kowshik commented on a change in pull request #11345: URL: https://github.com/apache/kafka/pull/11345#discussion_r762882603
########## File path: core/src/main/scala/kafka/log/UnifiedLog.scala ########## @@ -1498,28 +1498,44 @@ class UnifiedLog(@volatile var logStartOffset: Long, producerStateManager.takeSnapshot() updateHighWatermarkWithLogEndOffset() // Schedule an asynchronous flush of the old segment - scheduler.schedule("flush-log", () => flush(newSegment.baseOffset)) + scheduler.schedule("flush-log", () => flushUptoOffsetExclusive(newSegment.baseOffset)) newSegment } /** * Flush all local log segments + * + * @param forceFlushActiveSegment should be true during a clean shutdown, and false otherwise. The reason is that + * we have to pass logEndOffset + 1 to the `localLog.flush(offset: Long): Unit` function to flush empty + * active segments, which is important to make sure we persist the active segment file during shutdown, particularly + * when it's empty. */ - def flush(): Unit = flush(logEndOffset) + def flush(forceFlushActiveSegment: Boolean): Unit = flush(logEndOffset, forceFlushActiveSegment) Review comment: IIUC that would increase the # of fsyncs that we'd typically do during segment rolls from 1 to 2. I'm not sure if we should make that change in this PR. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org