http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f3d62514/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/WALPlayer.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/WALPlayer.html b/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/WALPlayer.html index 9501e97..a10ddfe 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/WALPlayer.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/mapreduce/WALPlayer.html @@ -131,277 +131,279 @@ <span class="sourceLineNo">123</span> }<a name="line.123"></a> <span class="sourceLineNo">124</span> }<a name="line.124"></a> <span class="sourceLineNo">125</span> } catch (InterruptedException e) {<a name="line.125"></a> -<span class="sourceLineNo">126</span> e.printStackTrace();<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 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@param args The command line parameters.<a name="line.263"></a> -<span class="sourceLineNo">264</span> * @return The newly created job.<a name="line.264"></a> -<span class="sourceLineNo">265</span> * @throws IOException When setting up the job fails.<a name="line.265"></a> -<span class="sourceLineNo">266</span> */<a name="line.266"></a> -<span class="sourceLineNo">267</span> public Job createSubmittableJob(String[] args) throws IOException {<a name="line.267"></a> -<span class="sourceLineNo">268</span> Configuration conf = getConf();<a name="line.268"></a> -<span class="sourceLineNo">269</span> setupTime(conf, WALInputFormat.START_TIME_KEY);<a name="line.269"></a> -<span class="sourceLineNo">270</span> setupTime(conf, WALInputFormat.END_TIME_KEY);<a name="line.270"></a> -<span class="sourceLineNo">271</span> String inputDirs = args[0];<a name="line.271"></a> -<span class="sourceLineNo">272</span> String[] tables = args[1].split(",");<a name="line.272"></a> -<span class="sourceLineNo">273</span> String[] tableMap;<a name="line.273"></a> -<span class="sourceLineNo">274</span> if (args.length > 2) {<a name="line.274"></a> -<span class="sourceLineNo">275</span> tableMap = args[2].split(",");<a name="line.275"></a> -<span class="sourceLineNo">276</span> if (tableMap.length != tables.length) {<a name="line.276"></a> -<span class="sourceLineNo">277</span> throw new IOException("The same number of tables and mapping must be provided.");<a name="line.277"></a> -<span class="sourceLineNo">278</span> }<a name="line.278"></a> -<span class="sourceLineNo">279</span> } else {<a name="line.279"></a> -<span class="sourceLineNo">280</span> // if not mapping is specified map each table to itself<a name="line.280"></a> -<span class="sourceLineNo">281</span> tableMap = tables;<a name="line.281"></a> -<span class="sourceLineNo">282</span> }<a name="line.282"></a> -<span class="sourceLineNo">283</span> conf.setStrings(TABLES_KEY, tables);<a name="line.283"></a> 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Can be null.<a name="line.345"></a> -<span class="sourceLineNo">346</span> */<a name="line.346"></a> -<span class="sourceLineNo">347</span> private void usage(final String errorMsg) {<a name="line.347"></a> -<span class="sourceLineNo">348</span> if (errorMsg != null && errorMsg.length() > 0) {<a name="line.348"></a> -<span class="sourceLineNo">349</span> System.err.println("ERROR: " + errorMsg);<a name="line.349"></a> -<span class="sourceLineNo">350</span> }<a name="line.350"></a> -<span class="sourceLineNo">351</span> System.err.println("Usage: " + NAME + " [options] <wal inputdir> <tables> [<tableMappings>]");<a name="line.351"></a> -<span class="sourceLineNo">352</span> System.err.println("Replay all WAL files into HBase.");<a name="line.352"></a> -<span class="sourceLineNo">353</span> System.err.println("<tables> is a comma separated list of tables.");<a name="line.353"></a> -<span class="sourceLineNo">354</span> System.err.println("If no tables (\"\") are specified, all tables are imported.");<a name="line.354"></a> -<span class="sourceLineNo">355</span> System.err.println("(Be careful, hbase:meta entries will be imported in this case.)\n");<a name="line.355"></a> -<span class="sourceLineNo">356</span> System.err.println("WAL entries can be mapped to new set of tables via <tableMappings>.");<a name="line.356"></a> -<span class="sourceLineNo">357</span> System.err.println("<tableMappings> is a comma separated list of target tables.");<a name="line.357"></a> -<span class="sourceLineNo">358</span> System.err.println("If specified, each table in <tables> must have a mapping.\n");<a name="line.358"></a> -<span class="sourceLineNo">359</span> System.err.println("By default " + NAME + " will load data directly into HBase.");<a name="line.359"></a> -<span class="sourceLineNo">360</span> System.err.println("To generate HFiles for a bulk data load instead, pass the following option:");<a name="line.360"></a> -<span class="sourceLineNo">361</span> System.err.println(" -D" + BULK_OUTPUT_CONF_KEY + "=/path/for/output");<a name="line.361"></a> -<span class="sourceLineNo">362</span> System.err.println(" (Only one table can be specified, and no mapping is allowed!)");<a name="line.362"></a> -<span class="sourceLineNo">363</span> System.err.println("Time range options:");<a name="line.363"></a> -<span class="sourceLineNo">364</span> System.err.println(" -D" + WALInputFormat.START_TIME_KEY + "=[date|ms]");<a name="line.364"></a> -<span class="sourceLineNo">365</span> System.err.println(" -D" + WALInputFormat.END_TIME_KEY + "=[date|ms]");<a name="line.365"></a> -<span class="sourceLineNo">366</span> System.err.println(" (The start and the end date of timerange. The dates can be expressed");<a name="line.366"></a> -<span class="sourceLineNo">367</span> System.err.println(" in milliseconds since epoch or in yyyy-MM-dd'T'HH:mm:ss.SS format.");<a name="line.367"></a> -<span class="sourceLineNo">368</span> System.err.println(" E.g. 1234567890120 or 2009-02-13T23:32:30.12)");<a name="line.368"></a> -<span class="sourceLineNo">369</span> System.err.println("Other options:");<a name="line.369"></a> -<span class="sourceLineNo">370</span> System.err.println(" -D" + JOB_NAME_CONF_KEY + "=jobName");<a name="line.370"></a> -<span class="sourceLineNo">371</span> System.err.println(" Use the specified mapreduce job name for the wal player");<a name="line.371"></a> -<span class="sourceLineNo">372</span> System.err.println("For performance also consider the following options:\n"<a name="line.372"></a> -<span class="sourceLineNo">373</span> + " -Dmapreduce.map.speculative=false\n"<a name="line.373"></a> -<span class="sourceLineNo">374</span> + " -Dmapreduce.reduce.speculative=false");<a name="line.374"></a> -<span class="sourceLineNo">375</span> }<a name="line.375"></a> -<span class="sourceLineNo">376</span><a name="line.376"></a> -<span class="sourceLineNo">377</span> /**<a name="line.377"></a> -<span class="sourceLineNo">378</span> * Main entry point.<a name="line.378"></a> -<span class="sourceLineNo">379</span> * @param args The command line parameters.<a name="line.379"></a> -<span class="sourceLineNo">380</span> * @throws Exception When running the job fails.<a name="line.380"></a> -<span class="sourceLineNo">381</span> */<a name="line.381"></a> -<span class="sourceLineNo">382</span> public static void main(String[] args) throws Exception {<a name="line.382"></a> -<span class="sourceLineNo">383</span> int ret = ToolRunner.run(new WALPlayer(HBaseConfiguration.create()), args);<a name="line.383"></a> -<span class="sourceLineNo">384</span> System.exit(ret);<a name="line.384"></a> -<span class="sourceLineNo">385</span> }<a 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LOG.error("Interrupted while emitting Cell", e);<a name="line.126"></a> +<span class="sourceLineNo">127</span> Thread.currentThread().interrupt();<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><a name="line.130"></a> +<span class="sourceLineNo">131</span> @Override<a name="line.131"></a> +<span class="sourceLineNo">132</span> public void setup(Context context) throws IOException {<a name="line.132"></a> +<span class="sourceLineNo">133</span> Configuration conf = context.getConfiguration();<a name="line.133"></a> +<span class="sourceLineNo">134</span> String[] tables = conf.getStrings(TABLES_KEY);<a name="line.134"></a> +<span class="sourceLineNo">135</span> this.multiTableSupport = conf.getBoolean(MULTI_TABLES_SUPPORT, false);<a name="line.135"></a> +<span class="sourceLineNo">136</span> for (String table : tables) {<a name="line.136"></a> +<span class="sourceLineNo">137</span> tableSet.add(table);<a name="line.137"></a> +<span class="sourceLineNo">138</span> }<a name="line.138"></a> +<span class="sourceLineNo">139</span> }<a name="line.139"></a> +<span class="sourceLineNo">140</span> }<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> * A mapper that writes out {@link Mutation} to be directly applied to a running HBase instance.<a name="line.143"></a> +<span class="sourceLineNo">144</span> */<a name="line.144"></a> +<span class="sourceLineNo">145</span> protected static class WALMapper<a name="line.145"></a> +<span class="sourceLineNo">146</span> extends Mapper<WALKey, WALEdit, ImmutableBytesWritable, Mutation> {<a name="line.146"></a> +<span class="sourceLineNo">147</span> private Map<TableName, TableName> tables = new TreeMap<>();<a name="line.147"></a> +<span class="sourceLineNo">148</span><a name="line.148"></a> +<span class="sourceLineNo">149</span> @Override<a name="line.149"></a> +<span class="sourceLineNo">150</span> public void map(WALKey key, WALEdit value, Context context) throws IOException {<a name="line.150"></a> +<span class="sourceLineNo">151</span> try {<a name="line.151"></a> +<span class="sourceLineNo">152</span> if (tables.isEmpty() || tables.containsKey(key.getTableName())) {<a name="line.152"></a> +<span class="sourceLineNo">153</span> TableName targetTable =<a name="line.153"></a> +<span class="sourceLineNo">154</span> tables.isEmpty() ? key.getTableName() : tables.get(key.getTableName());<a name="line.154"></a> +<span class="sourceLineNo">155</span> ImmutableBytesWritable tableOut = new ImmutableBytesWritable(targetTable.getName());<a name="line.155"></a> +<span class="sourceLineNo">156</span> Put put = null;<a name="line.156"></a> +<span class="sourceLineNo">157</span> Delete del = null;<a name="line.157"></a> +<span class="sourceLineNo">158</span> Cell lastCell = null;<a name="line.158"></a> +<span class="sourceLineNo">159</span> for (Cell cell : value.getCells()) {<a name="line.159"></a> +<span class="sourceLineNo">160</span> // filtering WAL meta entries<a name="line.160"></a> +<span class="sourceLineNo">161</span> if (WALEdit.isMetaEditFamily(cell)) {<a name="line.161"></a> +<span class="sourceLineNo">162</span> continue;<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> // Allow a subclass filter out this cell.<a name="line.165"></a> +<span class="sourceLineNo">166</span> if (filter(context, cell)) {<a name="line.166"></a> +<span class="sourceLineNo">167</span> // A WALEdit may contain multiple operations (HBASE-3584) and/or<a name="line.167"></a> +<span class="sourceLineNo">168</span> // multiple rows (HBASE-5229).<a name="line.168"></a> +<span 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name="line.191"></a> +<span class="sourceLineNo">192</span> lastCell = cell;<a name="line.192"></a> +<span class="sourceLineNo">193</span> }<a name="line.193"></a> +<span class="sourceLineNo">194</span> // write residual KVs<a name="line.194"></a> +<span class="sourceLineNo">195</span> if (put != null) {<a name="line.195"></a> +<span class="sourceLineNo">196</span> context.write(tableOut, put);<a name="line.196"></a> +<span class="sourceLineNo">197</span> }<a name="line.197"></a> +<span class="sourceLineNo">198</span> if (del != null) {<a name="line.198"></a> +<span class="sourceLineNo">199</span> context.write(tableOut, del);<a name="line.199"></a> +<span class="sourceLineNo">200</span> }<a name="line.200"></a> +<span class="sourceLineNo">201</span> }<a name="line.201"></a> +<span class="sourceLineNo">202</span> } catch (InterruptedException e) {<a name="line.202"></a> +<span class="sourceLineNo">203</span> LOG.error("Interrupted while writing results", e);<a name="line.203"></a> +<span class="sourceLineNo">204</span> Thread.currentThread().interrupt();<a name="line.204"></a> +<span class="sourceLineNo">205</span> }<a name="line.205"></a> +<span class="sourceLineNo">206</span> }<a name="line.206"></a> +<span class="sourceLineNo">207</span><a name="line.207"></a> +<span class="sourceLineNo">208</span> protected boolean filter(Context context, final Cell cell) {<a name="line.208"></a> +<span class="sourceLineNo">209</span> return true;<a name="line.209"></a> +<span class="sourceLineNo">210</span> }<a name="line.210"></a> +<span class="sourceLineNo">211</span><a name="line.211"></a> +<span class="sourceLineNo">212</span> @Override<a name="line.212"></a> +<span class="sourceLineNo">213</span> protected void<a name="line.213"></a> +<span class="sourceLineNo">214</span> cleanup(Mapper<WALKey, WALEdit, ImmutableBytesWritable, Mutation>.Context context)<a name="line.214"></a> +<span class="sourceLineNo">215</span> throws IOException, InterruptedException {<a name="line.215"></a> +<span class="sourceLineNo">216</span> super.cleanup(context);<a name="line.216"></a> +<span class="sourceLineNo">217</span> }<a name="line.217"></a> +<span class="sourceLineNo">218</span><a name="line.218"></a> +<span class="sourceLineNo">219</span> @Override<a name="line.219"></a> +<span class="sourceLineNo">220</span> public void setup(Context context) throws IOException {<a name="line.220"></a> +<span class="sourceLineNo">221</span> String[] tableMap = context.getConfiguration().getStrings(TABLE_MAP_KEY);<a name="line.221"></a> +<span class="sourceLineNo">222</span> String[] tablesToUse = context.getConfiguration().getStrings(TABLES_KEY);<a name="line.222"></a> +<span class="sourceLineNo">223</span> if (tableMap == null) {<a name="line.223"></a> +<span class="sourceLineNo">224</span> tableMap = tablesToUse;<a name="line.224"></a> +<span class="sourceLineNo">225</span> }<a name="line.225"></a> +<span class="sourceLineNo">226</span> if (tablesToUse == null) {<a name="line.226"></a> +<span class="sourceLineNo">227</span> // Then user wants all tables.<a name="line.227"></a> +<span class="sourceLineNo">228</span> } else if (tablesToUse.length != tableMap.length) {<a name="line.228"></a> +<span class="sourceLineNo">229</span> // this can only happen when WALMapper is used directly by a class other than WALPlayer<a name="line.229"></a> +<span class="sourceLineNo">230</span> throw new IOException("Incorrect table mapping specified .");<a name="line.230"></a> +<span class="sourceLineNo">231</span> }<a name="line.231"></a> +<span class="sourceLineNo">232</span> int i = 0;<a name="line.232"></a> +<span class="sourceLineNo">233</span> if (tablesToUse != null) {<a name="line.233"></a> +<span class="sourceLineNo">234</span> for (String table : tablesToUse) {<a name="line.234"></a> +<span class="sourceLineNo">235</span> tables.put(TableName.valueOf(table), TableName.valueOf(tableMap[i++]));<a name="line.235"></a> +<span class="sourceLineNo">236</span> }<a name="line.236"></a> +<span class="sourceLineNo">237</span> }<a name="line.237"></a> +<span class="sourceLineNo">238</span> }<a name="line.238"></a> +<span class="sourceLineNo">239</span> }<a name="line.239"></a> +<span class="sourceLineNo">240</span><a name="line.240"></a> +<span class="sourceLineNo">241</span> void setupTime(Configuration conf, String option) throws IOException {<a name="line.241"></a> +<span class="sourceLineNo">242</span> String val = conf.get(option);<a name="line.242"></a> +<span class="sourceLineNo">243</span> if (null == val) {<a name="line.243"></a> +<span class="sourceLineNo">244</span> return;<a name="line.244"></a> +<span class="sourceLineNo">245</span> }<a name="line.245"></a> +<span class="sourceLineNo">246</span> long ms;<a name="line.246"></a> +<span class="sourceLineNo">247</span> try {<a name="line.247"></a> +<span class="sourceLineNo">248</span> // first try to parse in user friendly form<a name="line.248"></a> +<span class="sourceLineNo">249</span> ms = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SS").parse(val).getTime();<a name="line.249"></a> +<span class="sourceLineNo">250</span> } catch (ParseException pe) {<a name="line.250"></a> +<span class="sourceLineNo">251</span> try {<a name="line.251"></a> +<span class="sourceLineNo">252</span> // then see if just a number of ms's was specified<a name="line.252"></a> +<span class="sourceLineNo">253</span> ms = Long.parseLong(val);<a name="line.253"></a> +<span class="sourceLineNo">254</span> } catch (NumberFormatException nfe) {<a name="line.254"></a> +<span class="sourceLineNo">255</span> throw new IOException(<a name="line.255"></a> +<span class="sourceLineNo">256</span> option + " must be specified either in the form 2001-02-20T16:35:06.99 "<a name="line.256"></a> +<span class="sourceLineNo">257</span> + "or as number of milliseconds");<a name="line.257"></a> +<span class="sourceLineNo">258</span> }<a name="line.258"></a> +<span class="sourceLineNo">259</span> }<a name="line.259"></a> +<span class="sourceLineNo">260</span> conf.setLong(option, ms);<a name="line.260"></a> +<span class="sourceLineNo">261</span> }<a name="line.261"></a> +<span class="sourceLineNo">262</span><a name="line.262"></a> +<span class="sourceLineNo">263</span> /**<a name="line.263"></a> +<span class="sourceLineNo">264</span> * Sets up the actual job.<a name="line.264"></a> +<span class="sourceLineNo">265</span> * @param args The command line parameters.<a name="line.265"></a> +<span class="sourceLineNo">266</span> * @return The newly created job.<a name="line.266"></a> +<span class="sourceLineNo">267</span> * @throws IOException When setting up the job fails.<a name="line.267"></a> +<span class="sourceLineNo">268</span> */<a name="line.268"></a> +<span class="sourceLineNo">269</span> public Job createSubmittableJob(String[] args) throws IOException {<a name="line.269"></a> +<span class="sourceLineNo">270</span> Configuration conf = getConf();<a name="line.270"></a> +<span class="sourceLineNo">271</span> setupTime(conf, WALInputFormat.START_TIME_KEY);<a name="line.271"></a> +<span class="sourceLineNo">272</span> setupTime(conf, WALInputFormat.END_TIME_KEY);<a name="line.272"></a> +<span class="sourceLineNo">273</span> String inputDirs = args[0];<a name="line.273"></a> +<span class="sourceLineNo">274</span> String[] tables = args[1].split(",");<a name="line.274"></a> +<span class="sourceLineNo">275</span> String[] tableMap;<a name="line.275"></a> +<span class="sourceLineNo">276</span> if (args.length > 2) {<a name="line.276"></a> +<span class="sourceLineNo">277</span> tableMap = args[2].split(",");<a name="line.277"></a> +<span class="sourceLineNo">278</span> if (tableMap.length != tables.length) {<a name="line.278"></a> +<span class="sourceLineNo">279</span> throw new IOException("The same number of tables and mapping must be provided.");<a name="line.279"></a> +<span class="sourceLineNo">280</span> }<a name="line.280"></a> +<span class="sourceLineNo">281</span> } else {<a name="line.281"></a> +<span class="sourceLineNo">282</span> // if not mapping is specified map each table to itself<a name="line.282"></a> +<span class="sourceLineNo">283</span> tableMap = tables;<a name="line.283"></a> +<span class="sourceLineNo">284</span> }<a name="line.284"></a> +<span class="sourceLineNo">285</span> conf.setStrings(TABLES_KEY, tables);<a name="line.285"></a> +<span class="sourceLineNo">286</span> conf.setStrings(TABLE_MAP_KEY, tableMap);<a name="line.286"></a> +<span class="sourceLineNo">287</span> conf.set(FileInputFormat.INPUT_DIR, inputDirs);<a name="line.287"></a> +<span class="sourceLineNo">288</span> Job job =<a name="line.288"></a> +<span class="sourceLineNo">289</span> Job.getInstance(conf, conf.get(JOB_NAME_CONF_KEY, NAME + "_" + System.currentTimeMillis()));<a name="line.289"></a> +<span class="sourceLineNo">290</span> job.setJarByClass(WALPlayer.class);<a name="line.290"></a> +<span class="sourceLineNo">291</span><a name="line.291"></a> +<span class="sourceLineNo">292</span> job.setInputFormatClass(WALInputFormat.class);<a name="line.292"></a> +<span class="sourceLineNo">293</span> job.setMapOutputKeyClass(ImmutableBytesWritable.class);<a name="line.293"></a> +<span class="sourceLineNo">294</span><a name="line.294"></a> +<span class="sourceLineNo">295</span> String hfileOutPath = conf.get(BULK_OUTPUT_CONF_KEY);<a name="line.295"></a> +<span class="sourceLineNo">296</span> if (hfileOutPath != null) {<a name="line.296"></a> +<span class="sourceLineNo">297</span> LOG.debug("add incremental job :" + hfileOutPath + " from " + inputDirs);<a name="line.297"></a> +<span class="sourceLineNo">298</span><a name="line.298"></a> +<span class="sourceLineNo">299</span> // the bulk HFile case<a name="line.299"></a> +<span class="sourceLineNo">300</span> List<TableName> tableNames = getTableNameList(tables);<a name="line.300"></a> +<span class="sourceLineNo">301</span><a name="line.301"></a> +<span class="sourceLineNo">302</span> job.setMapperClass(WALKeyValueMapper.class);<a name="line.302"></a> +<span class="sourceLineNo">303</span> job.setReducerClass(CellSortReducer.class);<a name="line.303"></a> +<span class="sourceLineNo">304</span> Path outputDir = new Path(hfileOutPath);<a name="line.304"></a> +<span class="sourceLineNo">305</span> FileOutputFormat.setOutputPath(job, outputDir);<a name="line.305"></a> +<span class="sourceLineNo">306</span> job.setMapOutputValueClass(MapReduceExtendedCell.class);<a name="line.306"></a> +<span class="sourceLineNo">307</span> try (Connection conn = ConnectionFactory.createConnection(conf);) {<a name="line.307"></a> +<span class="sourceLineNo">308</span> List<TableInfo> tableInfoList = new ArrayList<TableInfo>();<a name="line.308"></a> +<span class="sourceLineNo">309</span> for (TableName tableName : tableNames) {<a name="line.309"></a> +<span class="sourceLineNo">310</span> Table table = conn.getTable(tableName);<a name="line.310"></a> +<span class="sourceLineNo">311</span> RegionLocator regionLocator = conn.getRegionLocator(tableName);<a name="line.311"></a> +<span class="sourceLineNo">312</span> tableInfoList.add(new TableInfo(table.getDescriptor(), regionLocator));<a name="line.312"></a> +<span class="sourceLineNo">313</span> }<a name="line.313"></a> +<span class="sourceLineNo">314</span> MultiTableHFileOutputFormat.configureIncrementalLoad(job, tableInfoList);<a name="line.314"></a> +<span class="sourceLineNo">315</span> }<a name="line.315"></a> +<span class="sourceLineNo">316</span> TableMapReduceUtil.addDependencyJarsForClasses(job.getConfiguration(),<a name="line.316"></a> +<span class="sourceLineNo">317</span> org.apache.hbase.thirdparty.com.google.common.base.Preconditions.class);<a name="line.317"></a> +<span class="sourceLineNo">318</span> } else {<a name="line.318"></a> +<span class="sourceLineNo">319</span> // output to live cluster<a name="line.319"></a> +<span class="sourceLineNo">320</span> job.setMapperClass(WALMapper.class);<a name="line.320"></a> +<span class="sourceLineNo">321</span> job.setOutputFormatClass(MultiTableOutputFormat.class);<a name="line.321"></a> +<span class="sourceLineNo">322</span> TableMapReduceUtil.addDependencyJars(job);<a name="line.322"></a> +<span class="sourceLineNo">323</span> TableMapReduceUtil.initCredentials(job);<a name="line.323"></a> +<span class="sourceLineNo">324</span> // No reducers.<a name="line.324"></a> +<span class="sourceLineNo">325</span> job.setNumReduceTasks(0);<a name="line.325"></a> +<span class="sourceLineNo">326</span> }<a name="line.326"></a> +<span class="sourceLineNo">327</span> String codecCls = WALCellCodec.getWALCellCodecClass(conf);<a name="line.327"></a> +<span class="sourceLineNo">328</span> try {<a name="line.328"></a> +<span class="sourceLineNo">329</span> TableMapReduceUtil.addDependencyJarsForClasses(job.getConfiguration(),<a name="line.329"></a> +<span class="sourceLineNo">330</span> Class.forName(codecCls));<a name="line.330"></a> +<span class="sourceLineNo">331</span> } catch (Exception e) {<a name="line.331"></a> +<span class="sourceLineNo">332</span> throw new IOException("Cannot determine wal codec class " + codecCls, e);<a name="line.332"></a> +<span class="sourceLineNo">333</span> }<a name="line.333"></a> +<span class="sourceLineNo">334</span> return job;<a name="line.334"></a> +<span class="sourceLineNo">335</span> }<a name="line.335"></a> +<span class="sourceLineNo">336</span><a name="line.336"></a> +<span class="sourceLineNo">337</span> private List<TableName> getTableNameList(String[] tables) {<a name="line.337"></a> +<span class="sourceLineNo">338</span> List<TableName> list = new ArrayList<TableName>();<a name="line.338"></a> +<span class="sourceLineNo">339</span> for (String name : tables) {<a name="line.339"></a> +<span class="sourceLineNo">340</span> list.add(TableName.valueOf(name));<a name="line.340"></a> +<span class="sourceLineNo">341</span> }<a name="line.341"></a> +<span class="sourceLineNo">342</span> return list;<a name="line.342"></a> +<span class="sourceLineNo">343</span> }<a name="line.343"></a> +<span class="sourceLineNo">344</span><a name="line.344"></a> +<span class="sourceLineNo">345</span> /**<a name="line.345"></a> +<span class="sourceLineNo">346</span> * Print usage<a name="line.346"></a> +<span class="sourceLineNo">347</span> * @param errorMsg Error message. Can be null.<a name="line.347"></a> +<span class="sourceLineNo">348</span> */<a name="line.348"></a> +<span class="sourceLineNo">349</span> private void usage(final String errorMsg) {<a name="line.349"></a> +<span class="sourceLineNo">350</span> if (errorMsg != null && errorMsg.length() > 0) {<a name="line.350"></a> +<span class="sourceLineNo">351</span> System.err.println("ERROR: " + errorMsg);<a name="line.351"></a> +<span class="sourceLineNo">352</span> }<a name="line.352"></a> +<span class="sourceLineNo">353</span> System.err.println("Usage: " + NAME + " [options] <wal inputdir> <tables> [<tableMappings>]");<a name="line.353"></a> +<span class="sourceLineNo">354</span> System.err.println("Replay all WAL files into HBase.");<a name="line.354"></a> +<span class="sourceLineNo">355</span> System.err.println("<tables> is a comma separated list of tables.");<a name="line.355"></a> +<span class="sourceLineNo">356</span> System.err.println("If no tables (\"\") are specified, all tables are imported.");<a name="line.356"></a> +<span class="sourceLineNo">357</span> System.err.println("(Be careful, hbase:meta entries will be imported in this case.)\n");<a name="line.357"></a> +<span class="sourceLineNo">358</span> System.err.println("WAL entries can be mapped to new set of tables via <tableMappings>.");<a name="line.358"></a> +<span class="sourceLineNo">359</span> System.err.println("<tableMappings> is a comma separated list of target tables.");<a name="line.359"></a> +<span class="sourceLineNo">360</span> System.err.println("If specified, each table in <tables> must have a mapping.\n");<a name="line.360"></a> +<span class="sourceLineNo">361</span> System.err.println("By default " + NAME + " will load data directly into HBase.");<a name="line.361"></a> +<span class="sourceLineNo">362</span> System.err.println("To generate HFiles for a bulk data load instead, pass the following option:");<a name="line.362"></a> +<span class="sourceLineNo">363</span> System.err.println(" -D" + BULK_OUTPUT_CONF_KEY + "=/path/for/output");<a name="line.363"></a> +<span class="sourceLineNo">364</span> System.err.println(" (Only one table can be specified, and no mapping is allowed!)");<a name="line.364"></a> +<span class="sourceLineNo">365</span> System.err.println("Time range options:");<a name="line.365"></a> +<span class="sourceLineNo">366</span> System.err.println(" -D" + WALInputFormat.START_TIME_KEY + "=[date|ms]");<a name="line.366"></a> +<span class="sourceLineNo">367</span> System.err.println(" -D" + WALInputFormat.END_TIME_KEY + "=[date|ms]");<a name="line.367"></a> +<span class="sourceLineNo">368</span> System.err.println(" (The start and the end date of timerange. The dates can be expressed");<a name="line.368"></a> +<span class="sourceLineNo">369</span> System.err.println(" in milliseconds since epoch or in yyyy-MM-dd'T'HH:mm:ss.SS format.");<a name="line.369"></a> +<span class="sourceLineNo">370</span> System.err.println(" E.g. 1234567890120 or 2009-02-13T23:32:30.12)");<a name="line.370"></a> +<span class="sourceLineNo">371</span> System.err.println("Other options:");<a name="line.371"></a> +<span class="sourceLineNo">372</span> System.err.println(" -D" + JOB_NAME_CONF_KEY + "=jobName");<a name="line.372"></a> +<span class="sourceLineNo">373</span> System.err.println(" Use the specified mapreduce job name for the wal player");<a name="line.373"></a> +<span class="sourceLineNo">374</span> System.err.println("For performance also consider the following options:\n"<a name="line.374"></a> +<span class="sourceLineNo">375</span> + " -Dmapreduce.map.speculative=false\n"<a name="line.375"></a> +<span class="sourceLineNo">376</span> + " -Dmapreduce.reduce.speculative=false");<a name="line.376"></a> +<span class="sourceLineNo">377</span> }<a name="line.377"></a> +<span class="sourceLineNo">378</span><a name="line.378"></a> +<span class="sourceLineNo">379</span> /**<a name="line.379"></a> +<span class="sourceLineNo">380</span> * Main entry point.<a name="line.380"></a> +<span class="sourceLineNo">381</span> * @param args The command line parameters.<a name="line.381"></a> +<span class="sourceLineNo">382</span> * @throws Exception When running the job fails.<a name="line.382"></a> +<span class="sourceLineNo">383</span> */<a name="line.383"></a> +<span class="sourceLineNo">384</span> public static void main(String[] args) throws Exception {<a name="line.384"></a> +<span class="sourceLineNo">385</span> int ret = ToolRunner.run(new WALPlayer(HBaseConfiguration.create()), args);<a name="line.385"></a> +<span class="sourceLineNo">386</span> System.exit(ret);<a name="line.386"></a> +<span class="sourceLineNo">387</span> }<a name="line.387"></a> +<span class="sourceLineNo">388</span><a name="line.388"></a> +<span class="sourceLineNo">389</span> @Override<a name="line.389"></a> +<span class="sourceLineNo">390</span> public int run(String[] args) throws Exception {<a name="line.390"></a> +<span class="sourceLineNo">391</span> if (args.length < 2) {<a name="line.391"></a> +<span class="sourceLineNo">392</span> usage("Wrong number of arguments: " + args.length);<a name="line.392"></a> +<span class="sourceLineNo">393</span> System.exit(-1);<a name="line.393"></a> +<span class="sourceLineNo">394</span> }<a name="line.394"></a> +<span class="sourceLineNo">395</span> Job job = createSubmittableJob(args);<a name="line.395"></a> +<span class="sourceLineNo">396</span> return job.waitForCompletion(true) ? 0 : 1;<a name="line.396"></a> +<span class="sourceLineNo">397</span> }<a name="line.397"></a> +<span class="sourceLineNo">398</span>}<a name="line.398"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f3d62514/book.html ---------------------------------------------------------------------- diff --git a/book.html b/book.html index 8b4dfc5..8ab7b70 100644 --- a/book.html +++ b/book.html @@ -41148,7 +41148,7 @@ org/apache/hadoop/hbase/security/access/AccessControlClient.revoke:(Lorg/apache/ <div id="footer"> <div id="footer-text"> Version 3.0.0-SNAPSHOT<br> -Last updated 2018-08-15 14:30:43 UTC +Last updated 2018-08-16 14:29:53 UTC </div> </div> </body> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f3d62514/bulk-loads.html ---------------------------------------------------------------------- diff --git a/bulk-loads.html b/bulk-loads.html index a10609d..7cd8408 100644 --- a/bulk-loads.html +++ b/bulk-loads.html @@ -7,7 +7,7 @@ <head> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> - <meta name="Date-Revision-yyyymmdd" content="20180815" /> + <meta name="Date-Revision-yyyymmdd" content="20180816" /> <meta http-equiv="Content-Language" content="en" /> <title>Apache HBase – Bulk Loads in Apache HBase (TM) @@ -306,7 +306,7 @@ under the License. --> <a href="https://www.apache.org/";>The Apache Software Foundation</a>. All rights reserved. - <li id="publishDate" class="pull-right">Last Published: 2018-08-15</li> + <li id="publishDate" class="pull-right">Last Published: 2018-08-16</li> </p> </div>
