srowen commented on code in PR #42999:
URL: https://github.com/apache/spark/pull/42999#discussion_r1339350129
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core/src/main/scala/org/apache/spark/util/Utils.scala:
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@@ -2323,31 +2323,75 @@ private[spark] object Utils
* configure a new log4j level
*/
def setLogLevel(l: Level): Unit = {
- val (ctx, loggerConfig) = getLogContext
+ val (ctx, loggerConfig) = getLogContext()
loggerConfig.setLevel(l)
ctx.updateLoggers()
// Setting threshold to null as rootLevel will define log level for
spark-shell
Logging.sparkShellThresholdLevel = null
}
+ /**
+ * configure a new log4j level for specific package or class
+ *
+ * @param name package or class name such as "org.apache.spark" or
+ * "org.apache.spark.SparkContext"
+ * @param level new level of [[org.apache.log4j.Level]]
+ */
+ def setLogLevel(name: String, level: Level): Unit = {
+ val (ctx, loggerConfig) = getLogContext(name)
+ if (loggerConfig != null) {
+ loggerConfig.setLevel(level)
+ logInfo(s"Logger ${loggerConfig.getName} level changed into $level")
+ } else {
+ val newLoggerConfig = new LoggerConfig(name, level, true)
+ ctx.getConfiguration.addLogger(name, newLoggerConfig)
+ logInfo(s"Added new logger $name = $level")
+ }
+ ctx.updateLoggers()
+ }
+
+ /**
+ * get logger level for specific package or class
+ *
+ * @param name package or class name such as "org.apache.spark" or
+ * "org.apache.spark.SparkContext"
+ */
+ def getLoggerLevel(name: String): Option[Level] = {
+ val (ctx, loggerConfig) = getLogContext(name)
+ Option(loggerConfig).map(c => c.getLevel)
+ }
+
+ /**
+ * remove logger for specific package or class
+ *
+ * @param name package or class name such as "org.apache.spark" or
+ * "org.apache.spark.SparkContext"
+ */
+ def removeLogger(name: String): Unit = {
Review Comment:
They should be private to Spark then and just make sure they're annotated as
for testing only
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