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MINOR: make LogCleaner.shouldRetainRecord more clear to read #6590

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Merged
hachikuji merged 3 commits into from
Apr 25, 2019
Merged

MINOR: make LogCleaner.shouldRetainRecord more clear to read #6590

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1751f7c
MINOR: make LogCleaner.shouldRetainRecord more clear to read
Apr 17, 2019
68dcd83
rename variable's name `latest` to `latestOffsetForKey`
FreeeeLy Apr 20, 2019
66db679
invert obsoleteDelete expression and change comments to make them con…
Apr 25, 2019
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4 changes: 2 additions & 2 deletions core/src/main/scala/kafka/log/LogCleaner.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -735,9 +735,9 @@ private[log] class Cleaner(val id: Int,
* 1) if there exists a message with the same key but higher offset
* 2) if the message is a delete "tombstone" marker and enough time has passed
*/
val redundant = foundOffset >= 0 && record.offset < foundOffset
val latestOffsetForKey = record.offset() >= foundOffset
val obsoleteDelete = !retainDeletes && !record.hasValue
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!redundant && !obsoleteDelete
latestOffsetForKey && !obsoleteDelete
} else {
stats.invalidMessage()
false
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