Examples with Status io.dingodb.raft.Status used on opensource projects

Example 96 with Status

use of io.dingodb.raft.Status in project dingo by dingodb.

the class ClosureQueueImpl method clear.

@Override
public void clear() {
    List<Closure> savedQueue;
    this.lock.lock();
    try {
        this.firstIndex = 0;
        savedQueue = this.queue;
        this.queue = new LinkedList<>();
    } finally {
        this.lock.unlock();
    }
    final Status status = new Status(RaftError.EPERM, "Leader stepped down");
    Utils.runInThread(() -> {
        for (final Closure done : savedQueue) {
            if (done != null) {
                done.run(status);
            }
        }
    });
}

Example 97 with Status

use of io.dingodb.raft.Status in project dingo by dingodb.

the class StoreEngine method applySplit.

public void applySplit(final String regionId, final String newRegionId, final KVStoreClosure closure) {
    Requires.requireNonNull(regionId, "regionId");
    Requires.requireNonNull(newRegionId, "newRegionId");
    if (this.regionEngineTable.containsKey(newRegionId)) {
        closure.setError(Errors.CONFLICT_REGION_ID);
        closure.run(new Status(-1, "Conflict region id %d", newRegionId));
        return;
    }
    if (!this.splitting.compareAndSet(false, true)) {
        closure.setError(Errors.SERVER_BUSY);
        closure.run(new Status(-1, "Server is busy now"));
        return;
    }
    final RegionEngine parentEngine = getRegionEngine(regionId);
    if (parentEngine == null) {
        closure.setError(Errors.NO_REGION_FOUND);
        closure.run(new Status(-1, "RegionEngine[%s] not found", regionId));
        this.splitting.set(false);
        return;
    }
    if (!parentEngine.isLeader()) {
        closure.setError(Errors.NOT_LEADER);
        closure.run(new Status(-1, "RegionEngine[%s] not leader", regionId));
        this.splitting.set(false);
        return;
    }
    final Region parentRegion = parentEngine.getRegion();
    final byte[] startKey = BytesUtil.nullToEmpty(parentRegion.getStartKey());
    final byte[] endKey = parentRegion.getEndKey();
    ApproximateKVStats stats = this.rawKVStore.getApproximateKVStatsInRange(startKey, endKey);
    final long approximateKeys = stats.keysCnt;
    final long approximateBytes = stats.sizeInBytes / 1024 / 1024;
    final long leastKeysOnSplit = this.storeOpts.getLeastKeysOnSplit();
    boolean isSplitOK = (approximateBytes >= 64 || approximateKeys > leastKeysOnSplit);
    LOG.info("Region:{} Split Condition is {}!. Disk Used:{} >= 64M, Write Keys:{} >= Expected Keys:{}", parentEngine, isSplitOK, approximateBytes, approximateKeys, leastKeysOnSplit);
    if (!isSplitOK) {
        closure.setError(Errors.TOO_SMALL_TO_SPLIT);
        closure.run(new Status(-1, "RegionEngine[%s]'s split condition is not OK!. " + "Write Keys:%d bytes(M): %d, Expected: keys:%d, bytes: 64M", regionId, approximateKeys, approximateBytes, leastKeysOnSplit));
        this.splitting.set(false);
        return;
    }
    final byte[] splitKey = this.rawKVStore.jumpOver(startKey, approximateKeys >> 1);
    if (splitKey == null) {
        closure.setError(Errors.STORAGE_ERROR);
        closure.run(new Status(-1, "Fail to scan split key"));
        this.splitting.set(false);
        return;
    }
    final KVOperation op = KVOperation.createRangeSplit(splitKey, regionId, newRegionId);
    LOG.info("Store receive region split instruction: Old Region:{}, oldStartKey:{}, oldEndKey:{}, " + "approximateKeys:{}, newRegionId:{}, splitKey:{}", parentEngine.toString(), startKey != null ? BytesUtil.toHex(startKey) : "null", endKey != null ? BytesUtil.toHex(endKey) : "null", approximateKeys, newRegionId, splitKey != null ? BytesUtil.toHex(splitKey) : "null");
    final Task task = new Task();
    task.setData(ByteBuffer.wrap(Serializers.getDefault().writeObject(op)));
    task.setDone(new KVClosureAdapter(closure, op));
    parentEngine.getNode().apply(task);
}

Example 98 with Status

use of io.dingodb.raft.Status in project dingo by dingodb.

the class DefaultDingoRowStore method ensureOnValidEpoch.

private static boolean ensureOnValidEpoch(final Region region, final RegionEngine engine, final KVStoreClosure closure) {
    if (isValidEpoch(region, engine)) {
        return true;
    }
    // will retry on this error and status
    closure.setError(Errors.INVALID_REGION_EPOCH);
    closure.run(new Status(-1, "Invalid region epoch: %s", region));
    return false;
}

Example 99 with Status

use of io.dingodb.raft.Status in project dingo by dingodb.

the class DefaultDingoRowStoreCliService method rangeSplit.

@Override
public Status rangeSplit(final String regionId, final String newRegionId, final String groupId, final Configuration conf) {
    final PeerId leaderId = new PeerId();
    final Status st = this.cliService.getLeader(groupId, conf, leaderId);
    if (!st.isOk()) {
        throw new IllegalStateException(st.getErrorMsg());
    }
    final RangeSplitRequest request = new RangeSplitRequest();
    request.setRegionId(regionId);
    request.setNewRegionId(newRegionId);
    try {
        final BaseResponse<?> response = (BaseResponse<?>) this.rpcClient.invokeSync(leaderId.getEndpoint(), request, this.opts.getTimeoutMs());
        if (response.isSuccess()) {
            return Status.OK();
        }
        return new Status(-1, "Fail to range split on region %d, error: %s", regionId, response);
    } catch (final Exception e) {
        LOG.error("Fail to range split on exception: {}.", StackTraceUtil.stackTrace(e));
        return new Status(-1, "fail to range split on region %d", regionId);
    }
}

Example 100 with Status

use of io.dingodb.raft.Status in project dingo by dingodb.

the class DefaultRegionKVService method handleGetAndPutRequest.

@Override
public void handleGetAndPutRequest(final GetAndPutRequest request, final RequestProcessClosure<BaseRequest, BaseResponse<?>> closure) {
    final GetAndPutResponse response = new GetAndPutResponse();
    response.setRegionId(getRegionId());
    response.setRegionEpoch(getRegionEpoch());
    try {
        KVParameterRequires.requireSameEpoch(request, getRegionEpoch());
        final byte[] key = KVParameterRequires.requireNonNull(request.getKey(), "getAndPut.key");
        final byte[] value = KVParameterRequires.requireNonNull(request.getValue(), "getAndPut.value");
        this.rawKVStore.getAndPut(key, value, new BaseKVStoreClosure() {

            @Override
            public void run(final Status status) {
                if (status.isOk()) {
                    response.setValue((byte[]) getData());
                } else {
                    setFailure(request, response, status, getError());
                }
                closure.sendResponse(response);
            }
        });
    } catch (final Throwable t) {
        LOG.error("Failed to handle: {}, {}.", request, StackTraceUtil.stackTrace(t));
        response.setError(Errors.forException(t));
        closure.sendResponse(response);
    }
}