Examples with ProcedureExecutor org.apache.hadoop.hbase.procedure2.ProcedureExecutor used on opensource projects

Example 36 with ProcedureExecutor

use of org.apache.hadoop.hbase.procedure2.ProcedureExecutor in project hbase by apache.

the class TestCatalogJanitorInMemoryStates method testInMemoryParentCleanup.

/**
 * Test clearing a split parent from memory.
 */
@Test
public void testInMemoryParentCleanup() throws IOException, InterruptedException, ExecutionException {
    HMaster master = TEST_UTIL.getHBaseCluster().getMaster();
    final AssignmentManager am = master.getAssignmentManager();
    final ServerManager sm = master.getServerManager();
    Admin admin = TEST_UTIL.getAdmin();
    admin.catalogJanitorSwitch(false);
    final TableName tableName = name.getTableName();
    Table t = TEST_UTIL.createTable(tableName, FAMILY);
    TEST_UTIL.loadTable(t, FAMILY, false);
    RegionLocator locator = TEST_UTIL.getConnection().getRegionLocator(tableName);
    List<HRegionLocation> allRegionLocations = locator.getAllRegionLocations();
    // We need to create a valid split with daughter regions
    HRegionLocation parent = allRegionLocations.get(0);
    List<HRegionLocation> daughters = splitRegion(parent.getRegion());
    LOG.info("Parent region: " + parent);
    LOG.info("Daughter regions: " + daughters);
    assertNotNull("Should have found daughter regions for " + parent, daughters);
    assertTrue("Parent region should exist in RegionStates", am.getRegionStates().isRegionInRegionStates(parent.getRegion()));
    assertTrue("Parent region should exist in ServerManager", sm.isRegionInServerManagerStates(parent.getRegion()));
    // clean the parent
    Result r = MetaMockingUtil.getMetaTableRowResult(parent.getRegion(), null, daughters.get(0).getRegion(), daughters.get(1).getRegion());
    CatalogJanitor.cleanParent(master, parent.getRegion(), r);
    // wait for procedures to complete
    Waiter.waitFor(TEST_UTIL.getConfiguration(), 10 * 1000, new Waiter.Predicate<Exception>() {

        @Override
        public boolean evaluate() throws Exception {
            ProcedureExecutor<MasterProcedureEnv> pe = master.getMasterProcedureExecutor();
            for (Procedure<MasterProcedureEnv> proc : pe.getProcedures()) {
                if (proc.getClass().isAssignableFrom(GCRegionProcedure.class) && proc.isFinished()) {
                    return true;
                }
            }
            return false;
        }
    });
    assertFalse("Parent region should have been removed from RegionStates", am.getRegionStates().isRegionInRegionStates(parent.getRegion()));
    assertFalse("Parent region should have been removed from ServerManager", sm.isRegionInServerManagerStates(parent.getRegion()));
}