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Add memory optimized dimension table (#9802)
* Add mem optimized dim table * rename config and remove template variable * Add dimensionTable config to table config builder and serializers * fix linting * WIP: close segments after memtable is done * Do not close segments when data is not preLoaded * Fix segment close logic * closing segment data manager inside dimension table * Fix linting Co-authored-by: Kartik Khare <[email protected]>
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67 changes: 67 additions & 0 deletions
67
...re/src/main/java/org/apache/pinot/core/data/manager/offline/FastLookupDimensionTable.java
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|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you 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 org.apache.pinot.core.data.manager.offline; | ||
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| import java.io.IOException; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import org.apache.pinot.spi.data.FieldSpec; | ||
| import org.apache.pinot.spi.data.Schema; | ||
| import org.apache.pinot.spi.data.readers.GenericRow; | ||
| import org.apache.pinot.spi.data.readers.PrimaryKey; | ||
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| class FastLookupDimensionTable implements DimensionTable { | ||
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| private Map<PrimaryKey, GenericRow> _lookupTable; | ||
| private final Schema _tableSchema; | ||
| private final List<String> _primaryKeyColumns; | ||
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| FastLookupDimensionTable(Schema tableSchema, List<String> primaryKeyColumns, | ||
| Map<PrimaryKey, GenericRow> lookupTable) { | ||
| _lookupTable = lookupTable; | ||
| _tableSchema = tableSchema; | ||
| _primaryKeyColumns = primaryKeyColumns; | ||
| } | ||
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| @Override | ||
| public List<String> getPrimaryKeyColumns() { | ||
| return _primaryKeyColumns; | ||
| } | ||
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| @Override | ||
| public GenericRow get(PrimaryKey pk) { | ||
| return _lookupTable.get(pk); | ||
| } | ||
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| @Override | ||
| public boolean isEmpty() { | ||
| return _lookupTable.isEmpty(); | ||
| } | ||
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| @Override | ||
| public FieldSpec getFieldSpecFor(String columnName) { | ||
| return _tableSchema.getFieldSpecFor(columnName); | ||
| } | ||
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| @Override | ||
| public void close() | ||
| throws IOException { | ||
| } | ||
| } |
46 changes: 46 additions & 0 deletions
46
...t-core/src/main/java/org/apache/pinot/core/data/manager/offline/LookupRecordLocation.java
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| @@ -0,0 +1,46 @@ | ||
| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you 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 org.apache.pinot.core.data.manager.offline; | ||
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| import org.apache.pinot.segment.local.segment.readers.PinotSegmentRecordReader; | ||
| import org.apache.pinot.spi.data.readers.GenericRow; | ||
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| public class LookupRecordLocation { | ||
| private final PinotSegmentRecordReader _pinotSegmentRecordReader; | ||
| private final int _docId; | ||
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| public LookupRecordLocation(PinotSegmentRecordReader pinotSegmentRecordReader, int docId) { | ||
| _pinotSegmentRecordReader = pinotSegmentRecordReader; | ||
| _docId = docId; | ||
| } | ||
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| public PinotSegmentRecordReader getPinotSegmentRecordReader() { | ||
| return _pinotSegmentRecordReader; | ||
| } | ||
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| public int getDocId() { | ||
| return _docId; | ||
| } | ||
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| public GenericRow getRecord(GenericRow reuse) { | ||
| _pinotSegmentRecordReader.getRecord(_docId, reuse); | ||
| return reuse; | ||
| } | ||
| } |
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