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Merge pull request #26616 from den-crane/patch-19

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Doc. Documentation for compression level
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Alexey Boykov 2021-07-21 20:57:40 +03:00 committed by GitHub
commit b285b1820e
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2 changed files with 8 additions and 2 deletions
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5
docs/en/operations/server-configuration-parameters/settings.md
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@ -34,6 +34,7 @@ Configuration template:
<min_part_size>...</min_part_size>
<min_part_size_ratio>...</min_part_size_ratio>
<method>...</method>
<level>...</level>
</case>
...
</compression>
@ -43,7 +44,8 @@ Configuration template:
- `min_part_size` – The minimum size of a data part.
- `min_part_size_ratio` – The ratio of the data part size to the table size.
- `method` – Compression method. Acceptable values: `lz4` or `zstd`.
- `method` – Compression method. Acceptable values: `lz4`, `lz4hc`, `zstd`.
- `level` – Compression level. See [Codecs](../../sql-reference/statements/create/table/#create-query-general-purpose-codecs).
You can configure multiple `<case>` sections.
@ -62,6 +64,7 @@ If no conditions met for a data part, ClickHouse uses the `lz4` compression.
<min_part_size>10000000000</min_part_size>
<min_part_size_ratio>0.01</min_part_size_ratio>
<method>zstd</method>
<level>1</level>
</case>
</compression>
```

5
docs/ru/operations/server-configuration-parameters/settings.md
View File

@ -34,6 +34,7 @@ ClickHouse перезагружает встроенные словари с з
<min_part_size>...</min_part_size>
<min_part_size_ratio>...</min_part_size_ratio>
<method>...</method>
<level>...</level>
</case>
...
</compression>
@ -43,7 +44,8 @@ ClickHouse перезагружает встроенные словари с з
- `min_part_size` - Минимальный размер части таблицы.
- `min_part_size_ratio` - Отношение размера минимальной части таблицы к полному размеру таблицы.
- `method` - Метод сжатия. Возможные значения: `lz4`, `zstd`.
- `method` - Метод сжатия. Возможные значения: `lz4`, `lz4hc`, `zstd`.
- `level` – Уровень сжатия. См. [Кодеки](../../sql-reference/statements/create/table/#create-query-common-purpose-codecs).
Можно сконфигурировать несколько разделов `<case>`.
@ -62,6 +64,7 @@ ClickHouse проверяет условия для `min_part_size` и `min_part
<min_part_size>10000000000</min_part_size>
<min_part_size_ratio>0.01</min_part_size_ratio>
<method>zstd</method>
<level>1</level>
</case>
</compression>
```