hbase-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1829) Make use of start/stop row in TableInputFormat
Date Wed, 16 Sep 2009 22:57:57 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1829?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12756273#action_12756273
] 

stack commented on HBASE-1829:
------------------------------

Or, rather, I got this when I tried the patch (RowCounter on a table loaded up with PE):

{code}
09/09/16 15:56:23 INFO zookeeper.ClientCnxn: Server connection successful
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: -1
	at org.apache.hadoop.hbase.KeyValue$KeyComparator.compare(KeyValue.java:1722)
	at org.apache.hadoop.hbase.KeyValue$KeyComparator.compare(KeyValue.java:1758)
	at org.apache.hadoop.hbase.mapreduce.TableInputFormatBase.getSplits(TableInputFormatBase.java:296)
	at org.apache.hadoop.mapred.JobClient.writeNewSplits(JobClient.java:885)
	at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:779)
	at org.apache.hadoop.mapreduce.Job.submit(Job.java:432)
	at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:447)
	at org.apache.hadoop.hbase.mapreduce.RowCounter.main(RowCounter.java:125)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)
	at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139)
	at org.apache.hadoop.hbase.mapreduce.Driver.main(Driver.java:41)

{code}

> Make use of start/stop row in TableInputFormat
> ----------------------------------------------
>
>                 Key: HBASE-1829
>                 URL: https://issues.apache.org/jira/browse/HBASE-1829
>             Project: Hadoop HBase
>          Issue Type: Improvement
>          Components: mapred
>    Affects Versions: 0.20.0
>            Reporter: Lars George
>            Assignee: Lars George
>            Priority: Minor
>             Fix For: 0.20.1
>
>         Attachments: HBASE-1829.patch
>
>
> Since we can now specify a start and stop row with the Scan that is handed to the TIF
we can reduce the splits to the regions that contain these rows. That allows to test large
MR jobs on a single region for example.

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.


Mime
View raw message