[
https://issues.apache.org/jira/browse/TAJO-1952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15201027#comment-15201027
]
Tajo QA commented on TAJO-1952:
-------------------------------
{color:red}*-1 overall.*{color} Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12780492/TAJO-1952_2.patch
against master revision release-0.9.0-rc0-673-gdbaf972.
{color:red}-1 patch.{color} The patch command could not apply the patch.
{color:red}-1 patch.{color} The patch command could not apply the patch.
Console output: https://builds.apache.org/job/PreCommit-TAJO-Build/904//console
This message is automatically generated.
> Implement PartitionFileFragment
> -------------------------------
>
> Key: TAJO-1952
> URL: https://issues.apache.org/jira/browse/TAJO-1952
> Project: Tajo
> Issue Type: Sub-task
> Components: Planner/Optimizer, Storage
> Reporter: Jaehwa Jung
> Assignee: Jaehwa Jung
> Fix For: 0.12.0
>
> Attachments: TAJO-1952.patch, TAJO-1952_2.patch
>
>
> Currently, PartitionedTableScanNode contains the list of partitions and it
> seems to me that the list has some problems as following:
> 1. Duplicate Informs: Task contains Fragment which specify target directory
> or target file for scanning. A path of partition lists already would write to
> Fragment.
> 2. Network Resource: When scanning lost of partition, it will occupy network
> resource, for example, several hundred kilobytes or more. It looks like an
> unnecessary resource because Fragment already has the path of partitions.
> I want to improve above problems by implementing new Fragment called
> PartitionedFileFragment. Currently, I'm planning the implementation as
> following:
> * PartitionedFileFragment will borrow FileFragment and it contains the
> partition path and the partition key values.
> * Remove the path array of partitions from PartitionedTableScanNode.
> * Implement a method for getting filtered partition directories in
> FileTableSpace.
> * Implement a method for making PartitionedFileFragment array.
> * Before making splits, call above method and use it for making splits.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
