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https://issues.apache.org/jira/browse/TRAFODION-2146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15412607#comment-15412607
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ASF GitHub Bot commented on TRAFODION-2146:
-------------------------------------------
Github user DaveBirdsall commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/647#discussion_r73970664
--- Diff: core/sql/generator/GenResources.cpp ---
@@ -97,92 +77,74 @@ static ExScratchDiskDrive * genScratchDriveList(const
NAString &def,
LIST(ExScratchDiskDrive *) tempList;
CollHeap *heap = generator->wHeap();
Space *space = generator->getSpace();
+ struct stat st;
+
+
+ Lng32 nodeNum;
+ char *token = new(heap) char[PATH_MAX];
--- End diff --
Do you want PATH_MAX+1 to allow for a trailing null?
> Use of CQD to set scratch directory locations
> ---------------------------------------------
>
> Key: TRAFODION-2146
> URL: https://issues.apache.org/jira/browse/TRAFODION-2146
> Project: Apache Trafodion
> Issue Type: Improvement
> Components: foundation, sql-exe
> Reporter: Sandhya Sundaresan
> Assignee: Sandhya Sundaresan
>
> Allow a CQD specification to override the env settings for STFS locations.
> Currently the scratch directory locations and set at installtion time . The
> STFS layer that manages the scratch file creation reads the envvar in ms.env
> to determine where to create the scratch files.
> Now we allow a CQD to be specified that will override the envvar setting. If
> the CQD is not set (empty) , the envvar setting will work. This will give the
> user some flexibility to change scratch directory locations. The requirement
> is that the directoryies MUST exists on every node and that Trafodion user
> will need permissions to write to those directories. If not an error will be
> returned when a query invliving sort/hash overflow is executed. .
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