| `SW_MYSQL_SQL_PARAMETERS_MAX_LENGTH` | The maximum length of the collected parameter, parameters longer than the specified length will be truncated | `512` |
| `SW_IGNORE_SUFFIX` | If the operation name of the first span is included in this set, this segment should be ignored. | `.jpg,.jpeg,.js,.css,.png,.bmp,.gif,.ico,.mp3,.mp4,.html,.svg` |
| `SW_FLASK_COLLECT_HTTP_PARAMS`| This config item controls that whether the Flask plugin should collect the parameters of the request.| `false` |
| `SW_DJANGO_COLLECT_HTTP_PARAMS`| This config item controls that whether the Django plugin should collect the parameters of the request.| `false` |
| `SW_HTTP_PARAMS_LENGTH_THRESHOLD`| When `COLLECT_HTTP_PARAMS` is enabled, how many characters to keep and send to the OAP backend, use negative values to keep and send the complete parameters, NB. this config item is added for the sake of performance. | `1024` |