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https://issues.apache.org/jira/browse/KAFKA-1374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14316714#comment-14316714
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Joel Koshy commented on KAFKA-1374:
-----------------------------------
I can review this next week. However, as far as checking in is concerned I
would strongly prefer to get KAFKA-1755 done first (for which I have a patch
almost ready). The reason for that is that this patch is a significant change
to the log cleaner and I would rather get some defensive code in first since
the log cleaner health is critical for offset management as well as for Samza
use-cases.
> LogCleaner (compaction) does not support compressed topics
> ----------------------------------------------------------
>
> Key: KAFKA-1374
> URL: https://issues.apache.org/jira/browse/KAFKA-1374
> Project: Kafka
> Issue Type: Bug
> Reporter: Joel Koshy
> Assignee: Manikumar Reddy
> Labels: newbie++
> Fix For: 0.8.3
>
> Attachments: KAFKA-1374.patch, KAFKA-1374_2014-08-09_16:18:55.patch,
> KAFKA-1374_2014-08-12_22:23:06.patch, KAFKA-1374_2014-09-23_21:47:12.patch,
> KAFKA-1374_2014-10-03_18:49:16.patch, KAFKA-1374_2014-10-03_19:17:17.patch,
> KAFKA-1374_2015-01-18_00:19:21.patch
>
>
> This is a known issue, but opening a ticket to track.
> If you try to compact a topic that has compressed messages you will run into
> various exceptions - typically because during iteration we advance the
> position based on the decompressed size of the message. I have a bunch of
> stack traces, but it should be straightforward to reproduce.
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