dhruvilshah3 commented on a change in pull request #9110:
URL: https://github.com/apache/kafka/pull/9110#discussion_r465939741
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File path: core/src/main/scala/kafka/log/Log.scala
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@@ -2227,14 +2210,17 @@ class Log(@volatile private var _dir: File,
* @param segments The log segments to schedule for deletion
* @param asyncDelete Whether the segment files should be deleted
asynchronously
*/
- private def removeAndDeleteSegments(segments: Iterable[LogSegment],
asyncDelete: Boolean): Unit = {
+ private def removeAndDeleteSegments(segments: Iterable[LogSegment],
+ asyncDelete: Boolean,
+ reason: SegmentDeletionReason): Unit = {
if (segments.nonEmpty) {
lock synchronized {
// As most callers hold an iterator into the `segments` collection and
`removeAndDeleteSegment` mutates it by
// removing the deleted segment, we should force materialization of
the iterator here, so that results of the
// iteration remain valid and deterministic.
val toDelete = segments.toList
toDelete.foreach { segment =>
+ info(s"${reason.reasonString(this, segment)}")
Review comment:
I think this is reasonable. Logging a segment per line will make it
easier for us to diagnose issues. I made the change to log a segment per line
for retention-related deletions. We still batch all segments in a single line
for all other deletion events, eg. log deletion, truncation, etc.
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