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Copy boomlet from smilegeng/fev_datasets

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+ ---
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+ license: other
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+ task_categories:
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+ - time-series-forecasting
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+ tags:
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+ - time-series
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+ - tsfile
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+ pretty_name: boomlet (TsFile format)
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+ ---
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+
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+ # boomlet — TsFile 格式
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+
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+ 本目录是 [`autogluon/fev_datasets`](https://huggingface.co/datasets/autogluon/fev_datasets) 中 **boomlet** 子集转换为 [Apache TsFile](https://tsfile.apache.org/) 格式的版本。
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+
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+ ## 来源与引用
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+
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+ - **原始来源**:https://huggingface.co/datasets/Datadog/BOOM
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+ - **论文/引用**:[[5]](https://arxiv.org/abs/2505.14766)
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+ - **统一格式合集**:[autogluon/fev_datasets](https://huggingface.co/datasets/autogluon/fev_datasets)
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+
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+ > 本数据由外部来源转换为统一格式后再转为 TsFile。许可与引用以**原始来源**为准,我们不对原始数据主张任何权利。除非另有说明,数据仅供研究用途。
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+
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+ ## 数据统计
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+
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+ | 频率 | 序列数 | 中位长度 | 观测点数 | 动态列 | 静态列 | 文件 |
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+ |---|---|---|---|---|---|---|
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+ | 1062 | 1 | 16,384 | 344,064 | 21 | 6 | `1062/1062.tsfile` |
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+ | 1209 | 1 | 16,384 | 868,352 | 53 | 6 | `1209/1209.tsfile` |
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+ | 1225 | 1 | 16,384 | 802,816 | 49 | 6 | `1225/1225.tsfile` |
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+ | 1230 | 1 | 16,384 | 376,832 | 23 | 6 | `1230/1230.tsfile` |
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+ | 1282 | 1 | 16,384 | 573,440 | 35 | 6 | `1282/1282.tsfile` |
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+ | 1487 | 1 | 16,384 | 884,736 | 54 | 6 | `1487/1487.tsfile` |
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+ | 1631 | 1 | 10,463 | 418,520 | 40 | 6 | `1631/1631.tsfile` |
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+ | 1676 | 1 | 10,463 | 1,046,300 | 100 | 6 | `1676/1676.tsfile` |
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+ | 1855 | 1 | 5,231 | 272,012 | 52 | 6 | `1855/1855.tsfile` |
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+ | 1975 | 1 | 5,231 | 392,325 | 75 | 6 | `1975/1975.tsfile` |
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+ | 2187 | 1 | 5,231 | 523,100 | 100 | 6 | `2187/2187.tsfile` |
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+ | 285 | 1 | 16,384 | 1,228,800 | 75 | 6 | `285/285.tsfile` |
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+ | 619 | 1 | 16,384 | 851,968 | 52 | 6 | `619/619.tsfile` |
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+ | 772 | 1 | 16,384 | 1,097,728 | 67 | 6 | `772/772.tsfile` |
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+ | 963 | 1 | 16,384 | 458,752 | 28 | 6 | `963/963.tsfile` |
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+
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+ ## TsFile 存储模型
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+
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+ - 每条原始序列(`id`)→ 一个 **device**(TAG 维度)。
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+ - 静态协变量列 → 也作 **TAG**(device 元数据):`type, Application_Usage, Infrastructure, Database, Networking, Security`。
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+ - 随时间变化的 target / 动态协变量 → **measurement**(FIELD)。
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+ - `timestamp` → `Time`(INT64 毫秒)。
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+ - 表名:boomlet_1062, boomlet_1209, boomlet_1225, boomlet_1230, boomlet_1282, boomlet_1487, boomlet_1631, boomlet_1676, boomlet_1855, boomlet_1975, boomlet_2187, boomlet_285, boomlet_619, boomlet_772, boomlet_963。
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+
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+ ### 列含义
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+
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+ | 列 | 角色 | TsFile 类型 |
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+ |---|---|---|
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+ | `Time` | Time(时间列) | INT64 |
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+ | `id` | TAG(device 维度) | STRING |
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+ | `type` | TAG(device 维度) | STRING |
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+ | `Application_Usage` | TAG(device 维度) | DOUBLE |
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+ | `Infrastructure` | TAG(device 维度) | DOUBLE |
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+ | `Database` | TAG(device 维度) | DOUBLE |
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+ | `Networking` | TAG(device 维度) | DOUBLE |
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+ | `Security` | TAG(device 维度) | DOUBLE |
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+ | `target_0` | FIELD(measurement) | FLOAT |
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+ | `target_1` | FIELD(measurement) | FLOAT |
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+ | `target_2` | FIELD(measurement) | FLOAT |
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+ | `target_3` | FIELD(measurement) | FLOAT |
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+ | `target_4` | FIELD(measurement) | FLOAT |
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+ | `target_5` | FIELD(measurement) | FLOAT |
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+ | `target_6` | FIELD(measurement) | FLOAT |
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+ | `target_7` | FIELD(measurement) | FLOAT |
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+ | `target_8` | FIELD(measurement) | FLOAT |
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+ | `target_9` | FIELD(measurement) | FLOAT |
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+ | `target_10` | FIELD(measurement) | FLOAT |
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+ | `target_11` | FIELD(measurement) | FLOAT |
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+ | `target_12` | FIELD(measurement) | FLOAT |
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+ | `target_13` | FIELD(measurement) | FLOAT |
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+ | `target_14` | FIELD(measurement) | FLOAT |
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+ | `target_15` | FIELD(measurement) | FLOAT |
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+ | `target_16` | FIELD(measurement) | FLOAT |
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+ | `target_17` | FIELD(measurement) | FLOAT |
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+ | `target_18` | FIELD(measurement) | FLOAT |
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+ | `target_19` | FIELD(measurement) | FLOAT |
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+ | `target_20` | FIELD(measurement) | FLOAT |
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+
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+ > 注:有 15 个原始 id 含非法标识符字符,已规范化为合法 device 名(如 1062→_1062, 1209→_1209, 1225→_1225)。
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+
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+ ## 转换说明
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+
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+ - 每行原始数据是一整条序列 `(id, timestamp[], 各 target[])`,纵向打平为长表后写入 TsFile。
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+ - 数值类型按源列自适应:float32→FLOAT、float64→DOUBLE、整数→INT64、bool→BOOLEAN。
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+ - 时间精度:毫秒(INT64)。
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+ - 大表会被工具自动分片为 `<名>_1.tsfile`、`<名>_2.tsfile` …,同属一个逻辑表。
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+
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+ ## 读取示例
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+
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+ ```python
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+ from tsfile import TsFileReader
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+
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+ reader = TsFileReader("1062/1062.tsfile")
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+ schemas = reader.get_all_table_schemas()
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+ # 表名:boomlet_1062;列见下方"列含义"。
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+ ```