GitHub user rajujith added a comment to the discussion: CloudStack starts 
misbehaving under minimal load

@akrasnov-drv I did the same tests in a basic zone creating instances in 
parallel using the default template. They were created in a minute to two 
minutes. It would be faster in faster hardware. I used a nested KVM. 
```

mysql> SELECT
    ->     id,
    ->     instance_id,
    ->     job_status,
    ->     job_result_code,
    ->     created,
    ->     last_updated,
    ->     TIME_TO_SEC(TIMEDIFF(last_updated, created)) AS time_diff_seconds
    -> FROM async_job
    -> WHERE 
job_cmd='org.apache.cloudstack.api.command.admin.vm.DeployVMCmdByAdmin'
    -> ORDER BY instance_id DESC
    -> LIMIT 20;
+-----+-------------+------------+-----------------+---------------------+---------------------+-------------------+
| id  | instance_id | job_status | job_result_code | created             | 
last_updated        | time_diff_seconds |
+-----+-------------+------------+-----------------+---------------------+---------------------+-------------------+
| 206 |          43 |          1 |               0 | 2025-02-19 06:35:07 | 
2025-02-19 06:36:26 |                79 |
| 205 |          42 |          1 |               0 | 2025-02-19 06:35:07 | 
2025-02-19 06:36:27 |                80 |
| 199 |          41 |          1 |               0 | 2025-02-19 06:35:06 | 
2025-02-19 06:36:18 |                72 |
| 194 |          40 |          1 |               0 | 2025-02-19 06:35:06 | 
2025-02-19 06:36:31 |                85 |
| 197 |          39 |          1 |               0 | 2025-02-19 06:35:06 | 
2025-02-19 06:36:16 |                70 |
| 201 |          38 |          1 |               0 | 2025-02-19 06:35:07 | 
2025-02-19 06:36:28 |                81 |
| 196 |          37 |          1 |               0 | 2025-02-19 06:35:06 | 
2025-02-19 06:36:40 |                94 |
| 192 |          36 |          1 |               0 | 2025-02-19 06:35:06 | 
2025-02-19 06:36:16 |                70 |
| 189 |          35 |          1 |               0 | 2025-02-19 06:35:06 | 
2025-02-19 06:36:19 |                73 |
| 193 |          34 |          1 |               0 | 2025-02-19 06:35:06 | 
2025-02-19 06:36:12 |                66 |
| 191 |          33 |          1 |               0 | 2025-02-19 06:35:06 | 
2025-02-19 06:36:30 |                84 |
| 186 |          32 |          1 |               0 | 2025-02-19 06:35:06 | 
2025-02-19 06:36:20 |                74 |
| 188 |          31 |          1 |               0 | 2025-02-19 06:35:06 | 
2025-02-19 06:36:11 |                65 |
| 185 |          30 |          1 |               0 | 2025-02-19 06:35:05 | 
2025-02-19 06:36:33 |                88 |
| 184 |          29 |          1 |               0 | 2025-02-19 06:35:05 | 
2025-02-19 06:36:17 |                72 |
| 187 |          28 |          1 |               0 | 2025-02-19 06:35:06 | 
2025-02-19 06:36:29 |                83 |
| 180 |          27 |          1 |               0 | 2025-02-19 06:35:05 | 
2025-02-19 06:36:33 |                88 |
| 179 |          26 |          1 |               0 | 2025-02-19 06:35:05 | 
2025-02-19 06:36:14 |                69 |
| 177 |          25 |          1 |               0 | 2025-02-19 06:35:04 | 
2025-02-19 06:36:15 |                71 |
| 178 |          24 |          1 |               0 | 2025-02-19 06:35:04 | 
2025-02-19 06:36:10 |                66 |
+-----+-------------+------------+-----------------+---------------------+---------------------+-------------------+
```

GitHub link: 
https://github.com/apache/cloudstack/discussions/10414#discussioncomment-12245897

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