Update merge_tree_settings.md

docs/zh/operations/system-tables/merge_tree_settings.md

@@ -1,16 +1,55 @@
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-machine_translated: true
-machine_translated_rev: 5decc73b5dc60054f19087d3690c4eb99446a6c3
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+# merge_tree_settings 系统表 {#system-merge_tree_settings}
 
-# 系统。merge_tree_settings {#system-merge_tree_settings}
-
-包含有关以下设置的信息 `MergeTree` 桌子
+包含 `MergeTree` 表的配置信息。
 
 列:
 
--   `name` (String) — Setting name.
--   `value` (String) — Setting value.
--   `description` (String) — Setting description.
--   `type` (String) — Setting type (implementation specific string value).
--   `changed` (UInt8) — Whether the setting was explicitly defined in the config or explicitly changed.
+-   `name` (String) — 配置名称.
+-   `value` (String) — 配置的值.
+-   `description` (String) — 配置描述.
+-   `type` (String) — 配置类型 (执行特定的字符串值).
+-   `changed` (UInt8) — 该设置是否在配置中明确定义或明确改变.
+
+
+**示例**
+```sql
+:) SELECT * FROM system.merge_tree_settings LIMIT 4 FORMAT Vertical;
+```
+
+```text
+Row 1:
+──────
+name:        index_granularity
+value:       8192
+changed:     0
+description: How many rows correspond to one primary key value.
+type:        SettingUInt64
+
+Row 2:
+──────
+name:        min_bytes_for_wide_part
+value:       0
+changed:     0
+description: Minimal uncompressed size in bytes to create part in wide format instead of compact
+type:        SettingUInt64
+
+Row 3:
+──────
+name:        min_rows_for_wide_part
+value:       0
+changed:     0
+description: Minimal number of rows to create part in wide format instead of compact
+type:        SettingUInt64
+
+Row 4:
+──────
+name:        merge_max_block_size
+value:       8192
+changed:     0
+description: How many rows in blocks should be formed for merge operations.
+type:        SettingUInt64
+
+4 rows in set. Elapsed: 0.001 sec.
+```
+
+[原文](https://clickhouse.com/docs/zh/operations/system-tables/merge_tree_settings) <!--hide-->