http://git-wip-us.apache.org/repos/asf/hbase-site/blob/387c1112/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/Import.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/Import.html b/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/Import.html index 2a53dcd..0171340 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/Import.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/Import.html @@ -69,723 +69,725 @@ <span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.filter.Filter;<a name="line.61"></a> <span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.io.ImmutableBytesWritable;<a name="line.62"></a> <span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.63"></a> -<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.zookeeper.ZKClusterId;<a name="line.64"></a> -<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;<a name="line.65"></a> -<span class="sourceLineNo">066</span>import org.apache.hadoop.io.RawComparator;<a name="line.66"></a> -<span class="sourceLineNo">067</span>import org.apache.hadoop.io.WritableComparable;<a name="line.67"></a> -<span class="sourceLineNo">068</span>import org.apache.hadoop.io.WritableComparator;<a name="line.68"></a> -<span class="sourceLineNo">069</span>import org.apache.hadoop.mapreduce.Job;<a name="line.69"></a> -<span class="sourceLineNo">070</span>import org.apache.hadoop.mapreduce.Partitioner;<a name="line.70"></a> -<span class="sourceLineNo">071</span>import org.apache.hadoop.mapreduce.Reducer;<a name="line.71"></a> -<span class="sourceLineNo">072</span>import org.apache.hadoop.mapreduce.TaskCounter;<a name="line.72"></a> -<span class="sourceLineNo">073</span>import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;<a name="line.73"></a> -<span class="sourceLineNo">074</span>import org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFormat;<a name="line.74"></a> -<span class="sourceLineNo">075</span>import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;<a name="line.75"></a> -<span class="sourceLineNo">076</span>import org.apache.hadoop.mapreduce.lib.partition.TotalOrderPartitioner;<a name="line.76"></a> -<span class="sourceLineNo">077</span>import org.apache.hadoop.util.Tool;<a name="line.77"></a> -<span class="sourceLineNo">078</span>import org.apache.hadoop.util.ToolRunner;<a name="line.78"></a> -<span class="sourceLineNo">079</span>import org.apache.zookeeper.KeeperException;<a name="line.79"></a> -<span class="sourceLineNo">080</span><a name="line.80"></a> +<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.util.MapReduceCell;<a name="line.64"></a> +<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.zookeeper.ZKClusterId;<a name="line.65"></a> +<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;<a name="line.66"></a> +<span class="sourceLineNo">067</span>import org.apache.hadoop.io.RawComparator;<a name="line.67"></a> +<span class="sourceLineNo">068</span>import org.apache.hadoop.io.WritableComparable;<a name="line.68"></a> +<span class="sourceLineNo">069</span>import org.apache.hadoop.io.WritableComparator;<a name="line.69"></a> +<span class="sourceLineNo">070</span>import org.apache.hadoop.mapreduce.Job;<a name="line.70"></a> +<span class="sourceLineNo">071</span>import org.apache.hadoop.mapreduce.Partitioner;<a name="line.71"></a> +<span class="sourceLineNo">072</span>import org.apache.hadoop.mapreduce.Reducer;<a name="line.72"></a> +<span class="sourceLineNo">073</span>import org.apache.hadoop.mapreduce.TaskCounter;<a name="line.73"></a> +<span class="sourceLineNo">074</span>import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;<a name="line.74"></a> +<span class="sourceLineNo">075</span>import org.apache.hadoop.mapreduce.lib.input.SequenceFileInputFormat;<a name="line.75"></a> +<span class="sourceLineNo">076</span>import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;<a name="line.76"></a> +<span class="sourceLineNo">077</span>import org.apache.hadoop.mapreduce.lib.partition.TotalOrderPartitioner;<a name="line.77"></a> +<span class="sourceLineNo">078</span>import org.apache.hadoop.util.Tool;<a name="line.78"></a> +<span class="sourceLineNo">079</span>import org.apache.hadoop.util.ToolRunner;<a name="line.79"></a> +<span class="sourceLineNo">080</span>import org.apache.zookeeper.KeeperException;<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> * Import data written by {@link Export}.<a name="line.83"></a> -<span class="sourceLineNo">084</span> */<a name="line.84"></a> -<span class="sourceLineNo">085</span>@InterfaceAudience.Public<a name="line.85"></a> -<span class="sourceLineNo">086</span>public class Import extends Configured implements Tool {<a name="line.86"></a> -<span class="sourceLineNo">087</span> private static final Log LOG = LogFactory.getLog(Import.class);<a name="line.87"></a> -<span class="sourceLineNo">088</span> final static String NAME = "import";<a name="line.88"></a> -<span class="sourceLineNo">089</span> public final static String CF_RENAME_PROP = "HBASE_IMPORTER_RENAME_CFS";<a name="line.89"></a> -<span class="sourceLineNo">090</span> public final static String BULK_OUTPUT_CONF_KEY = "import.bulk.output";<a name="line.90"></a> -<span class="sourceLineNo">091</span> public final static String FILTER_CLASS_CONF_KEY = "import.filter.class";<a name="line.91"></a> -<span class="sourceLineNo">092</span> public final static String FILTER_ARGS_CONF_KEY = "import.filter.args";<a name="line.92"></a> -<span class="sourceLineNo">093</span> public final static String TABLE_NAME = "import.table.name";<a name="line.93"></a> -<span class="sourceLineNo">094</span> public final static String WAL_DURABILITY = "import.wal.durability";<a name="line.94"></a> -<span class="sourceLineNo">095</span> public final static String HAS_LARGE_RESULT= "import.bulk.hasLargeResult";<a name="line.95"></a> -<span class="sourceLineNo">096</span><a name="line.96"></a> -<span class="sourceLineNo">097</span> private final static String JOB_NAME_CONF_KEY = "mapreduce.job.name";<a name="line.97"></a> -<span class="sourceLineNo">098</span><a name="line.98"></a> -<span class="sourceLineNo">099</span> public static class KeyValueWritableComparablePartitioner<a name="line.99"></a> -<span class="sourceLineNo">100</span> extends Partitioner<KeyValueWritableComparable, KeyValue> {<a name="line.100"></a> -<span class="sourceLineNo">101</span> private static KeyValueWritableComparable[] START_KEYS = null;<a name="line.101"></a> -<span class="sourceLineNo">102</span> @Override<a name="line.102"></a> -<span class="sourceLineNo">103</span> public int getPartition(KeyValueWritableComparable key, KeyValue value,<a name="line.103"></a> -<span class="sourceLineNo">104</span> int numPartitions) {<a name="line.104"></a> -<span class="sourceLineNo">105</span> for (int i = 0; i < START_KEYS.length; ++i) {<a name="line.105"></a> -<span class="sourceLineNo">106</span> if (key.compareTo(START_KEYS[i]) <= 0) {<a name="line.106"></a> -<span class="sourceLineNo">107</span> return i;<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> return START_KEYS.length;<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><a name="line.114"></a> -<span class="sourceLineNo">115</span> public static class KeyValueWritableComparable<a name="line.115"></a> -<span class="sourceLineNo">116</span> implements WritableComparable<KeyValueWritableComparable> {<a name="line.116"></a> -<span class="sourceLineNo">117</span><a name="line.117"></a> -<span class="sourceLineNo">118</span> private KeyValue kv = null;<a name="line.118"></a> -<span class="sourceLineNo">119</span><a name="line.119"></a> -<span class="sourceLineNo">120</span> static {<a name="line.120"></a> -<span class="sourceLineNo">121</span> // register this comparator<a name="line.121"></a> -<span class="sourceLineNo">122</span> WritableComparator.define(KeyValueWritableComparable.class,<a name="line.122"></a> -<span class="sourceLineNo">123</span> new KeyValueWritableComparator());<a name="line.123"></a> -<span class="sourceLineNo">124</span> }<a name="line.124"></a> -<span class="sourceLineNo">125</span><a name="line.125"></a> -<span class="sourceLineNo">126</span> public KeyValueWritableComparable() {<a name="line.126"></a> -<span class="sourceLineNo">127</span> }<a name="line.127"></a> -<span class="sourceLineNo">128</span><a name="line.128"></a> -<span class="sourceLineNo">129</span> public KeyValueWritableComparable(KeyValue kv) {<a name="line.129"></a> -<span class="sourceLineNo">130</span> this.kv = kv;<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> @Override<a name="line.133"></a> -<span class="sourceLineNo">134</span> public void write(DataOutput out) throws IOException {<a name="line.134"></a> -<span class="sourceLineNo">135</span> KeyValue.write(kv, out);<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> @Override<a name="line.138"></a> -<span class="sourceLineNo">139</span> public void readFields(DataInput in) throws IOException {<a name="line.139"></a> -<span class="sourceLineNo">140</span> kv = KeyValue.create(in);<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> @Override<a name="line.143"></a> -<span class="sourceLineNo">144</span> @edu.umd.cs.findbugs.annotations.SuppressWarnings(value="EQ_COMPARETO_USE_OBJECT_EQUALS",<a name="line.144"></a> -<span class="sourceLineNo">145</span> justification="This is wrong, yes, but we should be purging Writables, not fixing them")<a name="line.145"></a> -<span class="sourceLineNo">146</span> public int compareTo(KeyValueWritableComparable o) {<a name="line.146"></a> -<span class="sourceLineNo">147</span> return CellComparator.COMPARATOR.compare(this.kv, ((KeyValueWritableComparable)o).kv);<a name="line.147"></a> -<span class="sourceLineNo">148</span> }<a name="line.148"></a> -<span class="sourceLineNo">149</span><a name="line.149"></a> -<span class="sourceLineNo">150</span> public static class KeyValueWritableComparator extends WritableComparator {<a name="line.150"></a> -<span class="sourceLineNo">151</span><a name="line.151"></a> -<span class="sourceLineNo">152</span> @Override<a name="line.152"></a> -<span class="sourceLineNo">153</span> public int compare(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2) {<a name="line.153"></a> -<span class="sourceLineNo">154</span> try {<a name="line.154"></a> -<span class="sourceLineNo">155</span> KeyValueWritableComparable kv1 = new KeyValueWritableComparable();<a name="line.155"></a> -<span class="sourceLineNo">156</span> kv1.readFields(new DataInputStream(new ByteArrayInputStream(b1, s1, l1)));<a name="line.156"></a> -<span class="sourceLineNo">157</span> KeyValueWritableComparable kv2 = new KeyValueWritableComparable();<a name="line.157"></a> -<span class="sourceLineNo">158</span> kv2.readFields(new DataInputStream(new ByteArrayInputStream(b2, s2, l2)));<a name="line.158"></a> -<span class="sourceLineNo">159</span> return compare(kv1, kv2);<a name="line.159"></a> -<span class="sourceLineNo">160</span> } catch (IOException e) {<a name="line.160"></a> -<span class="sourceLineNo">161</span> throw new RuntimeException(e);<a name="line.161"></a> -<span class="sourceLineNo">162</span> }<a name="line.162"></a> -<span class="sourceLineNo">163</span> }<a name="line.163"></a> -<span class="sourceLineNo">164</span><a name="line.164"></a> -<span class="sourceLineNo">165</span> }<a name="line.165"></a> -<span class="sourceLineNo">166</span><a name="line.166"></a> -<span class="sourceLineNo">167</span> }<a name="line.167"></a> -<span class="sourceLineNo">168</span><a name="line.168"></a> -<span class="sourceLineNo">169</span> public static class KeyValueReducer<a name="line.169"></a> -<span class="sourceLineNo">170</span> extends<a name="line.170"></a> -<span class="sourceLineNo">171</span> Reducer<KeyValueWritableComparable, KeyValue, ImmutableBytesWritable, KeyValue> {<a name="line.171"></a> -<span class="sourceLineNo">172</span> protected void reduce(<a name="line.172"></a> -<span class="sourceLineNo">173</span> KeyValueWritableComparable row,<a name="line.173"></a> -<span class="sourceLineNo">174</span> Iterable<KeyValue> kvs,<a name="line.174"></a> -<span class="sourceLineNo">175</span> Reducer<KeyValueWritableComparable,<a name="line.175"></a> -<span class="sourceLineNo">176</span> KeyValue, ImmutableBytesWritable, KeyValue>.Context context)<a name="line.176"></a> -<span class="sourceLineNo">177</span> throws java.io.IOException, InterruptedException {<a name="line.177"></a> -<span class="sourceLineNo">178</span> int index = 0;<a name="line.178"></a> -<span class="sourceLineNo">179</span> for (KeyValue kv : kvs) {<a name="line.179"></a> -<span class="sourceLineNo">180</span> context.write(new ImmutableBytesWritable(kv.getRowArray()), kv);<a name="line.180"></a> -<span class="sourceLineNo">181</span> if (++index % 100 == 0)<a name="line.181"></a> -<span class="sourceLineNo">182</span> context.setStatus("Wrote " + index + " KeyValues, "<a name="line.182"></a> -<span class="sourceLineNo">183</span> + "and the rowkey whose is being wrote is " + Bytes.toString(kv.getRowArray()));<a name="line.183"></a> -<span class="sourceLineNo">184</span> }<a name="line.184"></a> -<span class="sourceLineNo">185</span> }<a name="line.185"></a> -<span class="sourceLineNo">186</span> }<a name="line.186"></a> -<span class="sourceLineNo">187</span><a name="line.187"></a> -<span class="sourceLineNo">188</span> public static class KeyValueSortImporter<a name="line.188"></a> -<span class="sourceLineNo">189</span> extends TableMapper<KeyValueWritableComparable, KeyValue> {<a name="line.189"></a> -<span class="sourceLineNo">190</span> private Map<byte[], byte[]> cfRenameMap;<a name="line.190"></a> -<span class="sourceLineNo">191</span> private Filter filter;<a name="line.191"></a> -<span class="sourceLineNo">192</span> private static final Log LOG = LogFactory.getLog(KeyValueImporter.class);<a name="line.192"></a> -<span class="sourceLineNo">193</span><a name="line.193"></a> -<span class="sourceLineNo">194</span> /**<a name="line.194"></a> -<span class="sourceLineNo">195</span> * @param row The current table row key.<a name="line.195"></a> -<span class="sourceLineNo">196</span> * @param value The columns.<a name="line.196"></a> -<span class="sourceLineNo">197</span> * @param context The current context.<a name="line.197"></a> -<span class="sourceLineNo">198</span> * @throws IOException When something is broken with the data.<a name="line.198"></a> -<span class="sourceLineNo">199</span> */<a name="line.199"></a> -<span class="sourceLineNo">200</span> @Override<a name="line.200"></a> -<span class="sourceLineNo">201</span> public void map(ImmutableBytesWritable row, Result value,<a name="line.201"></a> -<span class="sourceLineNo">202</span> Context context)<a name="line.202"></a> -<span class="sourceLineNo">203</span> throws IOException {<a name="line.203"></a> -<span class="sourceLineNo">204</span> try {<a name="line.204"></a> -<span class="sourceLineNo">205</span> if (LOG.isTraceEnabled()) {<a name="line.205"></a> -<span class="sourceLineNo">206</span> LOG.trace("Considering the row."<a name="line.206"></a> -<span class="sourceLineNo">207</span> + Bytes.toString(row.get(), row.getOffset(), row.getLength()));<a name="line.207"></a> -<span class="sourceLineNo">208</span> }<a name="line.208"></a> -<span class="sourceLineNo">209</span> if (filter == null<a name="line.209"></a> -<span class="sourceLineNo">210</span> || !filter.filterRowKey(CellUtil.createFirstOnRow(row.get(), row.getOffset(),<a name="line.210"></a> -<span class="sourceLineNo">211</span> (short) row.getLength()))) {<a name="line.211"></a> -<span class="sourceLineNo">212</span> for (Cell kv : value.rawCells()) {<a name="line.212"></a> -<span class="sourceLineNo">213</span> kv = filterKv(filter, kv);<a name="line.213"></a> -<span class="sourceLineNo">214</span> // skip if we filtered it out<a name="line.214"></a> -<span class="sourceLineNo">215</span> if (kv == null) continue;<a name="line.215"></a> -<span class="sourceLineNo">216</span> // TODO get rid of ensureKeyValue<a name="line.216"></a> -<span class="sourceLineNo">217</span> KeyValue ret = KeyValueUtil.ensureKeyValue(convertKv(kv, cfRenameMap));<a name="line.217"></a> -<span class="sourceLineNo">218</span> context.write(new KeyValueWritableComparable(ret.createKeyOnly(false)), ret);<a name="line.218"></a> -<span class="sourceLineNo">219</span> }<a name="line.219"></a> -<span class="sourceLineNo">220</span> }<a name="line.220"></a> -<span class="sourceLineNo">221</span> } catch (InterruptedException e) {<a name="line.221"></a> -<span class="sourceLineNo">222</span> e.printStackTrace();<a name="line.222"></a> -<span class="sourceLineNo">223</span> }<a name="line.223"></a> -<span class="sourceLineNo">224</span> }<a name="line.224"></a> -<span class="sourceLineNo">225</span><a name="line.225"></a> -<span class="sourceLineNo">226</span> @Override<a name="line.226"></a> -<span class="sourceLineNo">227</span> public void setup(Context context) throws IOException {<a name="line.227"></a> -<span class="sourceLineNo">228</span> cfRenameMap = createCfRenameMap(context.getConfiguration());<a name="line.228"></a> -<span class="sourceLineNo">229</span> filter = instantiateFilter(context.getConfiguration());<a name="line.229"></a> -<span class="sourceLineNo">230</span> int reduceNum = context.getNumReduceTasks();<a name="line.230"></a> -<span class="sourceLineNo">231</span> Configuration conf = context.getConfiguration();<a name="line.231"></a> -<span class="sourceLineNo">232</span> TableName tableName = TableName.valueOf(context.getConfiguration().get(TABLE_NAME));<a name="line.232"></a> -<span class="sourceLineNo">233</span> try (Connection conn = ConnectionFactory.createConnection(conf);<a name="line.233"></a> -<span class="sourceLineNo">234</span> RegionLocator regionLocator = conn.getRegionLocator(tableName)) {<a name="line.234"></a> -<span class="sourceLineNo">235</span> byte[][] startKeys = regionLocator.getStartKeys();<a name="line.235"></a> -<span class="sourceLineNo">236</span> if (startKeys.length != reduceNum) {<a name="line.236"></a> -<span class="sourceLineNo">237</span> throw new IOException("Region split after job initialization");<a name="line.237"></a> -<span class="sourceLineNo">238</span> }<a name="line.238"></a> -<span class="sourceLineNo">239</span> KeyValueWritableComparable[] startKeyWraps =<a name="line.239"></a> -<span class="sourceLineNo">240</span> new KeyValueWritableComparable[startKeys.length - 1];<a name="line.240"></a> -<span class="sourceLineNo">241</span> for (int i = 1; i < startKeys.length; ++i) {<a name="line.241"></a> -<span class="sourceLineNo">242</span> startKeyWraps[i - 1] =<a name="line.242"></a> -<span class="sourceLineNo">243</span> new KeyValueWritableComparable(KeyValueUtil.createFirstOnRow(startKeys[i]));<a name="line.243"></a> -<span class="sourceLineNo">244</span> }<a name="line.244"></a> -<span class="sourceLineNo">245</span> KeyValueWritableComparablePartitioner.START_KEYS = startKeyWraps;<a name="line.245"></a> -<span class="sourceLineNo">246</span> }<a name="line.246"></a> -<span class="sourceLineNo">247</span> }<a name="line.247"></a> -<span class="sourceLineNo">248</span> }<a name="line.248"></a> -<span class="sourceLineNo">249</span><a name="line.249"></a> -<span class="sourceLineNo">250</span> /**<a name="line.250"></a> -<span class="sourceLineNo">251</span> * A mapper that just writes out KeyValues.<a name="line.251"></a> -<span class="sourceLineNo">252</span> */<a name="line.252"></a> -<span class="sourceLineNo">253</span> @edu.umd.cs.findbugs.annotations.SuppressWarnings(value="EQ_COMPARETO_USE_OBJECT_EQUALS",<a name="line.253"></a> -<span class="sourceLineNo">254</span> justification="Writables are going away and this has been this way forever")<a name="line.254"></a> -<span class="sourceLineNo">255</span> public static class KeyValueImporter extends TableMapper<ImmutableBytesWritable, KeyValue> {<a name="line.255"></a> -<span class="sourceLineNo">256</span> private Map<byte[], byte[]> cfRenameMap;<a name="line.256"></a> -<span class="sourceLineNo">257</span> private Filter filter;<a name="line.257"></a> -<span class="sourceLineNo">258</span> private static final Log LOG = LogFactory.getLog(KeyValueImporter.class);<a name="line.258"></a> -<span class="sourceLineNo">259</span><a name="line.259"></a> -<span class="sourceLineNo">260</span> /**<a name="line.260"></a> -<span class="sourceLineNo">261</span> * @param row The current table row key.<a name="line.261"></a> -<span class="sourceLineNo">262</span> * @param value The columns.<a name="line.262"></a> -<span class="sourceLineNo">263</span> * @param context The current context.<a name="line.263"></a> -<span class="sourceLineNo">264</span> * @throws IOException When something is broken with the data.<a name="line.264"></a> -<span class="sourceLineNo">265</span> */<a name="line.265"></a> -<span class="sourceLineNo">266</span> @Override<a name="line.266"></a> -<span class="sourceLineNo">267</span> public void map(ImmutableBytesWritable row, Result value,<a name="line.267"></a> -<span class="sourceLineNo">268</span> Context context)<a name="line.268"></a> -<span class="sourceLineNo">269</span> throws IOException {<a name="line.269"></a> -<span class="sourceLineNo">270</span> try {<a name="line.270"></a> -<span class="sourceLineNo">271</span> if (LOG.isTraceEnabled()) {<a name="line.271"></a> -<span class="sourceLineNo">272</span> LOG.trace("Considering the row."<a name="line.272"></a> -<span class="sourceLineNo">273</span> + Bytes.toString(row.get(), row.getOffset(), row.getLength()));<a name="line.273"></a> -<span class="sourceLineNo">274</span> }<a name="line.274"></a> -<span class="sourceLineNo">275</span> if (filter == null<a name="line.275"></a> -<span class="sourceLineNo">276</span> || !filter.filterRowKey(CellUtil.createFirstOnRow(row.get(), row.getOffset(),<a name="line.276"></a> -<span class="sourceLineNo">277</span> (short) row.getLength()))) {<a name="line.277"></a> -<span class="sourceLineNo">278</span> for (Cell kv : value.rawCells()) {<a name="line.278"></a> -<span class="sourceLineNo">279</span> kv = filterKv(filter, kv);<a name="line.279"></a> -<span class="sourceLineNo">280</span> // skip if we filtered it out<a name="line.280"></a> -<span class="sourceLineNo">281</span> if (kv == null) continue;<a name="line.281"></a> -<span class="sourceLineNo">282</span> // TODO get rid of ensureKeyValue<a name="line.282"></a> -<span class="sourceLineNo">283</span> context.write(row, 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class="sourceLineNo">329</span> LOG.trace("Considering the row."<a name="line.329"></a> -<span class="sourceLineNo">330</span> + Bytes.toString(key.get(), key.getOffset(), key.getLength()));<a name="line.330"></a> -<span class="sourceLineNo">331</span> }<a name="line.331"></a> -<span class="sourceLineNo">332</span> if (filter == null<a name="line.332"></a> -<span class="sourceLineNo">333</span> || !filter.filterRowKey(CellUtil.createFirstOnRow(key.get(), key.getOffset(),<a name="line.333"></a> -<span class="sourceLineNo">334</span> (short) key.getLength()))) {<a name="line.334"></a> -<span class="sourceLineNo">335</span> processKV(key, result, context, put, delete);<a name="line.335"></a> -<span class="sourceLineNo">336</span> }<a name="line.336"></a> -<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> protected void processKV(ImmutableBytesWritable key, Result result, 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class="sourceLineNo">521</span> kv.getValueOffset(), // value offset<a name="line.521"></a> -<span class="sourceLineNo">522</span> kv.getValueLength()); // value length<a name="line.522"></a> -<span class="sourceLineNo">523</span> }<a name="line.523"></a> -<span class="sourceLineNo">524</span> }<a name="line.524"></a> -<span class="sourceLineNo">525</span> return kv;<a name="line.525"></a> -<span class="sourceLineNo">526</span> }<a name="line.526"></a> -<span class="sourceLineNo">527</span><a name="line.527"></a> -<span class="sourceLineNo">528</span> // helper: make a map from sourceCfName to destCfName by parsing a config key<a name="line.528"></a> -<span class="sourceLineNo">529</span> private static Map<byte[], byte[]> createCfRenameMap(Configuration conf) {<a name="line.529"></a> -<span class="sourceLineNo">530</span> Map<byte[], byte[]> cfRenameMap = null;<a name="line.530"></a> -<span class="sourceLineNo">531</span> String allMappingsPropVal = conf.get(CF_RENAME_PROP);<a name="line.531"></a> -<span class="sourceLineNo">532</span> if(allMappingsPropVal != null) {<a name="line.532"></a> -<span class="sourceLineNo">533</span> // The conf value format should be sourceCf1:destCf1,sourceCf2:destCf2,...<a name="line.533"></a> -<span class="sourceLineNo">534</span> String[] allMappings = allMappingsPropVal.split(",");<a name="line.534"></a> -<span class="sourceLineNo">535</span> for (String mapping: allMappings) {<a name="line.535"></a> -<span class="sourceLineNo">536</span> if(cfRenameMap == null) {<a name="line.536"></a> -<span class="sourceLineNo">537</span> cfRenameMap = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.537"></a> -<span class="sourceLineNo">538</span> }<a name="line.538"></a> -<span class="sourceLineNo">539</span> String [] srcAndDest = mapping.split(":");<a name="line.539"></a> -<span class="sourceLineNo">540</span> if(srcAndDest.length != 2) {<a name="line.540"></a> -<span class="sourceLineNo">541</span> continue;<a name="line.541"></a> -<span class="sourceLineNo">542</span> }<a name="line.542"></a> -<span class="sourceLineNo">543</span> cfRenameMap.put(srcAndDest[0].getBytes(), srcAndDest[1].getBytes());<a name="line.543"></a> -<span class="sourceLineNo">544</span> }<a name="line.544"></a> -<span class="sourceLineNo">545</span> }<a name="line.545"></a> -<span class="sourceLineNo">546</span> return cfRenameMap;<a name="line.546"></a> -<span class="sourceLineNo">547</span> }<a name="line.547"></a> -<span class="sourceLineNo">548</span><a name="line.548"></a> -<span class="sourceLineNo">549</span> /**<a name="line.549"></a> -<span class="sourceLineNo">550</span> * <p>Sets a configuration property with key {@link #CF_RENAME_PROP} in conf that tells<a name="line.550"></a> -<span class="sourceLineNo">551</span> * the mapper how to rename column families.<a name="line.551"></a> -<span class="sourceLineNo">552</span> *<a name="line.552"></a> -<span class="sourceLineNo">553</span> * <p>Alternately, 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for(Map.Entry<String,String> entry: renameMap.entrySet()) {<a name="line.565"></a> -<span class="sourceLineNo">566</span> String sourceCf = entry.getKey();<a name="line.566"></a> -<span class="sourceLineNo">567</span> String destCf = entry.getValue();<a name="line.567"></a> -<span class="sourceLineNo">568</span><a name="line.568"></a> -<span class="sourceLineNo">569</span> if(sourceCf.contains(":") || sourceCf.contains(",") ||<a name="line.569"></a> -<span class="sourceLineNo">570</span> destCf.contains(":") || destCf.contains(",")) {<a name="line.570"></a> -<span class="sourceLineNo">571</span> throw new IllegalArgumentException("Illegal character in CF names: "<a name="line.571"></a> -<span class="sourceLineNo">572</span> + sourceCf + ", " + destCf);<a name="line.572"></a> -<span class="sourceLineNo">573</span> }<a name="line.573"></a> -<span class="sourceLineNo">574</span><a name="line.574"></a> -<span class="sourceLineNo">575</span> if(sb.length() != 0) {<a name="line.575"></a> 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class="sourceLineNo">587</span> * @param filterArgs List of arguments to pass to the filter on instantiation<a name="line.587"></a> -<span class="sourceLineNo">588</span> */<a name="line.588"></a> -<span class="sourceLineNo">589</span> public static void addFilterAndArguments(Configuration conf, Class<? extends Filter> clazz,<a name="line.589"></a> -<span class="sourceLineNo">590</span> List<String> filterArgs) throws IOException {<a name="line.590"></a> -<span class="sourceLineNo">591</span> conf.set(Import.FILTER_CLASS_CONF_KEY, clazz.getName());<a name="line.591"></a> -<span class="sourceLineNo">592</span> conf.setStrings(Import.FILTER_ARGS_CONF_KEY, filterArgs.toArray(new String[filterArgs.size()]));<a name="line.592"></a> -<span class="sourceLineNo">593</span> }<a name="line.593"></a> -<span class="sourceLineNo">594</span><a name="line.594"></a> -<span class="sourceLineNo">595</span> /**<a name="line.595"></a> -<span class="sourceLineNo">596</span> * Sets up the actual job.<a name="line.596"></a> -<span class="sourceLineNo">597</span> * @param conf The current configuration.<a name="line.597"></a> -<span class="sourceLineNo">598</span> * @param args The command line parameters.<a name="line.598"></a> -<span class="sourceLineNo">599</span> * @return The newly created job.<a name="line.599"></a> -<span class="sourceLineNo">600</span> * @throws IOException When setting up the job fails.<a name="line.600"></a> -<span class="sourceLineNo">601</span> */<a name="line.601"></a> -<span class="sourceLineNo">602</span> public static Job createSubmittableJob(Configuration conf, String[] args)<a name="line.602"></a> -<span class="sourceLineNo">603</span> throws IOException {<a name="line.603"></a> -<span class="sourceLineNo">604</span> TableName tableName = TableName.valueOf(args[0]);<a name="line.604"></a> -<span class="sourceLineNo">605</span> conf.set(TABLE_NAME, tableName.getNameAsString());<a name="line.605"></a> -<span class="sourceLineNo">606</span> Path inputDir = new Path(args[1]);<a name="line.606"></a> -<span class="sourceLineNo">607</span> Job job = Job.getInstance(conf, conf.get(JOB_NAME_CONF_KEY, NAME + "_" + tableName));<a name="line.607"></a> -<span class="sourceLineNo">608</span> job.setJarByClass(Importer.class);<a name="line.608"></a> -<span class="sourceLineNo">609</span> FileInputFormat.setInputPaths(job, inputDir);<a name="line.609"></a> -<span class="sourceLineNo">610</span> job.setInputFormatClass(SequenceFileInputFormat.class);<a name="line.610"></a> -<span class="sourceLineNo">611</span> String hfileOutPath = conf.get(BULK_OUTPUT_CONF_KEY);<a name="line.611"></a> -<span class="sourceLineNo">612</span><a name="line.612"></a> -<span class="sourceLineNo">613</span> // make sure we get the filter in the jars<a name="line.613"></a> -<span class="sourceLineNo">614</span> try {<a name="line.614"></a> -<span class="sourceLineNo">615</span> Class<? extends Filter> filter = conf.getClass(FILTER_CLASS_CONF_KEY, null, Filter.class);<a 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class="sourceLineNo">635</span> job.getConfiguration().setClass("mapreduce.job.output.key.comparator.class",<a name="line.635"></a> -<span class="sourceLineNo">636</span> KeyValueWritableComparable.KeyValueWritableComparator.class,<a name="line.636"></a> -<span class="sourceLineNo">637</span> RawComparator.class);<a name="line.637"></a> -<span class="sourceLineNo">638</span> Path partitionsPath =<a name="line.638"></a> -<span class="sourceLineNo">639</span> new Path(TotalOrderPartitioner.getPartitionFile(job.getConfiguration()));<a name="line.639"></a> -<span class="sourceLineNo">640</span> FileSystem fs = FileSystem.get(job.getConfiguration());<a name="line.640"></a> -<span class="sourceLineNo">641</span> fs.deleteOnExit(partitionsPath);<a name="line.641"></a> -<span class="sourceLineNo">642</span> job.setPartitionerClass(KeyValueWritableComparablePartitioner.class);<a name="line.642"></a> -<span class="sourceLineNo">643</span> job.setNumReduceTasks(regionLocator.getStartKeys().length);<a name="line.643"></a> -<span class="sourceLineNo">644</span> TableMapReduceUtil.addDependencyJarsForClasses(job.getConfiguration(),<a name="line.644"></a> -<span class="sourceLineNo">645</span> org.apache.hadoop.hbase.shaded.com.google.common.base.Preconditions.class);<a name="line.645"></a> -<span class="sourceLineNo">646</span> }<a name="line.646"></a> -<span class="sourceLineNo">647</span> } else if (hfileOutPath != null) {<a name="line.647"></a> -<span class="sourceLineNo">648</span> LOG.info("writing to hfiles for bulk load.");<a name="line.648"></a> -<span class="sourceLineNo">649</span> job.setMapperClass(KeyValueImporter.class);<a name="line.649"></a> -<span class="sourceLineNo">650</span> try (Connection conn = ConnectionFactory.createConnection(conf);<a name="line.650"></a> -<span class="sourceLineNo">651</span> Table table = conn.getTable(tableName);<a name="line.651"></a> -<span class="sourceLineNo">652</span> RegionLocator regionLocator = conn.getRegionLocator(tableName)){<a name="line.652"></a> -<span class="sourceLineNo">653</span> job.setReducerClass(KeyValueSortReducer.class);<a name="line.653"></a> -<span class="sourceLineNo">654</span> Path outputDir = new Path(hfileOutPath);<a name="line.654"></a> -<span class="sourceLineNo">655</span> FileOutputFormat.setOutputPath(job, outputDir);<a name="line.655"></a> -<span class="sourceLineNo">656</span> job.setMapOutputKeyClass(ImmutableBytesWritable.class);<a name="line.656"></a> -<span class="sourceLineNo">657</span> job.setMapOutputValueClass(KeyValue.class);<a name="line.657"></a> -<span class="sourceLineNo">658</span> HFileOutputFormat2.configureIncrementalLoad(job, table.getDescriptor(), regionLocator);<a name="line.658"></a> -<span class="sourceLineNo">659</span> TableMapReduceUtil.addDependencyJarsForClasses(job.getConfiguration(),<a name="line.659"></a> -<span class="sourceLineNo">660</span> org.apache.hadoop.hbase.shaded.com.google.common.base.Preconditions.class);<a name="line.660"></a> -<span class="sourceLineNo">661</span> }<a name="line.661"></a> -<span class="sourceLineNo">662</span> } else {<a name="line.662"></a> -<span class="sourceLineNo">663</span> LOG.info("writing directly to table from Mapper.");<a name="line.663"></a> -<span class="sourceLineNo">664</span> // No reducers. 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Can be null.<a name="line.674"></a> -<span class="sourceLineNo">675</span> */<a name="line.675"></a> -<span class="sourceLineNo">676</span> private static void usage(final String errorMsg) {<a name="line.676"></a> -<span class="sourceLineNo">677</span> if (errorMsg != null && errorMsg.length() > 0) {<a name="line.677"></a> -<span class="sourceLineNo">678</span> System.err.println("ERROR: " + errorMsg);<a name="line.678"></a> -<span class="sourceLineNo">679</span> }<a name="line.679"></a> -<span class="sourceLineNo">680</span> System.err.println("Usage: Import [options] <tablename> <inputdir>");<a name="line.680"></a> -<span class="sourceLineNo">681</span> System.err.println("By default Import will load data directly into HBase. To instead generate");<a name="line.681"></a> -<span class="sourceLineNo">682</span> System.err.println("HFiles of data to prepare for a bulk data load, pass the option:");<a name="line.682"></a> -<span class="sourceLineNo">683</span> System.err.println(" -D" + BULK_OUTPUT_CONF_KEY + "=/path/for/output");<a name="line.683"></a> -<span class="sourceLineNo">684</span> System.err.println("If there is a large result that includes too much KeyValue "<a name="line.684"></a> -<span class="sourceLineNo">685</span> + "whitch can occur OOME caused by the memery sort in reducer, pass the option:");<a name="line.685"></a> -<span class="sourceLineNo">686</span> System.err.println(" -D" + HAS_LARGE_RESULT + "=true");<a name="line.686"></a> -<span class="sourceLineNo">687</span> System.err<a name="line.687"></a> -<span class="sourceLineNo">688</span> .println(" To apply a generic org.apache.hadoop.hbase.filter.Filter to the input, use");<a name="line.688"></a> -<span class="sourceLineNo">689</span> System.err.println(" -D" + FILTER_CLASS_CONF_KEY + "=<name of filter class>");<a name="line.689"></a> -<span class="sourceLineNo">690</span> System.err.println(" -D" + FILTER_ARGS_CONF_KEY + "=<comma separated list of args for filter");<a name="line.690"></a> -<span class="sourceLineNo">691</span> System.err.println(" NOTE: The filter will be applied BEFORE doing key renames via the "<a name="line.691"></a> -<span class="sourceLineNo">692</span> + CF_RENAME_PROP + " property. Futher, filters will only use the"<a name="line.692"></a> -<span class="sourceLineNo">693</span> + " Filter#filterRowKey(byte[] buffer, int offset, int length) method to identify "<a name="line.693"></a> -<span class="sourceLineNo">694</span> + " whether the current row needs to be ignored completely for processing and "<a name="line.694"></a> -<span class="sourceLineNo">695</span> + " Filter#filterKeyValue(KeyValue) method to determine if the KeyValue should be added;"<a name="line.695"></a> -<span class="sourceLineNo">696</span> + " Filter.ReturnCode#INCLUDE and #INCLUDE_AND_NEXT_COL will be considered as including"<a name="line.696"></a> -<span class="sourceLineNo">697</span> + " the KeyValue.");<a name="line.697"></a> -<span class="sourceLineNo">698</span> System.err.println("To import data exported from HBase 0.94, use");<a name="line.698"></a> -<span class="sourceLineNo">699</span> System.err.println(" -Dhbase.import.version=0.94");<a name="line.699"></a> -<span class="sourceLineNo">700</span> System.err.println(" -D " + JOB_NAME_CONF_KEY<a name="line.700"></a> -<span class="sourceLineNo">701</span> + "=jobName - use the specified mapreduce job name for the import");<a name="line.701"></a> -<span class="sourceLineNo">702</span> System.err.println("For performance consider the following options:\n"<a name="line.702"></a> -<span class="sourceLineNo">703</span> + " -Dmapreduce.map.speculative=false\n"<a name="line.703"></a> -<span class="sourceLineNo">704</span> + " -Dmapreduce.reduce.speculative=false\n"<a name="line.704"></a> -<span class="sourceLineNo">705</span> + " -D" + WAL_DURABILITY + "=<Used while writing data to hbase."<a name="line.705"></a> -<span class="sourceLineNo">706</span> +" Allowed values are the supported durability values"<a name="line.706"></a> -<span class="sourceLineNo">707</span> +" like SKIP_WAL/ASYNC_WAL/SYNC_WAL/...>");<a name="line.707"></a> -<span class="sourceLineNo">708</span> }<a name="line.708"></a> -<span class="sourceLineNo">709</span><a name="line.709"></a> -<span class="sourceLineNo">710</span> /**<a name="line.710"></a> -<span class="sourceLineNo">711</span> * If the durability is set to {@link Durability#SKIP_WAL} and the data is imported to hbase, we<a name="line.711"></a> -<span class="sourceLineNo">712</span> * need to flush all the regions of the table as the data is held in memory and is also not<a name="line.712"></a> -<span class="sourceLineNo">713</span> * present in the Write Ahead Log to replay in scenarios of a crash. This method flushes all the<a name="line.713"></a> -<span class="sourceLineNo">714</span> * regions of the table in the scenarios of import data to hbase with {@link Durability#SKIP_WAL}<a name="line.714"></a> -<span class="sourceLineNo">715</span> */<a name="line.715"></a> -<span class="sourceLineNo">716</span> public static void flushRegionsIfNecessary(Configuration conf) throws IOException,<a name="line.716"></a> -<span class="sourceLineNo">717</span> InterruptedException {<a name="line.717"></a> -<span class="sourceLineNo">718</span> String tableName = conf.get(TABLE_NAME);<a name="line.718"></a> -<span class="sourceLineNo">719</span> Admin hAdmin = null;<a name="line.719"></a> -<span class="sourceLineNo">720</span> Connection connection = null;<a name="line.720"></a> -<span class="sourceLineNo">721</span> String durability = conf.get(WAL_DURABILITY);<a name="line.721"></a> -<span class="sourceLineNo">722</span> // Need to flush if the data is written to hbase and skip wal is 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class="sourceLineNo">776</span> int errCode = ToolRunner.run(HBaseConfiguration.create(), new Import(), args);<a name="line.776"></a> -<span class="sourceLineNo">777</span> System.exit(errCode);<a name="line.777"></a> -<span class="sourceLineNo">778</span> }<a name="line.778"></a> -<span class="sourceLineNo">779</span><a name="line.779"></a> -<span class="sourceLineNo">780</span>}<a name="line.780"></a> +<span class="sourceLineNo">082</span><a name="line.82"></a> +<span class="sourceLineNo">083</span>/**<a name="line.83"></a> +<span class="sourceLineNo">084</span> * Import data written by {@link Export}.<a name="line.84"></a> +<span class="sourceLineNo">085</span> */<a name="line.85"></a> +<span class="sourceLineNo">086</span>@InterfaceAudience.Public<a name="line.86"></a> +<span class="sourceLineNo">087</span>public class Import extends Configured implements Tool {<a name="line.87"></a> +<span class="sourceLineNo">088</span> private static final Log LOG = LogFactory.getLog(Import.class);<a name="line.88"></a> +<span class="sourceLineNo">089</span> final static String NAME = "import";<a name="line.89"></a> +<span class="sourceLineNo">090</span> public final static String CF_RENAME_PROP = "HBASE_IMPORTER_RENAME_CFS";<a name="line.90"></a> +<span class="sourceLineNo">091</span> public final static String BULK_OUTPUT_CONF_KEY = "import.bulk.output";<a name="line.91"></a> +<span class="sourceLineNo">092</span> public final static String FILTER_CLASS_CONF_KEY = "import.filter.class";<a name="line.92"></a> +<span class="sourceLineNo">093</span> public final static String FILTER_ARGS_CONF_KEY = "import.filter.args";<a name="line.93"></a> +<span class="sourceLineNo">094</span> public final static String TABLE_NAME = "import.table.name";<a name="line.94"></a> +<span class="sourceLineNo">095</span> public final static String WAL_DURABILITY = "import.wal.durability";<a name="line.95"></a> +<span class="sourceLineNo">096</span> public final static String HAS_LARGE_RESULT= "import.bulk.hasLargeResult";<a name="line.96"></a> +<span class="sourceLineNo">097</span><a name="line.97"></a> +<span class="sourceLineNo">098</span> private final static String JOB_NAME_CONF_KEY = "mapreduce.job.name";<a name="line.98"></a> +<span class="sourceLineNo">099</span><a name="line.99"></a> +<span class="sourceLineNo">100</span> public static class CellWritableComparablePartitioner<a name="line.100"></a> +<span class="sourceLineNo">101</span> extends Partitioner<CellWritableComparable, Cell> {<a name="line.101"></a> +<span class="sourceLineNo">102</span> private static CellWritableComparable[] START_KEYS = null;<a name="line.102"></a> +<span class="sourceLineNo">103</span> @Override<a name="line.103"></a> +<span class="sourceLineNo">104</span> public int getPartition(CellWritableComparable key, Cell value,<a name="line.104"></a> +<span class="sourceLineNo">105</span> int numPartitions) {<a name="line.105"></a> +<span class="sourceLineNo">106</span> for (int i = 0; i < START_KEYS.length; ++i) {<a name="line.106"></a> +<span class="sourceLineNo">107</span> if (key.compareTo(START_KEYS[i]) <= 0) {<a name="line.107"></a> +<span class="sourceLineNo">108</span> return i;<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 START_KEYS.length;<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> }<a name="line.114"></a> +<span class="sourceLineNo">115</span><a name="line.115"></a> +<span class="sourceLineNo">116</span> public static class CellWritableComparable<a name="line.116"></a> +<span class="sourceLineNo">117</span> implements WritableComparable<CellWritableComparable> {<a name="line.117"></a> +<span class="sourceLineNo">118</span><a name="line.118"></a> +<span class="sourceLineNo">119</span> private Cell kv = null;<a name="line.119"></a> +<span class="sourceLineNo">120</span><a name="line.120"></a> +<span class="sourceLineNo">121</span> static {<a name="line.121"></a> +<span class="sourceLineNo">122</span> // register this comparator<a name="line.122"></a> +<span class="sourceLineNo">123</span> WritableComparator.define(CellWritableComparable.class,<a name="line.123"></a> +<span class="sourceLineNo">124</span> new CellWritableComparator());<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> public CellWritableComparable() {<a name="line.127"></a> +<span class="sourceLineNo">128</span> }<a name="line.128"></a> +<span class="sourceLineNo">129</span><a name="line.129"></a> +<span class="sourceLineNo">130</span> public CellWritableComparable(Cell kv) {<a name="line.130"></a> +<span class="sourceLineNo">131</span> this.kv = kv;<a name="line.131"></a> +<span class="sourceLineNo">132</span> }<a name="line.132"></a> +<span class="sourceLineNo">133</span><a name="line.133"></a> +<span class="sourceLineNo">134</span> @Override<a name="line.134"></a> +<span class="sourceLineNo">135</span> public void write(DataOutput out) throws IOException {<a name="line.135"></a> +<span class="sourceLineNo">136</span> out.writeInt(CellUtil.estimatedSerializedSizeOfKey(kv));<a name="line.136"></a> +<span class="sourceLineNo">137</span> out.writeInt(0);<a name="line.137"></a> +<span class="sourceLineNo">138</span> CellUtil.writeFlatKey(kv, out);<a name="line.138"></a> +<span class="sourceLineNo">139</span> }<a name="line.139"></a> +<span class="sourceLineNo">140</span><a name="line.140"></a> +<span class="sourceLineNo">141</span> @Override<a name="line.141"></a> +<span class="sourceLineNo">142</span> public void readFields(DataInput in) throws IOException {<a name="line.142"></a> +<span class="sourceLineNo">143</span> kv = KeyValue.create(in);<a name="line.143"></a> +<span class="sourceLineNo">144</span> }<a name="line.144"></a> +<span class="sourceLineNo">145</span><a name="line.145"></a> +<span class="sourceLineNo">146</span> @Override<a name="line.146"></a> +<span class="sourceLineNo">147</span> @edu.umd.cs.findbugs.annotations.SuppressWarnings(value="EQ_COMPARETO_USE_OBJECT_EQUALS",<a name="line.147"></a> +<span class="sourceLineNo">148</span> justification="This is wrong, yes, but we should be purging Writables, not fixing them")<a name="line.148"></a> +<span class="sourceLineNo">149</span> public int compareTo(CellWritableComparable o) {<a name="line.149"></a> +<span class="sourceLineNo">150</span> return CellComparator.COMPARATOR.compare(this.kv, ((CellWritableComparable)o).kv);<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">153</span> public static class CellWritableComparator extends WritableComparator {<a name="line.153"></a> +<span class="sourceLineNo">154</span><a name="line.154"></a> +<span class="sourceLineNo">155</span> @Override<a name="line.155"></a> +<span class="sourceLineNo">156</span> public int compare(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2) {<a name="line.156"></a> +<span class="sourceLineNo">157</span> try {<a name="line.157"></a> +<span class="sourceLineNo">158</span> CellWritableComparable kv1 = new CellWritableComparable();<a name="line.158"></a> +<span class="sourceLineNo">159</span> kv1.readFields(new DataInputStream(new ByteArrayInputStream(b1, s1, l1)));<a name="line.159"></a> +<span class="sourceLineNo">160</span> CellWritableComparable kv2 = new CellWritableComparable();<a name="line.160"></a> +<span class="sourceLineNo">161</span> kv2.readFields(new DataInputStream(new ByteArrayInputStream(b2, s2, l2)));<a name="line.161"></a> +<span class="sourceLineNo">162</span> return compare(kv1, kv2);<a name="line.162"></a> +<span class="sourceLineNo">163</span> } catch (IOException e) {<a name="line.163"></a> +<span class="sourceLineNo">164</span> throw new RuntimeException(e);<a name="line.164"></a> +<span class="sourceLineNo">165</span> }<a name="line.165"></a> +<span class="sourceLineNo">166</span> }<a name="line.166"></a> +<span class="sourceLineNo">167</span><a name="line.167"></a> +<span class="sourceLineNo">168</span> }<a name="line.168"></a> +<span class="sourceLineNo">169</span><a name="line.169"></a> +<span class="sourceLineNo">170</span> }<a name="line.170"></a> +<span class="sourceLineNo">171</span><a name="line.171"></a> +<span class="sourceLineNo">172</span> public static class CellReducer<a name="line.172"></a> +<span class="sourceLineNo">173</span> extends<a name="line.173"></a> +<span class="sourceLineNo">174</span> Reducer<CellWritableComparable, Cell, ImmutableBytesWritable, Cell> {<a name="line.174"></a> +<span class="sourceLineNo">175</span> protected void reduce(<a name="line.175"></a> +<span class="sourceLineNo">176</span> CellWritableComparable row,<a name="line.176"></a> +<span class="sourceLineNo">177</span> Iterable<Cell> kvs,<a name="line.177"></a> +<span class="sourceLineNo">178</span> Reducer<CellWritableComparable,<a name="line.178"></a> +<span class="sourceLineNo">179</span> Cell, ImmutableBytesWritable, Cell>.Context context)<a name="line.179"></a> +<span class="sourceLineNo">180</span> throws java.io.IOException, InterruptedException {<a name="line.180"></a> +<span class="sourceLineNo">181</span> int index = 0;<a name="line.181"></a> +<span class="sourceLineNo">182</span> for (Cell kv : kvs) {<a name="line.182"></a> +<span class="sourceLineNo">183</span> context.write(new ImmutableBytesWritable(CellUtil.cloneRow(kv)),<a name="line.183"></a> +<span class="sourceLineNo">184</span> new MapReduceCell(kv));<a name="line.184"></a> +<span class="sourceLineNo">185</span> if (++index % 100 == 0)<a name="line.185"></a> +<span class="sourceLineNo">186</span> context.setStatus("Wrote " + index + " KeyValues, "<a name="line.186"></a> +<span class="sourceLineNo">187</span> + "and the rowkey whose is being wrote is " + Bytes.toString(kv.getRowArray()));<a name="line.187"></a> +<span class="sourceLineNo">188</span> }<a name="line.188"></a> +<span class="sourceLineNo">189</span> }<a name="line.189"></a> +<span class="sourceLineNo">190</span> }<a name="line.190"></a> +<span class="sourceLineNo">191</span><a name="line.191"></a> +<span class="sourceLineNo">192</span> public static class CellSortImporter<a name="line.192"></a> +<span class="sourceLineNo">193</span> extends TableMapper<CellWritableComparable, Cell> {<a name="line.193"></a> +<span class="sourceLineNo">194</span> private Map<byte[], byte[]> cfRenameMap;<a name="line.194"></a> +<span class="sourceLineNo">195</span> private Filter filter;<a name="line.195"></a> +<span class="sourceLineNo">196</span> private static final Log LOG = LogFactory.getLog(CellImporter.class);<a name="line.196"></a> +<span class="sourceLineNo">197</span><a name="line.197"></a> +<span class="sourceLineNo">198</span> /**<a name="line.198"></a> +<span class="sourceLineNo">199</span> * @param row The current table row key.<a name="line.199"></a> +<span class="sourceLineNo">200</span> * @param value The columns.<a name="line.200"></a> +<span class="sourceLineNo">201</span> * @param context The current context.<a name="line.201"></a> +<span class="sourceLineNo">202</span> * @throws IOException When something is broken with the data.<a name="line.202"></a> +<span class="sourceLineNo">203</span> */<a name="line.203"></a> +<span class="sourceLineNo">204</span> @Override<a name="line.204"></a> +<span class="sourceLineNo">205</span> public void map(ImmutableBytesWritable row, Result value,<a name="line.205"></a> +<span class="sourceLineNo">206</span> Context context)<a name="line.206"></a> +<span class="sourceLineNo">207</span> throws IOException {<a name="line.207"></a> +<span class="sourceLineNo">208</span> try {<a name="line.208"></a> +<span class="sourceLineNo">209</span> if (LOG.isTraceEnabled()) {<a name="line.209"></a> +<span class="sourceLineNo">210</span> LOG.trace("Considering the row."<a name="line.210"></a> +<span class="sourceLineNo">211</span> + Bytes.toString(row.get(), row.getOffset(), row.getLength()));<a name="line.211"></a> +<span class="sourceLineNo">212</span> }<a name="line.212"></a> +<span class="sourceLineNo">213</span> if (filter == null<a name="line.213"></a> +<span class="sourceLineNo">214</span> || !filter.filterRowKey(CellUtil.createFirstOnRow(row.get(), row.getOffset(),<a name="line.214"></a> +<span class="sourceLineNo">215</span> (short) row.getLength()))) {<a name="line.215"></a> +<span class="sourceLineNo">216</span> for (Cell kv : value.rawCells()) {<a name="line.216"></a> +<span class="sourceLineNo">217</span> kv = filterKv(filter, kv);<a name="line.217"></a> +<span class="sourceLineNo">218</span> // skip if we filtered it out<a name="line.218"></a> +<span class="sourceLineNo">219</span> if (kv =
<TRUNCATED>
