Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Update two informtion_schema tables desc #18527

Merged
merged 15 commits into from
Oct 15, 2024
Merged

Update two informtion_schema tables desc #18527

Show file tree
Hide file tree
Changes from 6 commits
Commits
Show all changes
15 commits
Select commit Hold shift + click to select a range
97b8c07
update two infor-schema table desc
yibin87 Sep 4, 2024
81e5f2f
Remove empty line
yibin87 Sep 4, 2024
c2fce62
Apply suggestions from code review
hfxsd Sep 5, 2024
273a560
address comments
yibin87 Sep 10, 2024
6b16e39
Address comments
yibin87 Sep 10, 2024
cb58e56
address comments
yibin87 Sep 10, 2024
73cac47
Address comments
yibin87 Sep 10, 2024
2c43d0b
Little change
yibin87 Sep 10, 2024
5517886
Update information-schema/information-schema-processlist.md
hfxsd Sep 10, 2024
a2aad9c
Update document
yibin87 Sep 12, 2024
9ecced4
Apply suggestions from code review
yibin87 Sep 12, 2024
8f62ed1
Little update
yibin87 Sep 13, 2024
ec1c15e
Little update
yibin87 Sep 13, 2024
f040b11
Update information-schema/information-schema-processlist.md
yibin87 Sep 18, 2024
4c479a9
Apply suggestions from code review
yibin87 Sep 19, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
18 changes: 13 additions & 5 deletions information-schema/information-schema-processlist.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,8 @@ aliases: ['/docs-cn/dev/information-schema/information-schema-processlist/']
* `RESOURCE_GROUP` 列：显示对应的资源组名称。
* `SESSION_ALIAS` 列：显示当前连接的别名。
* `ROWS_AFFECTED` 列：显示语句当前影响的行数。
* `TIDB_CPU` 列：显示语句当前占用 TiDB 服务器 CPU 时间，单位是秒。例如某查询持续占满 tidb 服务器的4个 CPU 1秒钟，那么该值为4。该列仅在开启 [Top SQL 特性](/dashboard/top-sql.md) 时有非0值。
yibin87 marked this conversation as resolved.
Show resolved Hide resolved
* `TIKV_CPU` 列：显示语句当前占用 TiKV 服务器 CPU 时间，单位是秒。

```sql
USE information_schema;
Expand All @@ -42,6 +44,8 @@ DESC processlist;
| RESOURCE_GROUP | varchar(32) | NO | | | |
| SESSION_ALIAS | varchar(64) | NO | | | |
| ROWS_AFFECTED | bigint(21) unsigned | YES | | NULL | |
| TIDB_CPU | double | NO | | 0 | |
| TIKV_CPU | double | NO | | 0 | |
+----------------+---------------------+------+------+---------+-------+
```

Expand All @@ -66,6 +70,8 @@ SELECT * FROM information_schema.processlist\G
RESOURCE_GROUP: default
SESSION_ALIAS:
ROWS_AFFECTED: 0
TIDB_CPU: 0
TIKV_CPU: 0
```

`PROCESSLIST` 表各列的含义如下：
Expand All @@ -85,6 +91,8 @@ RESOURCE_GROUP: default
* `RESOURCE_GROUP` 列：显示对应的资源组名称。
* `SESSION_ALIAS` 列：显示当前连接的别名。
* `ROWS_AFFECTED` 列：显示语句当前影响的行数。
* `TIDB_CPU` 列：显示语句当前占用 TiDB 服务器 CPU 时间，单位是秒。
yibin87 marked this conversation as resolved.
Show resolved Hide resolved
* `TIKV_CPU` 列：显示语句当前占用 TiKV 服务器 CPU 时间，单位是秒。

## CLUSTER_PROCESSLIST

Expand All @@ -97,9 +105,9 @@ SELECT * FROM information_schema.cluster_processlist;
```

```sql
+-----------------+------------+------+-----------------+------+---------+------+------------+------------------------------------------------------+------------------------------------------------------------------+------+------+----------------------------------------+----------------+---------------+---------------+
| INSTANCE | ID | USER | HOST | DB | COMMAND | TIME | STATE | INFO | DIGEST | MEM | DISK | TxnStart | RESOURCE_GROUP | SESSION_ALIAS | ROWS_AFFECTED |
+-----------------+------------+------+-----------------+------+---------+------+------------+------------------------------------------------------+------------------------------------------------------------------+------+------+----------------------------------------+----------------+---------------+---------------+
| 127.0.0.1:10080 | 1268776964 | root | 127.0.0.1:59922 | NULL | Query | 0 | autocommit | SELECT * FROM information_schema.cluster_processlist | b1e38e59fbbc3e2b35546db5c8053040db989a497ac6cd71ff8dd4394395701a | 0 | 0 | 07-29 12:39:24.282(451471727468740609) | default | | 0 |
+-----------------+------------+------+-----------------+------+---------+------+------------+------------------------------------------------------+------------------------------------------------------------------+------+------+----------------------------------------+----------------+---------------+---------------+
+-----------------+------------+------+-----------------+------+---------+------+------------+------------------------------------------------------+------------------------------------------------------------------+------+------+----------------------------------------+----------------+---------------+---------------+----------+----------+
| INSTANCE | ID | USER | HOST | DB | COMMAND | TIME | STATE | INFO | DIGEST | MEM | DISK | TxnStart | RESOURCE_GROUP | SESSION_ALIAS | ROWS_AFFECTED | TIDB_CPU | TIKV_CPU |
+-----------------+------------+------+-----------------+------+---------+------+------------+------------------------------------------------------+------------------------------------------------------------------+------+------+----------------------------------------+----------------+---------------+---------------+----------+----------+
| 127.0.0.1:10080 | 1268776964 | root | 127.0.0.1:59922 | NULL | Query | 0 | autocommit | SELECT * FROM information_schema.cluster_processlist | b1e38e59fbbc3e2b35546db5c8053040db989a497ac6cd71ff8dd4394395701a | 0 | 0 | 07-29 12:39:24.282(451471727468740609) | default | | 0 | 0 | 0 |
yibin87 marked this conversation as resolved.
Show resolved Hide resolved
+-----------------+------------+------+-----------------+------+---------+------+------------+------------------------------------------------------+------------------------------------------------------------------+------+------+----------------------------------------+----------------+---------------+---------------+----------+----------+
```
4 changes: 4 additions & 0 deletions information-schema/information-schema-slow-query.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,8 @@ DESC slow_query;
| Request_unit_read | double | YES | | NULL | |
| Request_unit_write | double | YES | | NULL | |
| Time_queued_by_rc | double | YES | | NULL | |
| Tidb_cpu_usage | double | YES | | NULL | |
| Tikv_cpu_usage | double | YES | | NULL | |
yibin87 marked this conversation as resolved.
Show resolved Hide resolved
yibin87 marked this conversation as resolved.
Show resolved Hide resolved
| Plan | longtext | YES | | NULL | |
| Plan_digest | varchar(128) | YES | | NULL | |
| Binary_plan | longtext | YES | | NULL | |
Expand Down Expand Up @@ -190,6 +192,8 @@ DESC CLUSTER_SLOW_QUERY;
| Request_unit_read | double | YES | | NULL | |
| Request_unit_write | double | YES | | NULL | |
| Time_queued_by_rc | double | YES | | NULL | |
| Tidb_cpu_usage | double | YES | | NULL | |
| Tikv_cpu_usage | double | YES | | NULL | |
yibin87 marked this conversation as resolved.
Show resolved Hide resolved
| Plan | longtext | YES | | NULL | |
| Plan_digest | varchar(128) | YES | | NULL | |
| Binary_plan | longtext | YES | | NULL | |
Expand Down