/**
* 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());
}
