/** * Configure <code>job</code> with a TotalOrderPartitioner, partitioning against <code>splitPoints * </code>. Cleans up the partitions file after job exists. */ static void configurePartitioner(Job job, List<ImmutableBytesWritable> splitPoints) throws IOException { Configuration conf = job.getConfiguration(); // create the partitions file FileSystem fs = FileSystem.get(conf); Path partitionsPath = new Path(conf.get("hbase.fs.tmp.dir"), "partitions_" + UUID.randomUUID()); fs.makeQualified(partitionsPath); writePartitions(conf, partitionsPath, splitPoints); fs.deleteOnExit(partitionsPath); // configure job to use it job.setPartitionerClass(TotalOrderPartitioner.class); TotalOrderPartitioner.setPartitionFile(conf, partitionsPath); }
/** * Configure <code>job</code> with a TotalOrderPartitioner, partitioning against <code>splitPoints * </code>. Cleans up the partitions file after job exists. */ static void configurePartitioner(Job job, List<ImmutableBytesWritable> splitPoints) throws IOException { Configuration conf = job.getConfiguration(); // create the partitions file FileSystem fs = FileSystem.get(conf); String hbaseTmpFsDir = conf.get( HConstants.TEMPORARY_FS_DIRECTORY_KEY, HConstants.DEFAULT_TEMPORARY_HDFS_DIRECTORY); Path partitionsPath = new Path(hbaseTmpFsDir, "partitions_" + UUID.randomUUID()); fs.makeQualified(partitionsPath); writePartitions(conf, partitionsPath, splitPoints); fs.deleteOnExit(partitionsPath); // configure job to use it job.setPartitionerClass(TotalOrderPartitioner.class); TotalOrderPartitioner.setPartitionFile(conf, partitionsPath); }