Examples with HBaseIOException org.apache.hadoop.hbase.HBaseIOException used on opensource projects

Example 31 with HBaseIOException

use of org.apache.hadoop.hbase.HBaseIOException in project hbase by apache.

the class FavoredNodeLoadBalancer method randomAssignment.

@Override
public ServerName randomAssignment(RegionInfo regionInfo, List<ServerName> servers) throws HBaseIOException {
    try {
        FavoredNodeAssignmentHelper assignmentHelper = new FavoredNodeAssignmentHelper(servers, rackManager);
        assignmentHelper.initialize();
        ServerName primary = super.randomAssignment(regionInfo, servers);
        if (!FavoredNodesManager.isFavoredNodeApplicable(regionInfo) || !assignmentHelper.canPlaceFavoredNodes()) {
            return primary;
        }
        List<ServerName> favoredNodes = fnm.getFavoredNodes(regionInfo);
        // server as well (available servers, that is)
        if (favoredNodes != null) {
            for (ServerName s : favoredNodes) {
                ServerName serverWithLegitStartCode = availableServersContains(servers, s);
                if (serverWithLegitStartCode != null) {
                    return serverWithLegitStartCode;
                }
            }
        }
        List<RegionInfo> regions = new ArrayList<>(1);
        regions.add(regionInfo);
        Map<RegionInfo, ServerName> primaryRSMap = new HashMap<>(1);
        primaryRSMap.put(regionInfo, primary);
        assignSecondaryAndTertiaryNodesForRegion(assignmentHelper, regions, primaryRSMap);
        return primary;
    } catch (Exception ex) {
        LOG.warn("Encountered exception while doing favored-nodes (random)assignment " + ex + " Falling back to regular assignment");
        return super.randomAssignment(regionInfo, servers);
    }
}

Example 32 with HBaseIOException

use of org.apache.hadoop.hbase.HBaseIOException in project hbase by apache.

the class TestAssignmentManagerUtil method testCreateUnassignProcedureForSplitFail.

@Test
public void testCreateUnassignProcedureForSplitFail() throws IOException {
    RegionInfo region = getPrimaryRegions().get(0);
    AM.getRegionStates().getRegionStateNode(region).setProcedure(TransitRegionStateProcedure.unassign(ENV, region));
    try {
        AssignmentManagerUtil.createUnassignProceduresForSplitOrMerge(ENV, Stream.of(region), REGION_REPLICATION);
        fail("Should fail as the region is in transition");
    } catch (HBaseIOException e) {
    // expected
    }
}

Example 33 with HBaseIOException

use of org.apache.hadoop.hbase.HBaseIOException in project hbase by apache.

the class TestAssignmentManagerUtil method testCreateUnassignProceduresForMergeFail.

@Test
public void testCreateUnassignProceduresForMergeFail() throws IOException {
    List<RegionInfo> regions = getPrimaryRegions();
    RegionInfo regionA = regions.get(0);
    RegionInfo regionB = regions.get(1);
    AM.getRegionStates().getRegionStateNode(regionB).setProcedure(TransitRegionStateProcedure.unassign(ENV, regionB));
    try {
        AssignmentManagerUtil.createUnassignProceduresForSplitOrMerge(ENV, Stream.of(regionA, regionB), REGION_REPLICATION);
        fail("Should fail as the region is in transition");
    } catch (HBaseIOException e) {
    // expected
    }
    IntStream.range(0, REGION_REPLICATION).mapToObj(i -> RegionReplicaUtil.getRegionInfoForReplica(regionA, i)).map(AM.getRegionStates()::getRegionStateNode).forEachOrdered(rn -> assertFalse("Should have unset the proc for " + rn, rn.isInTransition()));
}

Example 34 with HBaseIOException

use of org.apache.hadoop.hbase.HBaseIOException in project hbase by apache.

the class TestRegionProcedureStoreMigration method testMigrateWithUnsupportedProcedures.

@Test
public void testMigrateWithUnsupportedProcedures() throws IOException {
    AssignProcedure assignProc = new AssignProcedure();
    assignProc.setProcId(1L);
    assignProc.setRegionInfo(RegionInfoBuilder.newBuilder(TableName.valueOf("table")).build());
    walStore.insert(assignProc, null);
    walStore.stop(true);
    try {
        store = RegionProcedureStoreTestHelper.createStore(server, region, new LoadCounter());
        fail("Should fail since AssignProcedure is not supported");
    } catch (HBaseIOException e) {
        assertThat(e.getMessage(), startsWith("Unsupported"));
    }
}

Example 35 with HBaseIOException

use of org.apache.hadoop.hbase.HBaseIOException in project hbase by apache.

the class TestReportRegionStateTransitionFromDeadServer method test.

@Test
public void test() throws HBaseIOException, InterruptedException, ExecutionException {
    RegionInfo region = UTIL.getMiniHBaseCluster().getRegions(NAME).get(0).getRegionInfo();
    AssignmentManager am = UTIL.getMiniHBaseCluster().getMaster().getAssignmentManager();
    RegionStateNode rsn = am.getRegionStates().getRegionStateNode(region);
    // move from rs0 to rs1, and then kill rs0. Later add rs1 to exclude servers, and at last verify
    // that the region should not be on rs1 and rs2 both.
    HRegionServer rs0 = UTIL.getMiniHBaseCluster().getRegionServer(rsn.getRegionLocation());
    HRegionServer rs1 = UTIL.getOtherRegionServer(rs0);
    HRegionServer rs2 = UTIL.getMiniHBaseCluster().getRegionServerThreads().stream().map(t -> t.getRegionServer()).filter(rs -> rs != rs0 && rs != rs1).findAny().get();
    RESUME_REPORT = new CountDownLatch(1);
    ARRIVE_REPORT = new CountDownLatch(1);
    Future<?> future = am.moveAsync(new RegionPlan(region, rs0.getServerName(), rs1.getServerName()));
    ARRIVE_REPORT.await();
    RESUME_GET_REGIONS = new CountDownLatch(1);
    ARRIVE_GET_REGIONS = new CountDownLatch(1);
    rs0.abort("For testing!");
    ARRIVE_GET_REGIONS.await();
    RESUME_REPORT.countDown();
    try {
        future.get(15, TimeUnit.SECONDS);
    } catch (TimeoutException e) {
    // after the fix in HBASE-21508 we will get this exception as the TRSP can not be finished any
    // more before SCP interrupts it. It's OK.
    }
    EXCLUDE_SERVERS.add(rs1.getServerName());
    RESUME_GET_REGIONS.countDown();
    // wait until there are no running procedures, no SCP and no TRSP
    UTIL.waitFor(30000, () -> UTIL.getMiniHBaseCluster().getMaster().getMasterProcedureExecutor().getActiveProcIds().isEmpty());
    boolean onRS1 = !rs1.getRegions(NAME).isEmpty();
    boolean onRS2 = !rs2.getRegions(NAME).isEmpty();
    assertNotEquals("should either be on rs1 or rs2, but onRS1 is " + onRS1 + " and on RS2 is " + onRS2, onRS1, onRS2);
}