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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (CHUKWA-324) MetricsDataLoader should handle chukwa record with 0 matched fields
Date Mon, 22 Jun 2009 18:00:16 GMT

     [ https://issues.apache.org/jira/browse/CHUKWA-324?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eric Yang updated CHUKWA-324:
-----------------------------

    Attachment: CHUKWA-324.patch

- Added detection for 0 fields matched condition.
- Fixed a bug where metric.record_type.field case sensitivity had a mix match.

> MetricsDataLoader should handle chukwa record with 0 matched fields
> -------------------------------------------------------------------
>
>                 Key: CHUKWA-324
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-324
>             Project: Hadoop Chukwa
>          Issue Type: Improvement
>          Components: Data Processors
>    Affects Versions: 0.2.0
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>            Priority: Critical
>             Fix For: 0.2.0
>
>         Attachments: CHUKWA-324.patch
>
>
> As seen from postProcess.log:
> 2009-06-22 12:01:17,946 TRACE pool-1-thread-2 MetricDataLoader - INSERT INTO mr_job_2059_week
SET  ON DUPLICATE KEY
> UPDATE ;
> 2009-06-22 12:01:25,957 ERROR pool-1-thread-2 MetricDataLoader - java.sql.BatchUpdateException:
You have an error in
> your SQL syntax; check the manual that corresponds to your MySQL server version for the
right syntax to use near 'ON
> DUPLICATE KEY UPDATE' at line 1
> java.sql.BatchUpdateException: You have an error in your SQL syntax; check the manual
that corresponds to your MySQL
> server version for the right syntax to use near 'ON DUPLICATE KEY UPDATE' at line 1
>         at com.mysql.jdbc.StatementImpl.executeBatch(StatementImpl.java:1007)
>         at org.apache.hadoop.chukwa.dataloader.MetricDataLoader.run(MetricDataLoader.java:484)
>         at org.apache.hadoop.chukwa.dataloader.MetricDataLoader.call(MetricDataLoader.java:561)
>         at org.apache.hadoop.chukwa.dataloader.MetricDataLoader.call(MetricDataLoader.java:50)
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:138)
>         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:138)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>         at java.lang.Thread.run(Thread.java:619)
> 2009-06-22 12:01:25,957 ERROR pool-1-thread-2 MetricDataLoader - SQLException: You have
an error in your SQL syntax;
> check the manual that corresponds to your MySQL server version for the right syntax to
use near 'ON DUPLICATE KEY
> UPDATE' at line 1
> In this case, MDL should skip the record.

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