vinodkc commented on code in PR #41746:
URL: https://github.com/apache/spark/pull/41746#discussion_r1247971638
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core/src/main/scala/org/apache/spark/SparkContext.scala:
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@@ -383,20 +383,22 @@ class SparkContext(config: SparkConf) extends Logging {
def setLogLevel(logLevel: String): Unit = {
// let's allow lowercase or mixed case too
val upperCased = logLevel.toUpperCase(Locale.ROOT)
- require(SparkContext.VALID_LOG_LEVELS.contains(upperCased),
+ require(
+ SparkContext.VALID_LOG_LEVELS.contains(upperCased),
s"Supplied level $logLevel did not match one of:" +
s" ${SparkContext.VALID_LOG_LEVELS.mkString(",")}")
- Utils.setLogLevel(Level.toLevel(upperCased))
+ // Update only if new log level is not same as current log level
+ if (upperCased != Utils.getLogLevel) {
+ Utils.setLogLevel(Level.toLevel(upperCased))
+ // Inform all executors about the change
+ if (config.get(EXECUTOR_ALLOW_SYNC_LOG_LEVEL)) {
+ _schedulerBackend.refresh(immutable.Map("logLevel" -> upperCased))
+ }
+ }
}
try {
_conf = config.clone()
- _conf.get(SPARK_LOG_LEVEL).foreach { level =>
- if (Logging.setLogLevelPrinted) {
- System.err.printf("Setting Spark log level to \"%s\".\n", level)
- }
- setLogLevel(level)
- }
Review Comment:
Moved this down to avoid an NPE with this PR, however, this initialization
message will still be printed.
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