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

Example 96 with ServerName

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

the class HBaseAdmin method drainRegionServers.

@Override
public void drainRegionServers(List<ServerName> servers) throws IOException {
    final List<HBaseProtos.ServerName> pbServers = new ArrayList<>(servers.size());
    for (ServerName server : servers) {
        // Parse to ServerName to do simple validation.
        ServerName.parseServerName(server.toString());
        pbServers.add(ProtobufUtil.toServerName(server));
    }
    executeCallable(new MasterCallable<Void>(getConnection(), getRpcControllerFactory()) {

        @Override
        public Void rpcCall() throws ServiceException {
            DrainRegionServersRequest req = DrainRegionServersRequest.newBuilder().addAllServerName(pbServers).build();
            master.drainRegionServers(getRpcController(), req);
            return null;
        }
    });
}

Example 97 with ServerName

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

the class HRegionLocator method getAllRegionLocations.

@Override
public List<HRegionLocation> getAllRegionLocations() throws IOException {
    TableName tableName = getName();
    List<Pair<HRegionInfo, ServerName>> locations = MetaTableAccessor.getTableRegionsAndLocations(this.connection, tableName);
    ArrayList<HRegionLocation> regions = new ArrayList<>(locations.size());
    for (Pair<HRegionInfo, ServerName> entry : locations) {
        regions.add(new HRegionLocation(entry.getFirst(), entry.getSecond()));
    }
    if (regions.size() > 0) {
        connection.cacheLocation(tableName, new RegionLocations(regions));
    }
    return regions;
}

Example 98 with ServerName

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

the class HBaseAdmin method closeRegionWithEncodedRegionName.

@Override
public boolean closeRegionWithEncodedRegionName(final String encodedRegionName, final String serverName) throws IOException {
    if (null == serverName || ("").equals(serverName.trim())) {
        throw new IllegalArgumentException("The servername cannot be null or empty.");
    }
    ServerName sn = ServerName.valueOf(serverName);
    AdminService.BlockingInterface admin = this.connection.getAdmin(sn);
    // Close the region without updating zk state.
    CloseRegionRequest request = ProtobufUtil.buildCloseRegionRequest(sn, encodedRegionName);
    // TODO: There is no timeout on this controller. Set one!
    HBaseRpcController controller = this.rpcControllerFactory.newController();
    try {
        CloseRegionResponse response = admin.closeRegion(controller, request);
        boolean closed = response.getClosed();
        if (false == closed) {
            LOG.error("Not able to close the region " + encodedRegionName + ".");
        }
        return closed;
    } catch (Exception e) {
        throw ProtobufUtil.handleRemoteException(e);
    }
}

Example 99 with ServerName

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

the class HBaseAdmin method flushRegion.

@Override
public void flushRegion(final byte[] regionName) throws IOException {
    Pair<HRegionInfo, ServerName> regionServerPair = getRegion(regionName);
    if (regionServerPair == null) {
        throw new IllegalArgumentException("Unknown regionname: " + Bytes.toStringBinary(regionName));
    }
    if (regionServerPair.getSecond() == null) {
        throw new NoServerForRegionException(Bytes.toStringBinary(regionName));
    }
    final HRegionInfo hRegionInfo = regionServerPair.getFirst();
    ServerName serverName = regionServerPair.getSecond();
    final AdminService.BlockingInterface admin = this.connection.getAdmin(serverName);
    Callable<Void> callable = new Callable<Void>() {

        @Override
        public Void call() throws Exception {
            // TODO: There is no timeout on this controller. Set one!
            HBaseRpcController controller = rpcControllerFactory.newController();
            FlushRegionRequest request = RequestConverter.buildFlushRegionRequest(hRegionInfo.getRegionName());
            admin.flushRegion(controller, request);
            return null;
        }
    };
    ProtobufUtil.call(callable);
}

Example 100 with ServerName

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

the class HBaseAdmin method split.

/**
   * {@inheritDoc}
   */
@Override
public void split(final TableName tableName, final byte[] splitPoint) throws IOException {
    ZooKeeperWatcher zookeeper = null;
    try {
        checkTableExists(tableName);
        zookeeper = new ZooKeeperWatcher(conf, ZK_IDENTIFIER_PREFIX + connection.toString(), new ThrowableAbortable());
        List<Pair<HRegionInfo, ServerName>> pairs;
        if (TableName.META_TABLE_NAME.equals(tableName)) {
            pairs = new MetaTableLocator().getMetaRegionsAndLocations(zookeeper);
        } else {
            pairs = MetaTableAccessor.getTableRegionsAndLocations(connection, tableName);
        }
        for (Pair<HRegionInfo, ServerName> pair : pairs) {
            // May not be a server for a particular row
            if (pair.getSecond() == null)
                continue;
            HRegionInfo r = pair.getFirst();
            // check for parents
            if (r.isSplitParent())
                continue;
            // if a split point given, only split that particular region
            if (r.getReplicaId() != HRegionInfo.DEFAULT_REPLICA_ID || (splitPoint != null && !r.containsRow(splitPoint)))
                continue;
            // call out to region server to do split now
            split(pair.getSecond(), pair.getFirst(), splitPoint);
        }
    } finally {
        if (zookeeper != null) {
            zookeeper.close();
        }
    }
}