m1a2st commented on code in PR #20334:
URL: https://github.com/apache/kafka/pull/20334#discussion_r2293799598
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storage/src/main/java/org/apache/kafka/storage/internals/log/UnifiedLog.java:
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@@ -1887,8 +1887,10 @@ public int deleteOldSegments() throws IOException {
return deleteLogStartOffsetBreachedSegments() +
deleteRetentionSizeBreachedSegments() +
deleteRetentionMsBreachedSegments();
- } else {
+ } else if (config().compact) {
return deleteLogStartOffsetBreachedSegments();
+ } else {
+ return deleteLogStartOffsetBreachedSegments() +
deleteRetentionSizeBreachedSegments();
Review Comment:
> Well, an empty cleanup.policy is the same as delete with retention time
and retention size set to -1, which tiered storage supports. So, empty
cleanup.policy should be supported by tiered storage. In the KIP, we have the
following.
Thanks for the explaination!
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