@Override
      protected void bulkLoadPhase(AsyncClusterConnection conn, TableName tableName,
        Deque<LoadQueueItem> queue, Multimap<ByteBuffer, LoadQueueItem> regionGroups,
        boolean copyFiles, Map<LoadQueueItem, ByteBuffer> item2RegionMap) throws IOException {
        bulkloadRpcTimes.addAndGet(1);
        super.bulkLoadPhase(conn, tableName, queue, regionGroups, copyFiles, item2RegionMap);
      }
This test splits a table and attempts to bulk load. The bulk import files should be split
before atomically importing.
hbase-server/src/test/java/org/apache/hadoop/hbase/tool/TestBulkLoadHFilesSplitRecovery.java