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https://issues.apache.org/jira/browse/CHUKWA-278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12717743#action_12717743
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Jerome Boulon commented on CHUKWA-278:
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-1
Could you use standard JDBC to get metadata information, MetricDataLoader
should be compatible with all database vendor. This will simplify the testing
side (could use Derby instead of Mysql) and open some new opportunities like
Oracle support for example.
- things like "String query = "select * from " + table + "_template limit 1" "
prevent usage of any other database vendor.
> Improve post process manager and metric data loader to support data loading
> from pig aggregation
> ------------------------------------------------------------------------------------------------
>
> Key: CHUKWA-278
> URL: https://issues.apache.org/jira/browse/CHUKWA-278
> Project: Hadoop Chukwa
> Issue Type: Improvement
> Components: Data Processors
> Environment: Redhat EL 5.1, Java 6
> Reporter: Eric Yang
> Assignee: Eric Yang
> Fix For: 0.2.0
>
> Attachments: CHUKWA-278-1.patch, CHUKWA-278.patch
>
>
> The current post process manager loads sequence file to database only.
> Ideally, the post process manager should be able to load data into different
> data loader. Hence, DataLoaderFactory should be defined as an interface or
> abstract class for third party to implement their own data loader. The
> current implementation of pig aggregator generates down sampled data as
> different record type. There should be a new capability for Metric Data
> Loader to identify table partition base on record type.
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