Examples with RegionState org.apache.hadoop.hbase.master.RegionState used on opensource projects

Example 6 with RegionState

use of org.apache.hadoop.hbase.master.RegionState in project hbase by apache.

the class HBaseFsckRepair method waitUntilAssigned.

/*
   * Should we check all assignments or just not in RIT?
   */
public static void waitUntilAssigned(Admin admin, HRegionInfo region) throws IOException, InterruptedException {
    long timeout = admin.getConfiguration().getLong("hbase.hbck.assign.timeout", 120000);
    long expiration = timeout + EnvironmentEdgeManager.currentTime();
    while (EnvironmentEdgeManager.currentTime() < expiration) {
        try {
            boolean inTransition = false;
            for (RegionState rs : admin.getClusterStatus().getRegionsInTransition()) {
                if (rs.getRegion().equals(region)) {
                    inTransition = true;
                    break;
                }
            }
            if (!inTransition) {
                // yay! no longer RIT
                return;
            }
            // still in rit
            LOG.info("Region still in transition, waiting for " + "it to become assigned: " + region);
        } catch (IOException e) {
            LOG.warn("Exception when waiting for region to become assigned," + " retrying", e);
        }
        Thread.sleep(1000);
    }
    throw new IOException("Region " + region + " failed to move out of " + "transition within timeout " + timeout + "ms");
}

Example 7 with RegionState

use of org.apache.hadoop.hbase.master.RegionState in project hbase by apache.

the class MergeTableRegionsProcedure method openMergedRegions.

/**
   * Assign merged region
   * @param env MasterProcedureEnv
   * @throws IOException
   * @throws InterruptedException
   **/
private void openMergedRegions(final MasterProcedureEnv env) throws IOException, InterruptedException {
    // Check whether the merged region is already opened; if so,
    // this is retry and we should just ignore.
    RegionState regionState = getAssignmentManager(env).getRegionStates().getRegionState(mergedRegionInfo);
    if (regionState != null && regionState.isOpened()) {
        LOG.info("Skip opening merged region " + mergedRegionInfo.getRegionNameAsString() + " as it is already opened.");
        return;
    }
    // TODO: The new AM should provide an API to force assign the merged region to the same RS
    // as daughter regions; if the RS is unavailable, then assign to a different RS.
    env.getMasterServices().getAssignmentManager().assignMergedRegion(mergedRegionInfo, regionsToMerge[0], regionsToMerge[1]);
}

Example 8 with RegionState

use of org.apache.hadoop.hbase.master.RegionState in project hbase by apache.

the class MergeTableRegionsProcedure method prepareMergeRegion.

/**
   * Prepare merge and do some check
   * @param env MasterProcedureEnv
   * @throws IOException
   */
private void prepareMergeRegion(final MasterProcedureEnv env) throws IOException {
    // Note: the following logic assumes that we only have 2 regions to merge.  In the future,
    // if we want to extend to more than 2 regions, the code needs to modify a little bit.
    //
    CatalogJanitor catalogJanitor = env.getMasterServices().getCatalogJanitor();
    boolean regionAHasMergeQualifier = !catalogJanitor.cleanMergeQualifier(regionsToMerge[0]);
    if (regionAHasMergeQualifier || !catalogJanitor.cleanMergeQualifier(regionsToMerge[1])) {
        String msg = "Skip merging regions " + getRegionsToMergeListFullNameString() + ", because region " + (regionAHasMergeQualifier ? regionsToMerge[0].getEncodedName() : regionsToMerge[1].getEncodedName()) + " has merge qualifier";
        LOG.warn(msg);
        throw new MergeRegionException(msg);
    }
    RegionStates regionStates = getAssignmentManager(env).getRegionStates();
    RegionState regionStateA = regionStates.getRegionState(regionsToMerge[0].getEncodedName());
    RegionState regionStateB = regionStates.getRegionState(regionsToMerge[1].getEncodedName());
    if (regionStateA == null || regionStateB == null) {
        throw new UnknownRegionException(regionStateA == null ? regionsToMerge[0].getEncodedName() : regionsToMerge[1].getEncodedName());
    }
    if (!regionStateA.isOpened() || !regionStateB.isOpened()) {
        throw new MergeRegionException("Unable to merge regions not online " + regionStateA + ", " + regionStateB);
    }
}

Example 9 with RegionState

use of org.apache.hadoop.hbase.master.RegionState in project hbase by apache.

the class TestHRegionInfo method testRegionDetailsForDisplay.

@Test
public void testRegionDetailsForDisplay() throws IOException {
    byte[] startKey = new byte[] { 0x01, 0x01, 0x02, 0x03 };
    byte[] endKey = new byte[] { 0x01, 0x01, 0x02, 0x04 };
    Configuration conf = new Configuration();
    conf.setBoolean("hbase.display.keys", false);
    HRegionInfo h = new HRegionInfo(TableName.valueOf(name.getMethodName()), startKey, endKey);
    checkEquality(h, conf);
    // check HRIs with non-default replicaId
    h = new HRegionInfo(TableName.valueOf(name.getMethodName()), startKey, endKey, false, System.currentTimeMillis(), 1);
    checkEquality(h, conf);
    Assert.assertArrayEquals(HRegionInfo.HIDDEN_END_KEY, HRegionInfo.getEndKeyForDisplay(h, conf));
    Assert.assertArrayEquals(HRegionInfo.HIDDEN_START_KEY, HRegionInfo.getStartKeyForDisplay(h, conf));
    RegionState state = new RegionState(h, RegionState.State.OPEN);
    String descriptiveNameForDisplay = HRegionInfo.getDescriptiveNameFromRegionStateForDisplay(state, conf);
    checkDescriptiveNameEquality(descriptiveNameForDisplay, state.toDescriptiveString(), startKey);
    conf.setBoolean("hbase.display.keys", true);
    Assert.assertArrayEquals(endKey, HRegionInfo.getEndKeyForDisplay(h, conf));
    Assert.assertArrayEquals(startKey, HRegionInfo.getStartKeyForDisplay(h, conf));
    Assert.assertEquals(state.toDescriptiveString(), HRegionInfo.getDescriptiveNameFromRegionStateForDisplay(state, conf));
}

Example 10 with RegionState

use of org.apache.hadoop.hbase.master.RegionState in project hbase by apache.

the class ProtobufUtil method convert.

/**
   * Convert a protobuf ClusterStatus to a ClusterStatus
   *
   * @param proto the protobuf ClusterStatus
   * @return the converted ClusterStatus
   */
public static ClusterStatus convert(ClusterStatusProtos.ClusterStatus proto) {
    Map<ServerName, ServerLoad> servers = null;
    servers = new HashMap<>(proto.getLiveServersList().size());
    for (LiveServerInfo lsi : proto.getLiveServersList()) {
        servers.put(ProtobufUtil.toServerName(lsi.getServer()), new ServerLoad(lsi.getServerLoad()));
    }
    Collection<ServerName> deadServers = null;
    deadServers = new ArrayList<>(proto.getDeadServersList().size());
    for (HBaseProtos.ServerName sn : proto.getDeadServersList()) {
        deadServers.add(ProtobufUtil.toServerName(sn));
    }
    Collection<ServerName> backupMasters = null;
    backupMasters = new ArrayList<>(proto.getBackupMastersList().size());
    for (HBaseProtos.ServerName sn : proto.getBackupMastersList()) {
        backupMasters.add(ProtobufUtil.toServerName(sn));
    }
    Set<RegionState> rit = null;
    rit = new HashSet<>(proto.getRegionsInTransitionList().size());
    for (RegionInTransition region : proto.getRegionsInTransitionList()) {
        RegionState value = RegionState.convert(region.getRegionState());
        rit.add(value);
    }
    String[] masterCoprocessors = null;
    final int numMasterCoprocessors = proto.getMasterCoprocessorsCount();
    masterCoprocessors = new String[numMasterCoprocessors];
    for (int i = 0; i < numMasterCoprocessors; i++) {
        masterCoprocessors[i] = proto.getMasterCoprocessors(i).getName();
    }
    return new ClusterStatus(proto.getHbaseVersion().getVersion(), ClusterId.convert(proto.getClusterId()).toString(), servers, deadServers, ProtobufUtil.toServerName(proto.getMaster()), backupMasters, rit, masterCoprocessors, proto.getBalancerOn());
}