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From Mario Amatucci <mamatu...@gmail.com>
Subject Re:
Date Tue, 25 Aug 2015 10:03:15 GMT
play around with java vm heap setting
https://altiscale.zendesk.com/hc/en-us/articles/200801519-Configuring-Memory-for-Mappers-and-Reducers-in-Hadoop-2



*Kind Regards,*Mario Amatucci

On 27 July 2015 at 03:17, Eric <eric.khun.pro@gmail.com> wrote:

> Hi here!
>
> I tried to run a sqoop export command on Amazon EMR. I succeed running it
> on a small dataset, but with a bigger one, I get this error on the cluster:
>
> Error: java.io.IOException: org.postgresql.util.PSQLException: Tried to
> end inactive copy
>     at
> org.apache.sqoop.mapreduce.postgresql.PostgreSQLCopyExportMapper.cleanup(PostgreSQLCopyExportMapper.java:145)
>     at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:160)
>     at
> org.apache.sqoop.mapreduce.AutoProgressMapper.run(AutoProgressMapper.java:64)
>     at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:773)
>     at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
>     at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:175)
>     at java.security.AccessController.doPrivileged(Native Method)
>     at javax.security.auth.Subject.doAs(Subject.java:415)
>     at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548)
>     at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:170)
> Caused by: org.postgresql.util.PSQLException: Tried to end inactive copy
>     at
> org.postgresql.core.v3.QueryExecutorImpl.endCopy(QueryExecutorImpl.java:814)
>     at org.postgresql.core.v3.CopyInImpl.endCopy(CopyInImpl.java:59)
>     at
> org.apache.sqoop.mapreduce.postgresql.PostgreSQLCopyExportMapper.cleanup(PostgreSQLCopyExportMapper.java:142)
>     ... 9 more
>
>
> and here my command : ./sqoop export --direct --connect
> jdbc:postgresql://xxxx --username xxxx --table updates_test --export-dir
> s3://xxx  -P --fields-terminated-by ',' --enclosed-by '\"' --null-string ''
> --null-non-string ''
>
>
> I was wondering if I missed anything , or if anyone here have any clue ?
>
> Thank you so much for your help.
> Eric
>

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