[
https://issues.apache.org/jira/browse/CHUKWA-564?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12970363#action_12970363
]
Eric Yang commented on CHUKWA-564:
----------------------------------
Chukwa use case:
SystemMetrics adaptor is emitting SystemMetrics data type. SystemMetrics data
processor is writing data to SystemMetrics table, column family: cpu, disk,
memory.
This is currently possible by using reducer type as grouping for cpu, disk
memory.
I disagree on data routing decouple from the processor for two reason.
1. Indirection mapping configuration is difficult to maintain on distributed
system.
2. Add extra overhead to the processor for lookup data routing.
The use case is not writing the same data to different column family, but split
subtype data into different column family.
> HBase output collector uses incorrect column family
> ---------------------------------------------------
>
> Key: CHUKWA-564
> URL: https://issues.apache.org/jira/browse/CHUKWA-564
> Project: Chukwa
> Issue Type: Bug
> Reporter: Bill Graham
> Fix For: 0.5.0
>
>
> The HBase {{OutputCollector}} does this to obtain the column family from the
> data type:
> {noformat}
> cf = key.getReduceType().getBytes();
> {noformat}
> The column family should instead be taken by the {[email protected]}}
> annotation on the processor.
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
