a name="line.104"></a>
+<span class="sourceLineNo">105</span> } catch (InterruptedException e) {<a name="line.105"></a>
+<span class="sourceLineNo">106</span> LOG.error("Interrupted emitting put", e);<a name="line.106"></a>
+<span class="sourceLineNo">107</span> Thread.currentThread().interrupt();<a name="line.107"></a>
+<span class="sourceLineNo">108</span> }<a name="line.108"></a>
+<span class="sourceLineNo">109</span><a name="line.109"></a>
+<span class="sourceLineNo">110</span> // Set status every checkpoint lines<a name="line.110"></a>
+<span class="sourceLineNo">111</span> if(++count % checkpoint == 0) {<a name="line.111"></a>
+<span class="sourceLineNo">112</span> context.setStatus("Emitting Put " + count);<a name="line.112"></a>
+<span class="sourceLineNo">113</span> }<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><a name="line.116"></a>
+<span class="sourceLineNo">117</span> /**<a name="line.117"></a>
+<span class="sourceLineNo">118</span> * Job configuration.<a name="line.118"></a>
+<span class="sourceLineNo">119</span> */<a name="line.119"></a>
+<span class="sourceLineNo">120</span> public static Job configureJob(Configuration conf, String [] args)<a name="line.120"></a>
+<span class="sourceLineNo">121</span> throws IOException {<a name="line.121"></a>
+<span class="sourceLineNo">122</span> Path inputPath = new Path(args[0]);<a name="line.122"></a>
+<span class="sourceLineNo">123</span> String tableName = args[1];<a name="line.123"></a>
+<span class="sourceLineNo">124</span> Job job = new Job(conf, NAME + "_" + tableName);<a name="line.124"></a>
+<span class="sourceLineNo">125</span> job.setJarByClass(Uploader.class);<a name="line.125"></a>
+<span class="sourceLineNo">126</span> FileInputFormat.setInputPaths(job, inputPath);<a name="line.126"></a>
+<span class="sourceLineNo">127</span> job.setInputFormatClass(SequenceFileInputFormat.class);<a name="line.127"></a>
+<span class="sourceLineNo">128</span> job.setMapperClass(Uploader.class);<a name="line.128"></a>
+<span class="sourceLineNo">129</span> // No reducers. Just write straight to table. Call initTableReducerJob<a name="line.129"></a>
+<span class="sourceLineNo">130</span> // because it sets up the TableOutputFormat.<a name="line.130"></a>
+<span class="sourceLineNo">131</span> TableMapReduceUtil.initTableReducerJob(tableName, null, job);<a name="line.131"></a>
+<span class="sourceLineNo">132</span> job.setNumReduceTasks(0);<a name="line.132"></a>
+<span class="sourceLineNo">133</span> return job;<a name="line.133"></a>
+<span class="sourceLineNo">134</span> }<a name="line.134"></a>
+<span class="sourceLineNo">135</span><a name="line.135"></a>
+<span class="sourceLineNo">136</span> /**<a name="line.136"></a>
+<span class="sourceLineNo">137</span> * Main entry point.<a name="line.137"></a>
+<span class="sourceLineNo">138</span> *<a name="line.138"></a>
+<span class="sourceLineNo">139</span> * @param otherArgs The command line parameters after ToolRunner handles standard.<a name="line.139"></a>
+<span class="sourceLineNo">140</span> * @throws Exception When running the job fails.<a name="line.140"></a>
+<span class="sourceLineNo">141</span> */<a name="line.141"></a>
+<span class="sourceLineNo">142</span> public int run(String[] otherArgs) throws Exception {<a name="line.142"></a>
+<span class="sourceLineNo">143</span> if(otherArgs.length != 2) {<a name="line.143"></a>
+<span class="sourceLineNo">144</span> System.err.println("Wrong number of arguments: " + otherArgs.length);<a name="line.144"></a>
+<span class="sourceLineNo">145</span> System.err.println("Usage: " + NAME + " <input> <tablename>");<a name="line.145"></a>
+<span class="sourceLineNo">146</span> return -1;<a name="line.146"></a>
+<span class="sourceLineNo">147</span> }<a name="line.147"></a>
+<span class="sourceLineNo">148</span> Job job = configureJob(getConf(), otherArgs);<a name="line.148"></a>
+<span class="sourceLineNo">149</span> return (job.waitForCompletion(true) ? 0 : 1);<a name="line.149"></a>
+<span class="sourceLineNo">150</span> }<a name="line.150"></a>
+<span class="sourceLineNo">151</span><a name="line.151"></a>
+<span class="sourceLineNo">152</span> public static void main(String[] args) throws Exception {<a name="line.152"></a>
+<span class="sourceLineNo">153</span> int status = ToolRunner.run(HBaseConfiguration.create(), new SampleUploader(), args);<a name="line.153"></a>
+<span class="sourceLineNo">154</span> System.exit(status);<a name="line.154"></a>
+<span class="sourceLineNo">155</span> }<a name="line.155"></a>
+<span class="sourceLineNo">156</span>}<a name="line.156"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f3d62514/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/SyncTable.SyncMapper.CellScanner.html
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diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/SyncTable.SyncMapper.CellScanner.html b/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/SyncTable.SyncMapper.CellScanner.html
index b6817d9..cb461aa 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/SyncTable.SyncMapper.CellScanner.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/SyncTable.SyncMapper.CellScanner.html
@@ -787,7 +787,7 @@
<span class="sourceLineNo">779</span><a name="line.779"></a>
<span class="sourceLineNo">780</span><a name="line.780"></a>
<span class="sourceLineNo">781</span> } catch (Exception e) {<a name="line.781"></a>
-<span class="sourceLineNo">782</span> e.printStackTrace();<a name="line.782"></a>
+<span class="sourceLineNo">782</span> LOG.error("Failed to parse commandLine arguments", e);<a name="line.782"></a>
<span class="sourceLineNo">783</span> printUsage("Can't start because " + e.getMessage());<a name="line.783"></a>
<span class="sourceLineNo">784</span> return false;<a name="line.784"></a>
<span class="sourceLineNo">785</span> }<a name="line.785"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f3d62514/devapidocs/src-html/org/apache/hadoop/hbase/mapreduce/SyncTable.SyncMapper.Counter.html
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