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Posted to notifications@tsfile.apache.org by "CritasWang (via GitHub)" <gi...@apache.org> on 2024/05/28 09:45:40 UTC

[PR] change Comparison to table [tsfile]

CritasWang opened a new pull request, #90:
URL: https://github.com/apache/tsfile/pull/90

   (no comment)


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Re: [PR] change Comparison to table [tsfile]

Posted by "qiaojialin (via GitHub)" <gi...@apache.org>.
qiaojialin merged PR #90:
URL: https://github.com/apache/tsfile/pull/90


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Re: [PR] change Comparison to table [tsfile]

Posted by "qiaojialin (via GitHub)" <gi...@apache.org>.
qiaojialin commented on code in PR #90:
URL: https://github.com/apache/tsfile/pull/90#discussion_r1616932713


##########
README-zh.md:
##########
@@ -95,8 +95,16 @@ TsFile 通过采用二阶差分编码、游程编码（RLE）、位压缩和 Sna
 
 其独特之处在于编码算法专为时序数据特性设计，聚焦在时间属性和数据之间的相关性。
 
-(![TsFile、Parquet 和 ORC 三种文件格式的比较](https://alioss.timecho.com/upload/Apache%20TsFile%20%E5%8F%91%E5%B8%83%E5%9B%BE4-20240315.png))
-
+TsFile、CSV 和 Parquet 三种文件格式的比较
+
+| Dimension       | TsFile       | CSV   | Parquet |
+|-----------------|--------------|-------|---------|
+| Data Model      | IoT          | Plain | Nested  |
+| Write Mode      | Tablet, Line | Line  | Line    |
+| Compression     | Yes          | No    | Yes     |
+| Read Mode       | Query, Scan  | Scan  | Query   |
+| Index on Series | Yes          | No    | No      |
+| Index on Time   | Yes          | No    | No      |

Review Comment:
   ```suggestion
   TsFile、CSV 和 Parquet 三种文件格式的比较
   
   | 维度       | TsFile       | CSV   | Parquet |
   |-----------------|--------------|-------|---------|
   | 数据模型     | 物联网时序          | 无 | 嵌套  |
   | 写入模式      | 批, 行 | 行  | 行    |
   | 压缩     | 有          | 无    | 有     |
   | 读取模式       | 查询, 扫描  | 扫描  | 查询   |
   | 序列索引 | 有          | 无   | 无      |
   | 时间索引   |  有          | 无    | 无      |
   ```



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