Unverified50% confidenceBenchmarkExact time
利用Row Group的min/max统计元数据进行谓词下推，在选择性高的查询中可跳过90%以上的数据读取
1
Sources
50%
Confidence
Long-term
Relevance
7/6/2026
First Seen
Sources
LTAP Architecture Deep Dive: Storing Postgres Data in Parquet Format on S3
hackernewshackernews7/1/2026
Related Claims
UnverifiedExperimental data shows that when key information is located at the beginning and end of the input sequence, the model's retrieval accuracy can be as high as over 90%, but when located in the middle, it may drop sharply to below 60%.69% similarUnverified常见的数据集划分比例为70/15/15或80/10/1068% similarUnverified参数量在1亿以下的轻量模型经领域数据微调后可达95%以上意图分类准确率，单次推理延迟控制在5-20ms以内63% similarUnverified在某些测试中，文档中间段信息的检索准确率比首尾段低40%以上63% similar
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