mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-20 08:40:50 +00:00
Create distribution_queue.md
This commit is contained in:
parent
64434fb10b
commit
7ca924b2f6
50
docs/zh/operations/system-tables/distribution_queue.md
Normal file
50
docs/zh/operations/system-tables/distribution_queue.md
Normal file
@ -0,0 +1,50 @@
|
||||
# system.distribution_queue {#system_tables-distribution_queue}
|
||||
|
||||
包含关于队列中要发送到分片的本地文件的信息. 这些本地文件包含通过以异步模式将新数据插入到Distributed表中而创建的新部分.
|
||||
|
||||
列信息:
|
||||
|
||||
- `database` ([String](../../sql-reference/data-types/string.md)) — 数据库名称.
|
||||
|
||||
- `table` ([String](../../sql-reference/data-types/string.md)) — 表名称.
|
||||
|
||||
- `data_path` ([String](../../sql-reference/data-types/string.md)) — 存放本地文件的文件夹的路径.
|
||||
|
||||
- `is_blocked` ([UInt8](../../sql-reference/data-types/int-uint.md)) — Flag表示是否阻止向服务器发送本地文件.
|
||||
|
||||
- `error_count` ([UInt64](../../sql-reference/data-types/int-uint.md)) — 错误总数.
|
||||
|
||||
- `data_files` ([UInt64](../../sql-reference/data-types/int-uint.md)) — 文件夹中的本地文件数.
|
||||
|
||||
- `data_compressed_bytes` ([UInt64](../../sql-reference/data-types/int-uint.md)) — 本地文件中压缩数据的大小, 以字节为单位.
|
||||
|
||||
- `broken_data_files` ([UInt64](../../sql-reference/data-types/int-uint.md)) — 被标记为损坏的文件数量(由于错误).
|
||||
|
||||
- `broken_data_compressed_bytes` ([UInt64](../../sql-reference/data-types/int-uint.md)) — 破碎文件中压缩数据的大小, 以字节为单位.
|
||||
|
||||
- `last_exception` ([String](../../sql-reference/data-types/string.md)) — 关于最近发生的错误的文本信息(如果有的话).
|
||||
|
||||
**示例**
|
||||
|
||||
``` sql
|
||||
SELECT * FROM system.distribution_queue LIMIT 1 FORMAT Vertical;
|
||||
```
|
||||
|
||||
``` text
|
||||
Row 1:
|
||||
──────
|
||||
database: default
|
||||
table: dist
|
||||
data_path: ./store/268/268bc070-3aad-4b1a-9cf2-4987580161af/default@127%2E0%2E0%2E2:9000/
|
||||
is_blocked: 1
|
||||
error_count: 0
|
||||
data_files: 1
|
||||
data_compressed_bytes: 499
|
||||
last_exception:
|
||||
```
|
||||
|
||||
**另请参阅**
|
||||
|
||||
- [分布式表引擎](../../engines/table-engines/special/distributed.md)
|
||||
|
||||
[原始文章](https://clickhouse.com/docs/en/operations/system_tables/distribution_queue) <!--hide-->
|
Loading…
Reference in New Issue
Block a user