> On Nov. 7, 2013, 5:57 p.m., joel koshy wrote:
> > core/src/main/scala/kafka/admin/TopicCommand.scala, line 153
> > <https://reviews.apache.org/r/15274/diff/2/?file=379572#file379572line153>
> >
> >     This convention should be fine, but personally would prefer an unconfig 
> > or del-config since people can easily make mistakes and miss the actual 
> > config value they intend to alter.

Introduced --deleteConfig in the latest patch.


> On Nov. 7, 2013, 5:57 p.m., joel koshy wrote:
> > core/src/main/scala/kafka/admin/TopicCommand.scala, line 151
> > <https://reviews.apache.org/r/15274/diff/2/?file=379572#file379572line151>
> >
> >     As part of this patch, can you change the regex to use the """ format:
> >     
> >     i.e., """\s*=\s*"""
> >     
> >     I think that's clearer in that it avoids double escapes. Also, we 
> > should probably trim the split strings.

Included the escapes change. Regarding the trim, included it but probably not 
required since the tool errors out for -

nnarkhed-mn:kafka-git-idea nnarkhed$ ./bin/kafka-topics.sh --zookeeper 
localhost:2181 --topic shutdown-test3 --alter --config "segment.ms = 180000"
Exception in thread "main" java.lang.IllegalArgumentException: requirement 
failed: Invalid topic config: all configs to be added must be in the format 
"key=val".
        at scala.Predef$.require(Predef.scala:145)
        at kafka.admin.TopicCommand$.parseTopicConfigs(TopicCommand.scala:156)
        at kafka.admin.TopicCommand$.alterTopic(TopicCommand.scala:84)
        at kafka.admin.TopicCommand$.main(TopicCommand.scala:51)
        at kafka.admin.TopicCommand.main(TopicCommand.scala)

Works for -

nnarkhed-mn:kafka-git-idea nnarkhed$ ./bin/kafka-topics.sh --zookeeper 
localhost:2181 --topic shutdown-test3 --alter --config "retention.ms=180000"
Updated config for topic "shutdown-test3".
nnarkhed-mn:kafka-git-idea nnarkhed$ ./bin/kafka-topics.sh --zookeeper 
localhost:2181 --topic shutdown-test3 --describe
shutdown-test3
        configs: retention.ms = 180000
        partitions: 2
                topic: shutdown-test3   partition: 0    leader: 0       
replicas: 0     isr: 0
                topic: shutdown-test3   partition: 1    leader: 0       
replicas: 0     isr: 0


> On Nov. 7, 2013, 5:57 p.m., joel koshy wrote:
> > core/src/main/scala/kafka/admin/AdminUtils.scala, line 225
> > <https://reviews.apache.org/r/15274/diff/2/?file=379571#file379571line225>
> >
> >     Would it be better to do validation of all configs (to be removed and 
> > altered) earlier - i.e., in parseTopicConfigs?
> >

Added it to parseTopicConfigs, but left it in changeTopicConfigs since that is 
where the zookeeper write happens.


- Neha


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On Nov. 7, 2013, 6:17 p.m., Neha Narkhede wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/15274/
> -----------------------------------------------------------
> 
> (Updated Nov. 7, 2013, 6:17 p.m.)
> 
> 
> Review request for kafka.
> 
> 
> Bugs: KAFKA-1119
>     https://issues.apache.org/jira/browse/KAFKA-1119
> 
> 
> Repository: kafka
> 
> 
> Description
> -------
> 
> Addressed Joel's review comments
> 
> 
> Add an explicit --deleteConfig option
> 
> 
> more cleanup
> 
> 
> Code cleanup
> 
> 
> Fixed bug that now allows removing all the topic overrides correctly and 
> falling back to the defaults
> 
> 
> 1. Change the --config to diff the previous configs 2. Add the ability to 
> remove per topic overrides if config is specified without a value
> 
> 
> Diffs
> -----
> 
>   core/src/main/scala/kafka/admin/AdminUtils.scala 
> 8107a64cf1ef1cac763e152bae9f835411c9d3f3 
>   core/src/main/scala/kafka/admin/TopicCommand.scala 
> 56f3177e28a34df0ace1d192aef0060cb5e235df 
>   core/src/main/scala/kafka/log/LogConfig.scala 
> 51ec796e9e6a10b76daefbd9aea02121fc1d573a 
>   core/src/main/scala/kafka/server/TopicConfigManager.scala 
> 56cae58f2a216dcba88b2656fd4a490f11461270 
> 
> Diff: https://reviews.apache.org/r/15274/diff/
> 
> 
> Testing
> -------
> 
> Locally tested - 1. Adding new config 2. Adding new invalid config 3. 
> Deleting config 4. Deleting all config overrides
> 
> 
> Thanks,
> 
> Neha Narkhede
> 
>

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