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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-3867) Store relative paths in metadata file
Date Thu, 22 Jun 2017 00:44:01 GMT

    [ https://issues.apache.org/jira/browse/DRILL-3867?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16058538#comment-16058538
] 

ASF GitHub Bot commented on DRILL-3867:
---------------------------------------

Github user paul-rogers commented on a diff in the pull request:

    https://github.com/apache/drill/pull/824#discussion_r123397635
  
    --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/store/parquet/Metadata.java
---
    @@ -748,6 +771,22 @@ public ParquetTableMetadataDirs(List<String> directories) {
           return directories;
         }
     
    +    /** If directories list contains relative paths, update it to absolute ones
    --- End diff --
    
    Thanks for the explanation.


> Store relative paths in metadata file
> -------------------------------------
>
>                 Key: DRILL-3867
>                 URL: https://issues.apache.org/jira/browse/DRILL-3867
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Metadata
>    Affects Versions: 1.2.0
>            Reporter: Rahul Challapalli
>            Assignee: Vitalii Diravka
>             Fix For: Future
>
>
> git.commit.id.abbrev=cf4f745
> git.commit.time=29.09.2015 @ 23\:19\:52 UTC
> The below sequence of steps reproduces the issue
> 1. Create the cache file
> {code}
> 0: jdbc:drill:zk=10.10.103.60:5181> refresh table metadata dfs.`/drill/testdata/metadata_caching/lineitem`;
> +-------+-------------------------------------------------------------------------------------+
> |  ok   |                                       summary                             
         |
> +-------+-------------------------------------------------------------------------------------+
> | true  | Successfully updated metadata for table /drill/testdata/metadata_caching/lineitem.
 |
> +-------+-------------------------------------------------------------------------------------+
> 1 row selected (1.558 seconds)
> {code}
> 2. Move the directory
> {code}
> hadoop fs -mv /drill/testdata/metadata_caching/lineitem /drill/
> {code}
> 3. Now run a query on top of it
> {code}
> 0: jdbc:drill:zk=10.10.103.60:5181> select * from dfs.`/drill/lineitem` limit 1;
> Error: SYSTEM ERROR: FileNotFoundException: Requested file maprfs:///drill/testdata/metadata_caching/lineitem/2006/1
does not exist.
> [Error Id: b456d912-57a0-4690-a44b-140d4964903e on pssc-66.qa.lab:31010] (state=,code=0)
> {code}
> This is obvious given the fact that we are storing absolute file paths in the cache file



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