Examples with SlopStreamingDisabledException voldemort.store.slop.SlopStreamingDisabledException used on opensource projects

Example 1 with SlopStreamingDisabledException

use of voldemort.store.slop.SlopStreamingDisabledException in project voldemort by voldemort.

the class UpdateSlopEntriesRequestHandler method handleRequest.

public StreamRequestHandlerState handleRequest(DataInputStream inputStream, DataOutputStream outputStream) throws IOException {
    if (!metadataStore.getSlopStreamingEnabledUnlocked()) {
        throw new SlopStreamingDisabledException("Slop streaming is disabled on node " + metadataStore.getNodeId() + " under " + metadataStore.getServerStateUnlocked() + " state.");
    }
    long startNs = System.nanoTime();
    if (request == null) {
        int size = 0;
        try {
            size = inputStream.readInt();
        } catch (EOFException e) {
            if (logger.isTraceEnabled())
                logger.trace("Incomplete read for message size");
            networkTimeNs += System.nanoTime() - startNs;
            return StreamRequestHandlerState.INCOMPLETE_READ;
        }
        if (size == -1) {
            if (logger.isTraceEnabled())
                logger.trace("Message size -1, completed slop update");
            return StreamRequestHandlerState.COMPLETE;
        }
        if (logger.isTraceEnabled())
            logger.trace("UpdateSlopEntriesRequest message size: " + size);
        byte[] input = new byte[size];
        try {
            ByteUtils.read(inputStream, input);
            networkTimeNs += Utils.elapsedTimeNs(startNs, System.nanoTime());
        } catch (EOFException e) {
            if (logger.isTraceEnabled())
                logger.trace("Incomplete read for message");
            return StreamRequestHandlerState.INCOMPLETE_READ;
        }
        VAdminProto.UpdateSlopEntriesRequest.Builder builder = VAdminProto.UpdateSlopEntriesRequest.newBuilder();
        builder.mergeFrom(input);
        request = builder.build();
    }
    StorageEngine<ByteArray, byte[], byte[]> storageEngine = AdminServiceRequestHandler.getStorageEngine(storeRepository, request.getStore());
    StreamingStats streamStats = null;
    if (isJmxEnabled) {
        streamStats = storeRepository.getStreamingStats(storageEngine.getName());
        streamStats.reportNetworkTime(Operation.SLOP_UPDATE, networkTimeNs);
    }
    networkTimeNs = 0;
    ByteArray key = ProtoUtils.decodeBytes(request.getKey());
    VectorClock vectorClock = ProtoUtils.decodeClock(request.getVersion());
    switch(request.getRequestType()) {
        case PUT:
            try {
                // Retrieve the transform if its exists
                byte[] transforms = null;
                if (request.hasTransform()) {
                    transforms = ProtoUtils.decodeBytes(request.getTransform()).get();
                }
                // Retrieve the value
                byte[] value = ProtoUtils.decodeBytes(request.getValue()).get();
                startNs = System.nanoTime();
                storageEngine.put(key, Versioned.value(value, vectorClock), transforms);
                if (isJmxEnabled)
                    streamStats.reportStorageTime(Operation.SLOP_UPDATE, Utils.elapsedTimeNs(startNs, System.nanoTime()));
                if (logger.isTraceEnabled())
                    logger.trace("updateSlopEntries (Streaming put) successful on key:" + key + " of store: " + request.getStore());
            } catch (ObsoleteVersionException e) {
                // log and ignore
                if (logger.isDebugEnabled())
                    logger.debug("updateSlopEntries (Streaming put) threw ObsoleteVersionException, Ignoring.");
            }
            break;
        case DELETE:
            try {
                startNs = System.nanoTime();
                storageEngine.delete(key, vectorClock);
                if (isJmxEnabled)
                    streamStats.reportStorageTime(Operation.SLOP_UPDATE, System.nanoTime() - startNs);
                if (logger.isTraceEnabled())
                    logger.trace("updateSlopEntries (Streaming delete) successful");
            } catch (ObsoleteVersionException e) {
                // log and ignore
                if (logger.isDebugEnabled())
                    logger.debug("updateSlopEntries (Streaming delete) threw ObsoleteVersionException, Ignoring.");
            }
            break;
        default:
            throw new VoldemortException("Unsupported operation ");
    }
    // log progress
    counter++;
    if (isJmxEnabled)
        streamStats.reportStreamingPut(Operation.SLOP_UPDATE);
    if (0 == counter % 100000) {
        long totalTime = (System.currentTimeMillis() - startTime) / 1000;
        if (logger.isDebugEnabled())
            logger.debug("updateSlopEntries() updated " + counter + " entries in " + totalTime + " s");
    }
    request = null;
    return StreamRequestHandlerState.READING;
}