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Example 16 with RegionEngine

use of io.dingodb.store.row.RegionEngine in project dingo by dingodb.

the class InstructionProcessor method processTransferLeader.

private boolean processTransferLeader(final Instruction instruction) {
    try {
        final Instruction.TransferLeader transferLeader = instruction.getTransferLeader();
        if (transferLeader == null) {
            return false;
        }
        final Endpoint toEndpoint = transferLeader.getMoveToEndpoint();
        if (toEndpoint == null) {
            LOG.error("TransferLeader#toEndpoint must not be null, {}.", instruction);
            return false;
        }
        final Region region = instruction.getRegion();
        final String regionId = region.getId();
        final RegionEngine engine = this.storeEngine.getRegionEngine(regionId);
        if (engine == null) {
            LOG.error("Could not found regionEngine, {}.", instruction);
            return false;
        }
        if (!region.equals(engine.getRegion())) {
            LOG.warn("Instruction [{}] is out of date.", instruction);
            return false;
        }
        return engine.transferLeadershipTo(toEndpoint);
    } catch (final Throwable t) {
        LOG.error("Caught an exception on #processTransferLeader: {}.", StackTraceUtil.stackTrace(t));
        return false;
    }
}
Also used : Endpoint(io.dingodb.raft.util.Endpoint) Region(io.dingodb.store.row.metadata.Region) RegionEngine(io.dingodb.store.row.RegionEngine) Instruction(io.dingodb.store.row.metadata.Instruction)

Example 17 with RegionEngine

use of io.dingodb.store.row.RegionEngine in project dingo by dingodb.

the class InstructionProcessor method processSplit.

private boolean processSplit(final Instruction instruction) {
    try {
        final Instruction.RangeSplit rangeSplit = instruction.getRangeSplit();
        if (rangeSplit == null) {
            return false;
        }
        final String newRegionId = rangeSplit.getNewRegionId();
        if (newRegionId == null) {
            LOG.error("RangeSplit#newRegionId must not be null, {}.", instruction);
            return false;
        }
        final Region region = instruction.getRegion();
        final String regionId = region.getId();
        final RegionEngine engine = this.storeEngine.getRegionEngine(regionId);
        if (engine == null) {
            LOG.error("Could not found regionEngine, {}.", instruction);
            return false;
        }
        if (!region.equals(engine.getRegion())) {
            LOG.warn("Instruction [{}] is out of date.", instruction);
            return false;
        }
        final CompletableFuture<Status> future = new CompletableFuture<>();
        this.storeEngine.applySplit(regionId, newRegionId, new BaseKVStoreClosure() {

            @Override
            public void run(Status status) {
                future.complete(status);
            }
        });
        final Status status = future.get(20, TimeUnit.SECONDS);
        final boolean ret = status.isOk();
        if (ret) {
            LOG.info("Range-split succeeded, instruction: {}.", instruction);
        } else {
            LOG.warn("Range-split failed: {}, instruction: {}.", status, instruction);
        }
        return ret;
    } catch (final Throwable t) {
        LOG.error("Caught an exception on #processSplit: {}.", StackTraceUtil.stackTrace(t));
        return false;
    }
}
Also used : Status(io.dingodb.raft.Status) CompletableFuture(java.util.concurrent.CompletableFuture) BaseKVStoreClosure(io.dingodb.store.row.storage.BaseKVStoreClosure) Region(io.dingodb.store.row.metadata.Region) RegionEngine(io.dingodb.store.row.RegionEngine) Instruction(io.dingodb.store.row.metadata.Instruction)

Example 18 with RegionEngine

use of io.dingodb.store.row.RegionEngine in project dingo by dingodb.

the class DefaultDingoRowStore method internalGet.

private void internalGet(final byte[] key, final boolean readOnlySafe, final CompletableFuture<byte[]> future, final int retriesLeft, final Errors lastCause, final boolean requireLeader) {
    final Region region = this.pdClient.findRegionByKey(key, ErrorsHelper.isInvalidEpoch(lastCause));
    final RegionEngine regionEngine = getRegionEngine(region.getId(), requireLeader);
    // require leader on retry
    final RetryRunner retryRunner = retryCause -> internalGet(key, readOnlySafe, future, retriesLeft - 1, retryCause, true);
    final FailoverClosure<byte[]> closure = new FailoverClosureImpl<>(future, retriesLeft, retryRunner);
    if (regionEngine != null) {
        if (ensureOnValidEpoch(region, regionEngine, closure)) {
            getRawKVStore(regionEngine).get(key, readOnlySafe, closure);
        }
    } else {
        final GetRequest request = new GetRequest();
        request.setKey(key);
        request.setReadOnlySafe(readOnlySafe);
        request.setRegionId(region.getId());
        request.setRegionEpoch(region.getRegionEpoch());
        this.dingoRowStoreRpcService.callAsyncWithRpc(request, closure, lastCause, requireLeader);
    }
}
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Example 19 with RegionEngine

use of io.dingodb.store.row.RegionEngine in project dingo by dingodb.

the class DefaultDingoRowStore method internalRegionScan.

private void internalRegionScan(final Region region, final byte[] subStartKey, final byte[] subEndKey, final boolean reverse, final boolean readOnlySafe, final boolean returnValue, final CompletableFuture<List<KVEntry>> future, final int retriesLeft, final Errors lastCause, final boolean requireLeader) {
    final RegionEngine regionEngine = getRegionEngine(region.getId(), requireLeader);
    // require leader on retry
    final RetryRunner retryRunner = retryCause -> internalRegionScan(region, subStartKey, subEndKey, reverse, readOnlySafe, returnValue, future, retriesLeft - 1, retryCause, true);
    final FailoverClosure<List<KVEntry>> closure = new FailoverClosureImpl<>(future, false, retriesLeft, retryRunner);
    if (regionEngine != null) {
        if (ensureOnValidEpoch(region, regionEngine, closure)) {
            final RawKVStore rawKVStore = getRawKVStore(regionEngine);
            if (reverse) {
                if (this.kvDispatcher == null) {
                    rawKVStore.reverseScan(subStartKey, subEndKey, readOnlySafe, returnValue, closure);
                } else {
                    this.kvDispatcher.execute(() -> rawKVStore.reverseScan(subStartKey, subEndKey, readOnlySafe, returnValue, closure));
                }
            } else {
                if (this.kvDispatcher == null) {
                    rawKVStore.scan(subStartKey, subEndKey, readOnlySafe, returnValue, closure);
                } else {
                    this.kvDispatcher.execute(() -> rawKVStore.scan(subStartKey, subEndKey, readOnlySafe, returnValue, closure));
                }
            }
        }
    } else {
        final ScanRequest request = new ScanRequest();
        request.setStartKey(subStartKey);
        request.setEndKey(subEndKey);
        request.setReadOnlySafe(readOnlySafe);
        request.setReturnValue(returnValue);
        request.setRegionId(region.getId());
        request.setRegionEpoch(region.getRegionEpoch());
        request.setReverse(reverse);
        this.dingoRowStoreRpcService.callAsyncWithRpc(request, closure, lastCause, requireLeader);
    }
}
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Example 20 with RegionEngine

use of io.dingodb.store.row.RegionEngine in project dingo by dingodb.

the class DefaultDingoRowStore method internalSingleRegionScan.

private void internalSingleRegionScan(final byte[] startKey, final byte[] endKey, final int limit, final boolean readOnlySafe, final boolean returnValue, final CompletableFuture<List<KVEntry>> future, final int retriesLeft, final Errors lastCause, final boolean requireLeader) {
    Requires.requireNonNull(startKey, "startKey");
    final Region region = this.pdClient.findRegionByKey(startKey, ErrorsHelper.isInvalidEpoch(lastCause));
    final byte[] regionEndKey = region.getEndKey();
    final byte[] realEndKey = regionEndKey == null ? endKey : (endKey == null ? regionEndKey : BytesUtil.min(regionEndKey, endKey));
    final RegionEngine regionEngine = getRegionEngine(region.getId(), requireLeader);
    // require leader on retry
    final RetryRunner retryRunner = retryCause -> internalSingleRegionScan(startKey, endKey, limit, readOnlySafe, returnValue, future, retriesLeft - 1, retryCause, true);
    final FailoverClosure<List<KVEntry>> closure = new FailoverClosureImpl<>(future, retriesLeft, retryRunner);
    if (regionEngine != null) {
        if (ensureOnValidEpoch(region, regionEngine, closure)) {
            getRawKVStore(regionEngine).scan(startKey, realEndKey, limit, readOnlySafe, returnValue, closure);
        }
    } else {
        final ScanRequest request = new ScanRequest();
        request.setStartKey(startKey);
        request.setEndKey(realEndKey);
        request.setLimit(limit);
        request.setReadOnlySafe(readOnlySafe);
        request.setReturnValue(returnValue);
        request.setRegionId(region.getId());
        request.setRegionEpoch(region.getRegionEpoch());
        this.dingoRowStoreRpcService.callAsyncWithRpc(request, closure, lastCause, requireLeader);
    }
}
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EventHandler(com.lmax.disruptor.EventHandler) ContainsKeyRequest(io.dingodb.store.row.cmd.store.ContainsKeyRequest) KVIterator(io.dingodb.store.row.storage.KVIterator) ByteArray(io.dingodb.store.row.util.ByteArray) NodeExecuteRequest(io.dingodb.store.row.cmd.store.NodeExecuteRequest) RetryCallable(io.dingodb.store.row.client.failover.RetryCallable) Logger(org.slf4j.Logger) NamedThreadFactory(io.dingodb.raft.util.NamedThreadFactory) GetAndPutRequest(io.dingodb.store.row.cmd.store.GetAndPutRequest) DingoRowStoreRuntimeException(io.dingodb.store.row.errors.DingoRowStoreRuntimeException) RingBuffer(com.lmax.disruptor.RingBuffer) Region(io.dingodb.store.row.metadata.Region) ErrorsHelper(io.dingodb.store.row.errors.ErrorsHelper) ScanRequest(io.dingodb.store.row.cmd.store.ScanRequest) TaskDispatcher(io.dingodb.store.row.util.concurrent.disruptor.TaskDispatcher) TimeUnit(java.util.concurrent.TimeUnit) RawKVStore(io.dingodb.store.row.storage.RawKVStore) StateListenerContainer(io.dingodb.store.row.StateListenerContainer) LeaderStateListener(io.dingodb.store.row.LeaderStateListener) ListFailoverFuture(io.dingodb.store.row.client.failover.impl.ListFailoverFuture) PeerId(io.dingodb.raft.entity.PeerId) BytesUtil(io.dingodb.raft.util.BytesUtil) EventFactory(com.lmax.disruptor.EventFactory) Collections(java.util.Collections) Disruptor(com.lmax.disruptor.dsl.Disruptor) ExtSerializerSupports(io.dingodb.store.row.rpc.ExtSerializerSupports) CASEntry(io.dingodb.store.row.storage.CASEntry) ScanRequest(io.dingodb.store.row.cmd.store.ScanRequest) FailoverClosureImpl(io.dingodb.store.row.client.failover.impl.FailoverClosureImpl) Region(io.dingodb.store.row.metadata.Region) RegionEngine(io.dingodb.store.row.RegionEngine) List(java.util.List) RetryRunner(io.dingodb.store.row.client.failover.RetryRunner)

Aggregations

RegionEngine (io.dingodb.store.row.RegionEngine)24 Status (io.dingodb.raft.Status)21 PeerId (io.dingodb.raft.entity.PeerId)21 Endpoint (io.dingodb.raft.util.Endpoint)21 Histogram (com.codahale.metrics.Histogram)20 EventFactory (com.lmax.disruptor.EventFactory)20 EventHandler (com.lmax.disruptor.EventHandler)20 RingBuffer (com.lmax.disruptor.RingBuffer)20 Disruptor (com.lmax.disruptor.dsl.Disruptor)20 RouteTable (io.dingodb.raft.RouteTable)20 BytesUtil (io.dingodb.raft.util.BytesUtil)20 LogExceptionHandler (io.dingodb.raft.util.LogExceptionHandler)20 NamedThreadFactory (io.dingodb.raft.util.NamedThreadFactory)20 Requires (io.dingodb.raft.util.Requires)20 Utils (io.dingodb.raft.util.Utils)20 DescriberManager (io.dingodb.store.row.DescriberManager)20 FollowerStateListener (io.dingodb.store.row.FollowerStateListener)20 JRaftHelper (io.dingodb.store.row.JRaftHelper)20 LeaderStateListener (io.dingodb.store.row.LeaderStateListener)20 StateListener (io.dingodb.store.row.StateListener)20