> ## Documentation Index
> Fetch the complete documentation index at: https://docs.activeviam.com/llms.txt
> Use this file to discover all available pages before exploring further.
# logback.xml
## File purpose
The **logback.xml** file defines the logback configuration for Atoti CVA Risk Capital in production.
As of version 6.0.0, Atoti CVA Risk Capital uses Logback 1.5.x which includes some configuration changes from previous versions. Ensure your custom logback configurations are compatible with Logback 1.5.x.
## File location
The file is located in the folder **cvarc-application\src\main\resources**.
## File values
The **logback.xml** file uses Logback configuration. See the official Logback documentation for details about Logback concepts: [https://logback.qos.ch/documentation.html](https://logback.qos.ch/documentation.html)
| Element | Attribute | Value | Description |
| ------------------------------------------ | ----------- | -------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------- |
| `` | debug | `true` | Flag used to enable/disable Logback debug mode. |
| `` | key | `startupDateTime` | Indicates that a timestamp will be generated at configuration parsing time. |
| | datePattern | `yyyyMMdd-HHmmss` | Pattern of the generated timestamp. |
| `` | name | `logDirRootPath` | Name of the property used to define the folder in which the logs will be printed out. |
| | value | `${custom.log.dir:-${catalina.base:-.}/logs}` | Value of that property. |
| `` | name | `logFileNamePrefix` | Name of property used to define the prefix of the log files. |
| | value | `cvarc_${startupDateTime}-startup_` | Value of that property. |
| `` | name | `logFileNameRollingTag` | Name of the property used to define the tag used in the rolled logs. |
| | value | `%d{yyyyMMdd}-period-%i` | Value of that property. |
| `` | name | `logFileNameExt` | Name of the property used to define the exension of the generated log files. |
| | value | `.log.zip` | Value of that property. |
| `` | name | `logFileRollingMaxHistory` | Name of the property used to define the maximum number of rolled-over files to keep. |
| | value | `30` | Value of that property. |
| `` | name | `logFileRollingMaxFileSize` | Name of the property used to define the maximum size of a log file. |
| | value | `200GB` | Value of that property. |
| `` | name | `logPattern` | Name of the property used to define the layout of the logs. |
| | value | `%date{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %logger%n%level: %message%n%n%throwable` | Value of that property. |
| `` | name | `MAIN` | Appender used to output main logs. |
| | class | `ch.qos.logback.core.rolling.RollingFileAppender` | Rolling file appender. |
| `` | class | `ch.qos.logback.core.rolling.TimeBasedRollingPolicy` | Rolls over files by date. |
| `` | | `${logDirRootPath}/${logFileNamePrefix}main_${logFileNameRollingTag}${logFileNameExt}` | Name of the rolled-over log files. |
| `` | | `${logFileRollingMaxHistory}` | Controls the maximum number of rolled-over files to keep. |
| `` | class | `ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP` | Specifies the rollover times. The rollover can be set up to occur once per day, per week, or per month. |
| `` | | `${logFileRollingMaxFileSize}` | Controls the maximum size of rolled-over files. |
| `` | | | |
| `` | | `${logPattern}` | Pattern used for the log output. |
| `` | name | `quartetfs.activepivot.xmla` | The logger for the XMLA response (?) |
| | level | `INFO` | The level of printed out logs for that logger. |
| `` | name | `com.quartetfs.biz.pivot.monitoring.impl.XmlaMonitorListener` | The logger for the class used to output the current time and size of the XMLA response. |
| | level | `INFO` | The level of printed out logs for that logger. |
| `` | ref | `QUERIES` | The name of the Logback appender used by the logger. |
| `` | name | `com.quartetfs.biz.pivot.webservices` | The logger for the core Atoti Server webservices package. |
| | level | `INFO` | The level of printed out logs for that logger. |
| `` | ref | `QUERIES` | The name of the Logback appender used by the logger. |
| `` | name | `com.quartetfs.biz.pivot.streaming` | The logger for the core Atoti Server streaming package. |
| | level | `INFO` | The level of printed out logs for that logger. |
| `` | ref | `QUERIES` | The name of the Logback appender used by the logger. |
| `` | name | `com.quartetfs.tech.streaming` | Logging for Atoti Server streams (stateful components publishing events to a publisher ). |
| | level | `INFO` | The level of printed out logs for that logger. |
| `` | ref | `QUERIES` | The name of the Logback appender used by the logger. |
| `` | name | `com.qfs.pivot.rest.discovery` | The logger for the Atoti Server discovery service. |
| | level | `INFO` | The level of printed out logs for that logger. |
| `` | ref | `QUERIES` | The name of the Logback appender used by the logger. |
| `` | name | `com.qfs.pivot.rest.query` | The logger for the Atoti Server queries service. |
| | level | `INFO` | The level of printed out logs for that logger. |
| `` | ref | `QUERIES` | The name of the Logback appender used by the logger. |
| `` | name | `com.quartetfs.pivot.mdx` | The logger for the MDX engine. |
| | level | `INFO` | The level of printed out logs for that logger. |
| `` | ref | `QUERIES` | The name of the Logback appender used by the logger. |
| `` | name | `com.quartetfs.biz.pivot.impl.TimerActivePivotQueryExecutor` | A simple query executor that times each query that goes through it, and logs the timings at the Level.INFO |
| | level | `INFO` | The level of printed out logs for that logger. |
| `` | ref | `QUERIES` | The name of the Logback appender used by the logger. |
| `` | name | `com.quartetfs.biz.pivot.impl.ActivePivotVersion` | The logger for the Atoti Server version instance. |
| | level | `INFO` | The level of printed out logs for that logger. |
| `` | ref | `QUERIES` | The name of the Logback appender used by the logger. |
| `` | name | `com.quartetfs.biz.pivot.query.aggregates` | The logger for the retrieval of aggregated values. |
| | level | `INFO` | The level of printed out logs for that logger. |
| `` | ref | `QUERIES` | The name of the Logback appender used by the logger. |
| `` | name | `com.quartetfs.biz.pivot.postprocessing` | The logger for Atoti Server post-processors |
| | level | `INFO` | The level of printed out logs for that logger. |
| `` | ref | `QUERIES` | The name of the Logback appender used by the logger. |
| `` | name | `org.springframework.http` | The logger for the Spring package that contains a basic abstraction over client/server-side HTTP. |
| | level | `INFO` | The level of printed out logs for that logger. |
| `` | ref | `QUERIES` | The name of the Logback appender used by the logger. |
| `` | name | `org.springframework.remoting` | The logger for the exception hierarchy for Spring’s remoting infrastructure, independent of any specific remote method invocation system. |
| | level | `INFO` | The level of printed out logs for that logger. |
| `` | ref | `QUERIES` | The name of the Logback appender used by the logger. |
| `` | name | `com.qfs.pivot.websocket` | The logger for Atoti Server websockets. |
| | level | `INFO` | The level of printed out logs for that logger. |
| `` | ref | `QUERIES` | The name of the Logback appender used by the logger. |
| `` | level | `INFO` | Root logger level. |
| `` | ref | `MAIN` | The name of the Logback appender used by the root logger. |
| `` | class | `ch.qos.logback.classic.jul.LevelChangePropagator` | Implementation of Logback context listener. |
| `` | | `true` | Flag used to reset all previous level configurations of all j.u.l. loggers. |