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Posted to issues@quickstep.apache.org by "Zuyu Zhang (JIRA)" <ji...@apache.org> on 2017/08/28 19:07:00 UTC

[jira] [Closed] (QUICKSTEP-74) TextScanWorkOrder executed against HDFS

     [ https://issues.apache.org/jira/browse/QUICKSTEP-74?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zuyu Zhang closed QUICKSTEP-74.
-------------------------------

> TextScanWorkOrder executed against HDFS
> ---------------------------------------
>
>                 Key: QUICKSTEP-74
>                 URL: https://issues.apache.org/jira/browse/QUICKSTEP-74
>             Project: Apache Quickstep
>          Issue Type: Improvement
>          Components: Relational Operators
>            Reporter: Zuyu Zhang
>            Assignee: Zuyu Zhang
>
> Currently, TextScanWorkOrder uses C library APIs to process a file for bulk loading.
> In the distributed version, we may store Quickstep blocks in HDFS. Note that data exchanger could not pull a remote block if it is not loaded in the memory of a peer node. Thus, we still need HDFS as the ground truth, and bulk loaded blocks need to store in HDFS.



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