Examples with RegionInfo org.apache.hadoop.hbase.client.RegionInfo used on opensource projects

Example 6 with RegionInfo

use of org.apache.hadoop.hbase.client.RegionInfo in project hbase by apache.

the class RSRpcServices method updateFavoredNodes.

@Override
public UpdateFavoredNodesResponse updateFavoredNodes(RpcController controller, UpdateFavoredNodesRequest request) throws ServiceException {
    rpcPreCheck("updateFavoredNodes");
    List<UpdateFavoredNodesRequest.RegionUpdateInfo> openInfoList = request.getUpdateInfoList();
    UpdateFavoredNodesResponse.Builder respBuilder = UpdateFavoredNodesResponse.newBuilder();
    for (UpdateFavoredNodesRequest.RegionUpdateInfo regionUpdateInfo : openInfoList) {
        RegionInfo hri = ProtobufUtil.toRegionInfo(regionUpdateInfo.getRegion());
        if (regionUpdateInfo.getFavoredNodesCount() > 0) {
            server.updateRegionFavoredNodesMapping(hri.getEncodedName(), regionUpdateInfo.getFavoredNodesList());
        }
    }
    respBuilder.setResponse(openInfoList.size());
    return respBuilder.build();
}

Example 7 with RegionInfo

use of org.apache.hadoop.hbase.client.RegionInfo in project hbase by apache.

the class RSRpcServices method getRegionScanner.

private RegionScannerHolder getRegionScanner(ScanRequest request) throws IOException {
    String scannerName = toScannerName(request.getScannerId());
    RegionScannerHolder rsh = this.scanners.get(scannerName);
    if (rsh == null) {
        // just ignore the next or close request if scanner does not exists.
        if (closedScanners.getIfPresent(scannerName) != null) {
            throw SCANNER_ALREADY_CLOSED;
        } else {
            LOG.warn("Client tried to access missing scanner " + scannerName);
            throw new UnknownScannerException("Unknown scanner '" + scannerName + "'. This can happen due to any of the following " + "reasons: a) Scanner id given is wrong, b) Scanner lease expired because of " + "long wait between consecutive client checkins, c) Server may be closing down, " + "d) RegionServer restart during upgrade.\nIf the issue is due to reason (b), a " + "possible fix would be increasing the value of" + "'hbase.client.scanner.timeout.period' configuration.");
        }
    }
    rejectIfInStandByState(rsh.r);
    RegionInfo hri = rsh.s.getRegionInfo();
    // Yes, should be the same instance
    if (server.getOnlineRegion(hri.getRegionName()) != rsh.r) {
        String msg = "Region has changed on the scanner " + scannerName + ": regionName=" + hri.getRegionNameAsString() + ", scannerRegionName=" + rsh.r;
        LOG.warn(msg + ", closing...");
        scanners.remove(scannerName);
        try {
            rsh.s.close();
        } catch (IOException e) {
            LOG.warn("Getting exception closing " + scannerName, e);
        } finally {
            try {
                server.getLeaseManager().cancelLease(scannerName);
            } catch (LeaseException e) {
                LOG.warn("Getting exception closing " + scannerName, e);
            }
        }
        throw new NotServingRegionException(msg);
    }
    return rsh;
}

Example 8 with RegionInfo

use of org.apache.hadoop.hbase.client.RegionInfo in project hbase by apache.

the class SplitRequest method requestRegionSplit.

private void requestRegionSplit() {
    final TableName table = parent.getTable();
    final RegionInfo hri_a = RegionInfoBuilder.newBuilder(table).setStartKey(parent.getStartKey()).setEndKey(midKey).build();
    final RegionInfo hri_b = RegionInfoBuilder.newBuilder(table).setStartKey(midKey).setEndKey(parent.getEndKey()).build();
    // are created just to pass the information to the reportRegionStateTransition().
    if (!server.reportRegionStateTransition(new RegionStateTransitionContext(TransitionCode.READY_TO_SPLIT, HConstants.NO_SEQNUM, -1, parent, hri_a, hri_b))) {
        LOG.error("Unable to ask master to split " + parent.getRegionNameAsString());
    }
}

Example 9 with RegionInfo

use of org.apache.hadoop.hbase.client.RegionInfo in project hbase by apache.

the class MasterRpcServices method unassigns.

/**
 * A 'raw' version of unassign that does bulk and can skirt Master state checks if override
 * is set; i.e. unassigns can be forced during Master startup or if RegionState is unclean.
 * Used by HBCK2.
 */
@Override
public MasterProtos.UnassignsResponse unassigns(RpcController controller, MasterProtos.UnassignsRequest request) throws ServiceException {
    checkMasterProcedureExecutor();
    MasterProtos.UnassignsResponse.Builder responseBuilder = MasterProtos.UnassignsResponse.newBuilder();
    try {
        boolean override = request.getOverride();
        LOG.info("{} unassigns, override={}", server.getClientIdAuditPrefix(), override);
        for (HBaseProtos.RegionSpecifier rs : request.getRegionList()) {
            long pid = Procedure.NO_PROC_ID;
            RegionInfo ri = getRegionInfo(rs);
            if (ri == null) {
                LOG.info("Unknown={}", rs);
            } else {
                Procedure p = this.server.getAssignmentManager().createOneUnassignProcedure(ri, override);
                if (p != null) {
                    pid = this.server.getMasterProcedureExecutor().submitProcedure(p);
                }
            }
            responseBuilder.addPid(pid);
        }
        return responseBuilder.build();
    } catch (IOException ioe) {
        throw new ServiceException(ioe);
    }
}

Example 10 with RegionInfo

use of org.apache.hadoop.hbase.client.RegionInfo in project hbase by apache.

the class MasterRpcServices method requestLock.

@Override
public LockResponse requestLock(RpcController controller, final LockRequest request) throws ServiceException {
    try {
        if (request.getDescription().isEmpty()) {
            throw new IllegalArgumentException("Empty description");
        }
        NonceProcedureRunnable npr;
        LockType type = LockType.valueOf(request.getLockType().name());
        if (request.getRegionInfoCount() > 0) {
            final RegionInfo[] regionInfos = new RegionInfo[request.getRegionInfoCount()];
            for (int i = 0; i < request.getRegionInfoCount(); ++i) {
                regionInfos[i] = ProtobufUtil.toRegionInfo(request.getRegionInfo(i));
            }
            npr = new NonceProcedureRunnable(server, request.getNonceGroup(), request.getNonce()) {

                @Override
                protected void run() throws IOException {
                    setProcId(server.getLockManager().remoteLocks().requestRegionsLock(regionInfos, request.getDescription(), getNonceKey()));
                }

                @Override
                protected String getDescription() {
                    return "RequestLock";
                }
            };
        } else if (request.hasTableName()) {
            final TableName tableName = ProtobufUtil.toTableName(request.getTableName());
            npr = new NonceProcedureRunnable(server, request.getNonceGroup(), request.getNonce()) {

                @Override
                protected void run() throws IOException {
                    setProcId(server.getLockManager().remoteLocks().requestTableLock(tableName, type, request.getDescription(), getNonceKey()));
                }

                @Override
                protected String getDescription() {
                    return "RequestLock";
                }
            };
        } else if (request.hasNamespace()) {
            npr = new NonceProcedureRunnable(server, request.getNonceGroup(), request.getNonce()) {

                @Override
                protected void run() throws IOException {
                    setProcId(server.getLockManager().remoteLocks().requestNamespaceLock(request.getNamespace(), type, request.getDescription(), getNonceKey()));
                }

                @Override
                protected String getDescription() {
                    return "RequestLock";
                }
            };
        } else {
            throw new IllegalArgumentException("one of table/namespace/region should be specified");
        }
        long procId = MasterProcedureUtil.submitProcedure(npr);
        return LockResponse.newBuilder().setProcId(procId).build();
    } catch (IllegalArgumentException e) {
        LOG.warn("Exception when queuing lock", e);
        throw new ServiceException(new DoNotRetryIOException(e));
    } catch (IOException e) {
        LOG.warn("Exception when queuing lock", e);
        throw new ServiceException(e);
    }
}