session's UpdateTime is wrong

[nebula-bots]

Please check the FAQ documentation before raising an issue

when I connect to graph, and show sessions, the session's UpdateTime is wrong, it correct when I wait some seconds
UpdateTime is 1970-01-01T00:00:00.000000

(root@nebula) [(none)]> show sessions;
+------------------+----------+--------------+----------------------------+----------------------------+----------------------+----------+-----------------+
| SessionId        | UserName | SpaceName    | CreateTime                 | UpdateTime                 | GraphAddr            | Timezone | ClientIp        |
+------------------+----------+--------------+----------------------------+----------------------------+----------------------+----------+-----------------+
| 1671092534276357 | "root"   | ""           | 2022-12-15T08:22:14.276357 | 2022-12-15T08:22:14.332270 | "graph-0.graph:9669" | 0        | "10.60.157.128" |
| 1671092523801353 | "root"   | ""           | 2022-12-15T08:22:03.801353 | 2022-12-15T08:22:03.938307 | "graph-0.graph:9669" | 0        | "10.60.157.128" |
| 1671092564893786 | "root"   | ""           | 2022-12-15T08:22:44.893786 | 2022-12-15T08:22:44.948130 | "graph-0.graph:9669" | 0        | "10.60.157.128" |
| 1671092575025790 | "root"   | ""           | 2022-12-15T08:22:55.025790 | 2022-12-15T08:22:55.079422 | "graph-0.graph:9669" | 0        | "10.60.157.128" |
| 1671092534001294 | "root"   | ""           | 2022-12-15T08:22:14.001294 | 2022-12-15T08:22:14.194813 | "graph-0.graph:9669" | 0        | "10.60.157.128" |
| 1671092544510864 | "root"   | "my_space_2" | 2022-12-15T08:22:24.510864 | 2022-12-15T08:22:24.568660 | "graph-0.graph:9669" | 0        | "10.60.157.128" |
| 1671092554754751 | "root"   | "my_space_3" | 2022-12-15T08:22:34.754751 | 2022-12-15T08:22:34.814110 | "graph-0.graph:9669" | 0        | "10.60.157.128" |
| 1671099211381468 | "root"   | ""           | 2022-12-15T10:13:31.381468 | 1970-01-01T00:00:00.000000 | "graph-0.graph:9669" | 0        | "10.60.71.175"  |
| 1671092534385406 | "root"   | ""           | 2022-12-15T08:22:14.385406 | 2022-12-15T08:22:14.440567 | "graph-0.graph:9669" | 0        | "10.60.157.128" |
+------------------+----------+--------------+----------------------------+----------------------------+----------------------+----------+-----------------+
Got 9 rows (time spent 600/1133 us)

Thu, 15 Dec 2022 18:13:31 CST

Describe the bug (required)

Your Environments (required)

• OS: uname -a
• Compiler: g++ --version or clang++ --version
• CPU: lscpu
• Commit id v3.1.0 ent and ent-nightly

How To Reproduce(required)

Steps to reproduce the behavior:

1. Step 1
2. Step 2
3. Step 3

Expected behavior

Additional context

[porscheme]

Please check the FAQ documentation before raising an issue

when I connect to graph, and show sessions, the session's UpdateTime is wrong, it correct when I wait some seconds UpdateTime is 1970-01-01T00:00:00.000000

(root@nebula) [(none)]> show sessions;
+------------------+----------+--------------+----------------------------+----------------------------+----------------------+----------+-----------------+
| SessionId        | UserName | SpaceName    | CreateTime                 | UpdateTime                 | GraphAddr            | Timezone | ClientIp        |
+------------------+----------+--------------+----------------------------+----------------------------+----------------------+----------+-----------------+
| 1671092534276357 | "root"   | ""           | 2022-12-15T08:22:14.276357 | 2022-12-15T08:22:14.332270 | "graph-0.graph:9669" | 0        | "10.60.157.128" |
| 1671092523801353 | "root"   | ""           | 2022-12-15T08:22:03.801353 | 2022-12-15T08:22:03.938307 | "graph-0.graph:9669" | 0        | "10.60.157.128" |
| 1671092564893786 | "root"   | ""           | 2022-12-15T08:22:44.893786 | 2022-12-15T08:22:44.948130 | "graph-0.graph:9669" | 0        | "10.60.157.128" |
| 1671092575025790 | "root"   | ""           | 2022-12-15T08:22:55.025790 | 2022-12-15T08:22:55.079422 | "graph-0.graph:9669" | 0        | "10.60.157.128" |
| 1671092534001294 | "root"   | ""           | 2022-12-15T08:22:14.001294 | 2022-12-15T08:22:14.194813 | "graph-0.graph:9669" | 0        | "10.60.157.128" |
| 1671092544510864 | "root"   | "my_space_2" | 2022-12-15T08:22:24.510864 | 2022-12-15T08:22:24.568660 | "graph-0.graph:9669" | 0        | "10.60.157.128" |
| 1671092554754751 | "root"   | "my_space_3" | 2022-12-15T08:22:34.754751 | 2022-12-15T08:22:34.814110 | "graph-0.graph:9669" | 0        | "10.60.157.128" |
| 1671099211381468 | "root"   | ""           | 2022-12-15T10:13:31.381468 | 1970-01-01T00:00:00.000000 | "graph-0.graph:9669" | 0        | "10.60.71.175"  |
| 1671092534385406 | "root"   | ""           | 2022-12-15T08:22:14.385406 | 2022-12-15T08:22:14.440567 | "graph-0.graph:9669" | 0        | "10.60.157.128" |
+------------------+----------+--------------+----------------------------+----------------------------+----------------------+----------+-----------------+
Got 9 rows (time spent 600/1133 us)

Thu, 15 Dec 2022 18:13:31 CST

Describe the bug (required)

Your Environments (required)

• OS: uname -a
• Compiler: g++ --version or clang++ --version
• CPU: lscpu
• Commit id v3.1.0 ent and ent-nightly

How To Reproduce(required)

Steps to reproduce the behavior:

1. Step 1
2. Step 2
3. Step 3

Expected behavior

Additional context

Look at the data, how can we tell if a session active?

[porscheme]

Looking at the data, how can we tell if a session is still?

[Aiee]

Looking at the data, how can we tell if a session is still?

All sessions you see in the SHOW SESSIONS output are alive. Expired sessions will be cleaned periodically.