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* Adding file channel close as a temporary solution to max open files limit '#31' * New storage engine implementation #31 (#66) Cleaning up archival moving sql package time series buckets Fixing bugs with refactor and diskstorage engine Validating and fixing unit tests windows) adding unit tests for persistent measurement Adding concurrency fixes #31 Fixing recovery bug Fixing broken recovery system due to missing offsets, fixing unit tests for recovery, adding parallel recovery for measurements Improving test converage Fixing minor code issues fixing potential concurrency issue * Adding basic GRPC code for writes with disruptor (#67) Fixing rpc build issue
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cluster/src/main/java/com/srotya/sidewinder/cluster/rpc/ReplicationServiceImpl.java
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| /** | ||
| * Copyright 2017 Ambud Sharma | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package com.srotya.sidewinder.cluster.rpc; | ||
|
|
||
| import java.nio.ByteBuffer; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.Map.Entry; | ||
| import java.util.SortedMap; | ||
| import java.util.concurrent.TimeUnit; | ||
|
|
||
| import com.google.protobuf.ByteString; | ||
| import com.google.protobuf.ProtocolStringList; | ||
| import com.srotya.sidewinder.cluster.rpc.ListTimeseriesOffsetResponse.OffsetEntry; | ||
| import com.srotya.sidewinder.cluster.rpc.ListTimeseriesOffsetResponse.OffsetEntry.Bucket; | ||
| import com.srotya.sidewinder.cluster.rpc.ReplicationServiceGrpc.ReplicationServiceImplBase; | ||
| import com.srotya.sidewinder.core.storage.Measurement; | ||
| import com.srotya.sidewinder.core.storage.StorageEngine; | ||
| import com.srotya.sidewinder.core.storage.TimeSeries; | ||
| import com.srotya.sidewinder.core.storage.TimeSeriesBucket; | ||
|
|
||
| import io.grpc.stub.StreamObserver; | ||
|
|
||
| /** | ||
| * @author ambud | ||
| */ | ||
| public class ReplicationServiceImpl extends ReplicationServiceImplBase { | ||
|
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| private StorageEngine engine; | ||
|
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| public ReplicationServiceImpl(StorageEngine engine) { | ||
| this.engine = engine; | ||
| } | ||
|
|
||
| @Override | ||
| public void listBatchTimeseriesOffsetList(ListTimeseriesOffsetRequest request, | ||
| StreamObserver<ListTimeseriesOffsetResponse> responseObserver) { | ||
| String dbName = request.getDbName(); | ||
| String measurementName = request.getMeasurementName(); | ||
| try { | ||
| Measurement measurement = engine.getOrCreateMeasurement(dbName, measurementName); | ||
|
|
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| ListTimeseriesOffsetResponse.Builder builder = ListTimeseriesOffsetResponse.newBuilder(); | ||
| for (TimeSeries timeSeries : measurement.getTimeSeries()) { | ||
| OffsetEntry.Builder offsetBuilder = OffsetEntry.newBuilder(); | ||
|
|
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| String seriesId = timeSeries.getSeriesId(); | ||
| String[] keys = seriesId.split(Measurement.FIELD_TAG_SEPARATOR); | ||
| String valueFieldName = keys[0]; | ||
|
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| List<String> tags = Measurement.decodeStringToTags(measurement.getTagIndex(), keys[1]); | ||
| offsetBuilder.setValueFieldName(valueFieldName); | ||
| offsetBuilder.addAllTags(tags); | ||
|
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| SortedMap<String, List<TimeSeriesBucket>> bucketRawMap = timeSeries.getBucketRawMap(); | ||
| for (Entry<String, List<TimeSeriesBucket>> entry : bucketRawMap.entrySet()) { | ||
| for (int i = 0; i < entry.getValue().size(); i++) { | ||
| TimeSeriesBucket timeSeriesBucket = entry.getValue().get(i); | ||
| OffsetEntry.Bucket.Builder bucket = Bucket.newBuilder(); | ||
| bucket.setIndex(i); | ||
| bucket.setOffset(timeSeriesBucket.getWriter().currentOffset()); | ||
| bucket.setBucketTs(entry.getKey()); | ||
| offsetBuilder.addBuckets(bucket.build()); | ||
| } | ||
| } | ||
| builder.addEntries(offsetBuilder.build()); | ||
| } | ||
| responseObserver.onNext(builder.build()); | ||
| responseObserver.onCompleted(); | ||
| } catch (Exception e) { | ||
| responseObserver.onError(e); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void batchFetchTimeseriesDataAtOffset(BatchRawTimeSeriesOffsetRequest request, | ||
| StreamObserver<BatchRawTimeSeriesOffsetResponse> responseObserver) { | ||
| BatchRawTimeSeriesOffsetResponse.Builder rawBuilder = BatchRawTimeSeriesOffsetResponse.newBuilder(); | ||
| List<RawTimeSeriesOffsetRequest> requestsList = request.getRequestsList(); | ||
| for (RawTimeSeriesOffsetRequest rawRequest : requestsList) { | ||
| RawTimeSeriesOffsetResponse.Builder builder = RawTimeSeriesOffsetResponse.newBuilder(); | ||
|
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| String dbName = rawRequest.getDbName(); | ||
| String measurementName = rawRequest.getMeasurementName(); | ||
| String valueFieldName = rawRequest.getValueFieldName(); | ||
| ProtocolStringList tags = rawRequest.getTagsList(); | ||
| long blockTimestamp = rawRequest.getBlockTimestamp(); | ||
| int index = rawRequest.getIndex(); | ||
| int offset = rawRequest.getOffset(); | ||
| int bucketSize = rawRequest.getBucketSize(); | ||
| try { | ||
| TimeSeries timeSeries = engine.getTimeSeries(dbName, measurementName, valueFieldName, | ||
| new ArrayList<>(tags)); | ||
| String timeBucket = TimeSeries.getTimeBucket(TimeUnit.MILLISECONDS, blockTimestamp, bucketSize); | ||
| SortedMap<String, List<TimeSeriesBucket>> bucketRawMap = timeSeries.getBucketRawMap(); | ||
| List<TimeSeriesBucket> list = bucketRawMap.get(timeBucket); | ||
| TimeSeriesBucket timeSeriesBucket = list.get(index); | ||
| builder.setBlockTimestamp(blockTimestamp); | ||
| builder.setDbName(dbName); | ||
| builder.setMeasurementName(measurementName); | ||
| builder.setBucketSize(bucketSize); | ||
| builder.setMessageId(request.getMessageId()); | ||
| builder.setFp(timeSeries.isFp()); | ||
| builder.setValueFieldName(valueFieldName); | ||
| builder.addAllTags(tags); | ||
| builder.setIndex(index); | ||
|
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| builder.setCount(timeSeriesBucket.getCount()); | ||
| ByteBuffer buf = timeSeriesBucket.getWriter().getRawBytes(); | ||
| buf.position(offset); | ||
| builder.setData(ByteString.copyFrom(buf)); | ||
| rawBuilder.addResponses(builder.build()); | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| responseObserver.onError(e); | ||
| } | ||
| } | ||
| responseObserver.onNext(rawBuilder.build()); | ||
| responseObserver.onCompleted(); | ||
| } | ||
|
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| @Override | ||
| public void fetchTimeseriesDataAtOffset(RawTimeSeriesOffsetRequest request, | ||
| StreamObserver<RawTimeSeriesOffsetResponse> responseObserver) { | ||
| RawTimeSeriesOffsetResponse.Builder builder = RawTimeSeriesOffsetResponse.newBuilder(); | ||
|
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| String dbName = request.getDbName(); | ||
| String measurementName = request.getMeasurementName(); | ||
| String valueFieldName = request.getValueFieldName(); | ||
| ProtocolStringList tags = request.getTagsList(); | ||
| long blockTimestamp = request.getBlockTimestamp(); | ||
| int index = request.getIndex(); | ||
| int offset = request.getOffset(); | ||
| int bucketSize = request.getBucketSize(); | ||
| try { | ||
| TimeSeries timeSeries = engine.getTimeSeries(dbName, measurementName, valueFieldName, | ||
| new ArrayList<>(tags)); | ||
| String timeBucket = TimeSeries.getTimeBucket(TimeUnit.MILLISECONDS, blockTimestamp, bucketSize); | ||
| SortedMap<String, List<TimeSeriesBucket>> bucketRawMap = timeSeries.getBucketRawMap(); | ||
| List<TimeSeriesBucket> list = bucketRawMap.get(timeBucket); | ||
| TimeSeriesBucket timeSeriesBucket = list.get(index); | ||
|
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| builder.setBlockTimestamp(blockTimestamp); | ||
| builder.setDbName(dbName); | ||
| builder.setMeasurementName(measurementName); | ||
| builder.setBucketSize(bucketSize); | ||
| builder.setMessageId(request.getMessageId()); | ||
| builder.setFp(timeSeries.isFp()); | ||
| builder.setValueFieldName(valueFieldName); | ||
| builder.addAllTags(tags); | ||
| builder.setIndex(index); | ||
| builder.setCount(timeSeriesBucket.getCount()); | ||
| ByteBuffer buf = timeSeriesBucket.getWriter().getRawBytes(); | ||
| buf.position(offset); | ||
| builder.setData(ByteString.copyFrom(buf)); | ||
|
|
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| responseObserver.onNext(builder.build()); | ||
| responseObserver.onCompleted(); | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| responseObserver.onError(e); | ||
| } | ||
| } | ||
|
|
||
| } |
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