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https://issues.apache.org/jira/browse/TRAFODION-1885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15197969#comment-15197969
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ASF GitHub Bot commented on TRAFODION-1885:
-------------------------------------------
Github user DaveBirdsall commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/385#discussion_r56398777
--- Diff: core/sqf/monitor/linux/pnode.cxx ---
@@ -1528,6 +1528,14 @@ void CNodeContainer::AddNodes( )
int pnid;
int rank;
int *sparePNids = NULL;
+
+ // only relevant on a workstation acting as a single node
+ const char* envVar = getenv("SQ_MAX_RANK");
+ int maxNode;
+ if (envVar != NULL)
+ maxNode = atoi (envVar);
--- End diff --
Again, I suppose SQ_MAX_RANK is a debugging tool, so we don't bother
checking for non-numeric inputs such as might happen with "export
SQ_MAX_RANK=ON" (where atoi would return 0 I think).
> Online node expansion
> ---------------------
>
> Key: TRAFODION-1885
> URL: https://issues.apache.org/jira/browse/TRAFODION-1885
> Project: Apache Trafodion
> Issue Type: Improvement
> Components: foundation
> Reporter: Trina Krug
> Assignee: Trina Krug
>
> Need the ability to add nodes without an outage.
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