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https://issues.apache.org/jira/browse/KAFKA-1499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16083980#comment-16083980
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Manikumar commented on KAFKA-1499:
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[~sludwig] Yes, newly produced data will use latest compression.type. In
compact mode, it is possible that old data may get compacted using new
compression.type.
> Broker-side compression configuration
> -------------------------------------
>
> Key: KAFKA-1499
> URL: https://issues.apache.org/jira/browse/KAFKA-1499
> Project: Kafka
> Issue Type: New Feature
> Reporter: Joel Koshy
> Assignee: Manikumar
> Labels: newbie++
> Fix For: 0.9.0.0
>
> Attachments: KAFKA-1499_2014-08-15_14:20:27.patch,
> KAFKA-1499_2014-08-21_21:44:27.patch, KAFKA-1499_2014-09-21_15:57:23.patch,
> KAFKA-1499_2014-09-23_14:45:38.patch, KAFKA-1499_2014-09-24_14:20:33.patch,
> KAFKA-1499_2014-09-24_14:24:54.patch, KAFKA-1499_2014-09-25_11:05:57.patch,
> KAFKA-1499_2014-10-27_13:13:55.patch, KAFKA-1499_2014-12-16_22:39:10.patch,
> KAFKA-1499_2014-12-26_21:37:51.patch, KAFKA-1499.patch, KAFKA-1499.patch
>
> Original Estimate: 72h
> Remaining Estimate: 72h
>
> A given topic can have messages in mixed compression codecs. i.e., it can
> also have a mix of uncompressed/compressed messages.
> It will be useful to support a broker-side configuration to recompress
> messages to a specific compression codec. i.e., all messages (for all
> topics) on the broker will be compressed to this codec. We could have
> per-topic overrides as well.
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