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Example 1 with FutureTransportResponseHandler

use of org.elasticsearch.transport.FutureTransportResponseHandler in project elasticsearch by elastic.

the class PeerRecoveryTargetService method doRecovery.

private void doRecovery(final long recoveryId) {
    final StartRecoveryRequest request;
    final CancellableThreads cancellableThreads;
    final RecoveryState.Timer timer;
    try (RecoveryRef recoveryRef = onGoingRecoveries.getRecovery(recoveryId)) {
        if (recoveryRef == null) {
            logger.trace("not running recovery with id [{}] - can not find it (probably finished)", recoveryId);
            return;
        }
        final RecoveryTarget recoveryTarget = recoveryRef.target();
        cancellableThreads = recoveryTarget.cancellableThreads();
        timer = recoveryTarget.state().getTimer();
        try {
            assert recoveryTarget.sourceNode() != null : "can not do a recovery without a source node";
            request = getStartRecoveryRequest(recoveryTarget);
            logger.trace("{} preparing shard for peer recovery", recoveryTarget.shardId());
            recoveryTarget.indexShard().prepareForIndexRecovery();
        } catch (final Exception e) {
            // this will be logged as warning later on...
            logger.trace("unexpected error while preparing shard for peer recovery, failing recovery", e);
            onGoingRecoveries.failRecovery(recoveryId, new RecoveryFailedException(recoveryTarget.state(), "failed to prepare shard for recovery", e), true);
            return;
        }
    }
    try {
        logger.trace("{} starting recovery from {}", request.shardId(), request.sourceNode());
        final AtomicReference<RecoveryResponse> responseHolder = new AtomicReference<>();
        cancellableThreads.execute(() -> responseHolder.set(transportService.submitRequest(request.sourceNode(), PeerRecoverySourceService.Actions.START_RECOVERY, request, new FutureTransportResponseHandler<RecoveryResponse>() {

            @Override
            public RecoveryResponse newInstance() {
                return new RecoveryResponse();
            }
        }).txGet()));
        final RecoveryResponse recoveryResponse = responseHolder.get();
        final TimeValue recoveryTime = new TimeValue(timer.time());
        // do this through ongoing recoveries to remove it from the collection
        onGoingRecoveries.markRecoveryAsDone(recoveryId);
        if (logger.isTraceEnabled()) {
            StringBuilder sb = new StringBuilder();
            sb.append('[').append(request.shardId().getIndex().getName()).append(']').append('[').append(request.shardId().id()).append("] ");
            sb.append("recovery completed from ").append(request.sourceNode()).append(", took[").append(recoveryTime).append("]\n");
            sb.append("   phase1: recovered_files [").append(recoveryResponse.phase1FileNames.size()).append("]").append(" with " + "total_size of [").append(new ByteSizeValue(recoveryResponse.phase1TotalSize)).append("]").append(", took [").append(timeValueMillis(recoveryResponse.phase1Time)).append("], throttling_wait [").append(timeValueMillis(recoveryResponse.phase1ThrottlingWaitTime)).append(']').append("\n");
            sb.append("         : reusing_files   [").append(recoveryResponse.phase1ExistingFileNames.size()).append("] with " + "total_size of [").append(new ByteSizeValue(recoveryResponse.phase1ExistingTotalSize)).append("]\n");
            sb.append("   phase2: start took [").append(timeValueMillis(recoveryResponse.startTime)).append("]\n");
            sb.append("         : recovered [").append(recoveryResponse.phase2Operations).append("]").append(" transaction log " + "operations").append(", took [").append(timeValueMillis(recoveryResponse.phase2Time)).append("]").append("\n");
            logger.trace("{}", sb);
        } else {
            logger.debug("{} recovery done from [{}], took [{}]", request.shardId(), request.sourceNode(), recoveryTime);
        }
    } catch (CancellableThreads.ExecutionCancelledException e) {
        logger.trace("recovery cancelled", e);
    } catch (Exception e) {
        if (logger.isTraceEnabled()) {
            logger.trace((Supplier<?>) () -> new ParameterizedMessage("[{}][{}] Got exception on recovery", request.shardId().getIndex().getName(), request.shardId().id()), e);
        }
        Throwable cause = ExceptionsHelper.unwrapCause(e);
        if (cause instanceof CancellableThreads.ExecutionCancelledException) {
            // this can also come from the source wrapped in a RemoteTransportException
            onGoingRecoveries.failRecovery(recoveryId, new RecoveryFailedException(request, "source has canceled the recovery", cause), false);
            return;
        }
        if (cause instanceof RecoveryEngineException) {
            // unwrap an exception that was thrown as part of the recovery
            cause = cause.getCause();
        }
        // do it twice, in case we have double transport exception
        cause = ExceptionsHelper.unwrapCause(cause);
        if (cause instanceof RecoveryEngineException) {
            // unwrap an exception that was thrown as part of the recovery
            cause = cause.getCause();
        }
        if (cause instanceof IllegalIndexShardStateException || cause instanceof IndexNotFoundException || cause instanceof ShardNotFoundException) {
            // if the target is not ready yet, retry
            retryRecovery(recoveryId, "remote shard not ready", recoverySettings.retryDelayStateSync(), recoverySettings.activityTimeout());
            return;
        }
        if (cause instanceof DelayRecoveryException) {
            retryRecovery(recoveryId, cause, recoverySettings.retryDelayStateSync(), recoverySettings.activityTimeout());
            return;
        }
        if (cause instanceof ConnectTransportException) {
            logger.debug("delaying recovery of {} for [{}] due to networking error [{}]", request.shardId(), recoverySettings.retryDelayNetwork(), cause.getMessage());
            retryRecovery(recoveryId, cause.getMessage(), recoverySettings.retryDelayNetwork(), recoverySettings.activityTimeout());
            return;
        }
        if (cause instanceof AlreadyClosedException) {
            onGoingRecoveries.failRecovery(recoveryId, new RecoveryFailedException(request, "source shard is closed", cause), false);
            return;
        }
        onGoingRecoveries.failRecovery(recoveryId, new RecoveryFailedException(request, e), true);
    }
}
Also used : ByteSizeValue(org.elasticsearch.common.unit.ByteSizeValue) AlreadyClosedException(org.apache.lucene.store.AlreadyClosedException) RecoveryEngineException(org.elasticsearch.index.engine.RecoveryEngineException) RecoveryRef(org.elasticsearch.indices.recovery.RecoveriesCollection.RecoveryRef) Supplier(org.apache.logging.log4j.util.Supplier) TimeValue(org.elasticsearch.common.unit.TimeValue) FutureTransportResponseHandler(org.elasticsearch.transport.FutureTransportResponseHandler) CancellableThreads(org.elasticsearch.common.util.CancellableThreads) AtomicReference(java.util.concurrent.atomic.AtomicReference) IllegalIndexShardStateException(org.elasticsearch.index.shard.IllegalIndexShardStateException) ElasticsearchException(org.elasticsearch.ElasticsearchException) AlreadyClosedException(org.apache.lucene.store.AlreadyClosedException) RecoveryEngineException(org.elasticsearch.index.engine.RecoveryEngineException) NodeClosedException(org.elasticsearch.node.NodeClosedException) ShardNotFoundException(org.elasticsearch.index.shard.ShardNotFoundException) ElasticsearchTimeoutException(org.elasticsearch.ElasticsearchTimeoutException) ConnectTransportException(org.elasticsearch.transport.ConnectTransportException) IndexNotFoundException(org.elasticsearch.index.IndexNotFoundException) IOException(java.io.IOException) IllegalIndexShardStateException(org.elasticsearch.index.shard.IllegalIndexShardStateException) MapperException(org.elasticsearch.index.mapper.MapperException) ShardNotFoundException(org.elasticsearch.index.shard.ShardNotFoundException) ConnectTransportException(org.elasticsearch.transport.ConnectTransportException) IndexNotFoundException(org.elasticsearch.index.IndexNotFoundException) ParameterizedMessage(org.apache.logging.log4j.message.ParameterizedMessage)

Aggregations

IOException (java.io.IOException)1 AtomicReference (java.util.concurrent.atomic.AtomicReference)1 ParameterizedMessage (org.apache.logging.log4j.message.ParameterizedMessage)1 Supplier (org.apache.logging.log4j.util.Supplier)1 AlreadyClosedException (org.apache.lucene.store.AlreadyClosedException)1 ElasticsearchException (org.elasticsearch.ElasticsearchException)1 ElasticsearchTimeoutException (org.elasticsearch.ElasticsearchTimeoutException)1 ByteSizeValue (org.elasticsearch.common.unit.ByteSizeValue)1 TimeValue (org.elasticsearch.common.unit.TimeValue)1 CancellableThreads (org.elasticsearch.common.util.CancellableThreads)1 IndexNotFoundException (org.elasticsearch.index.IndexNotFoundException)1 RecoveryEngineException (org.elasticsearch.index.engine.RecoveryEngineException)1 MapperException (org.elasticsearch.index.mapper.MapperException)1 IllegalIndexShardStateException (org.elasticsearch.index.shard.IllegalIndexShardStateException)1 ShardNotFoundException (org.elasticsearch.index.shard.ShardNotFoundException)1 RecoveryRef (org.elasticsearch.indices.recovery.RecoveriesCollection.RecoveryRef)1 NodeClosedException (org.elasticsearch.node.NodeClosedException)1 ConnectTransportException (org.elasticsearch.transport.ConnectTransportException)1 FutureTransportResponseHandler (org.elasticsearch.transport.FutureTransportResponseHandler)1