/** Spin up a cluster with a bunch of regions on it. */
@BeforeClass
public static void setUpBeforeClass() throws Exception {
TEST_UTIL.startMiniCluster(NB_SLAVES);
TEST_UTIL.getHBaseCluster().waitForActiveAndReadyMaster();
TEST_UTIL.getConfiguration().setBoolean("hbase.master.enabletable.roundrobin", true);
final List<String> families = new ArrayList<String>(1);
families.add("family");
TEST_UTIL.createRandomTable("table", families, 1, 0, 0, COUNT_OF_REGIONS, 0);
// Ensure a stable env
TEST_UTIL.getHBaseAdmin().setBalancerRunning(false, false);
boolean ready = false;
while (!ready) {
waitForAllRegionsOnline();
// Assert that every regionserver has some regions on it.
int i = 0;
ready = true;
while (i < NB_SLAVES && ready) {
HRegionServer hrs = TEST_UTIL.getMiniHBaseCluster().getRegionServer(i);
if (ProtobufUtil.getOnlineRegions(hrs).isEmpty()) {
ready = false;
}
i++;
}
if (!ready) {
TEST_UTIL.getHBaseAdmin().setBalancerRunning(true, true);
Assert.assertTrue("Can't start a balance!", TEST_UTIL.getHBaseAdmin().balancer());
TEST_UTIL.getHBaseAdmin().setBalancerRunning(false, false);
Thread.sleep(100);
}
}
}
