`plugin.tomcat.collect_http_params`| This config item controls that whether the Tomcat plugin should collect the parameters of the request. Also, activate implicitly in the profiled trace. | `false` |
`plugin.springmvc.collect_http_params`| This config item controls that whether the SpringMVC plugin should collect the parameters of the request, when your Spring application is based on Tomcat, consider only setting either `plugin.tomcat.collect_http_params` or `plugin.springmvc.collect_http_params`. Also, activate implicitly in the profiled trace. | `false` |
`plugin.http.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` |
`plugin.influxdb.trace_influxql`|If true, trace all the influxql(query and write) in InfluxDB access, default is true.|`true`|
`correlation.element_max_number`|Max element count of the correlation context.|`3`|
`correlation.value_max_length`|Max value length of correlation context element.|`128`|