Steve Yurong Su created IOTDB-1113:
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Summary: Optimize the execution efficiency of UDF
Key: IOTDB-1113
URL: https://issues.apache.org/jira/browse/IOTDB-1113
Project: Apache IoTDB
Issue Type: Sub-task
Components: Core/Engine
Reporter: Steve Yurong Su
Fix For: 0.12.0
There are several points that can be optimized:
1. Avoid Java boxing / unboxing in LRUCache and SafetyLine
2. Avoid unnecessary memory copy in SerializableRowReordList
3. Memory control:
3.1 Disable memory control when there are no text fields
3.2 Stricter eviction upper bound
4. Use lighter data structures: RowRecord -> Object[]
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