/** * Start up a mini cluster and put a small table of many empty regions into it. * * @throws Exception */ @BeforeClass public static void beforeAllTests() throws Exception { TEST_UTIL.getConfiguration().setBoolean("dfs.support.append", true); TEST_UTIL.startMiniCluster(2); // Create a table of three families. This will assign a region. TEST_UTIL.createTable(Bytes.toBytes(TABLENAME), FAMILIES); HTable t = new HTable(TEST_UTIL.getConfiguration(), TABLENAME); int countOfRegions = TEST_UTIL.createMultiRegions(t, getTestFamily()); TEST_UTIL.waitUntilAllRegionsAssigned(countOfRegions); addToEachStartKey(countOfRegions); t.close(); }
/** * Create a Mob table. * * @param util * @param tableName * @param families * @return An HTable instance for the created table. * @throws IOException */ public static Table createMobTable( final HBaseTestingUtility util, final TableName tableName, final byte[]... families) throws IOException { HTableDescriptor htd = new HTableDescriptor(tableName); for (byte[] family : families) { HColumnDescriptor hcd = new HColumnDescriptor(family); // Disable blooms (they are on by default as of 0.95) but we disable them // here because // tests have hard coded counts of what to expect in block cache, etc., // and blooms being // on is interfering. hcd.setBloomFilterType(BloomType.NONE); hcd.setMobEnabled(true); hcd.setMobThreshold(0L); htd.addFamily(hcd); } util.getHBaseAdmin().createTable(htd); // HBaseAdmin only waits for regions to appear in hbase:meta we should wait // until they are assigned util.waitUntilAllRegionsAssigned(htd.getTableName()); return ConnectionFactory.createConnection(util.getConfiguration()).getTable(htd.getTableName()); }