[GitHub] [kafka] ijuma commented on a change in pull request #8714: MINOR: Improve broker registration and Log logging

[GitBox <gi...@apache.org>]

ijuma commented on a change in pull request #8714:
URL: https://github.com/apache/kafka/pull/8714#discussion_r429285942



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File path: core/src/main/scala/kafka/log/Log.scala
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@@ -1694,9 +1694,10 @@ class Log(@volatile private var _dir: File,
   private def deleteOldSegments(predicate: (LogSegment, Option[LogSegment]) => Boolean, reason: String): Int = {
     lock synchronized {
       val deletable = deletableSegments(predicate)
-      if (deletable.nonEmpty)
+      if (deletable.nonEmpty) {
         info(s"Found deletable segments with base offsets [${deletable.map(_.baseOffset).mkString(",")}] due to $reason")
-      deleteSegments(deletable)
+        deleteSegments(deletable)
+      } else 0

Review comment:
       This doesn't change behavior, but makes the code a bit less weird. Previously, we would special case the log, but rely on the called method to check again if `deletable` is empty.




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