Github user sudheeshkatkam commented on a diff in the pull request:
https://github.com/apache/drill/pull/639#discussion_r86074128
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/store/parquet/ParquetGroupScan.java
---
@@ -822,10 +838,103 @@ private void getFiles(String path, List<FileStatus>
fileStatuses) throws IOExcep
}
}
+ /*
+ * Figure out the best node to scan each of the rowGroups and update the
preferredEndpoint.
+ * Based on this, update the total work units assigned to the endpoint
in the endpointAffinity.
+ */
+ private void computeRowGroupAssignment() {
+ Map<DrillbitEndpoint, Integer> numEndpointAssignments =
Maps.newHashMap();
+ Map<DrillbitEndpoint, Long> numAssignedBytes = Maps.newHashMap();
+
+ // Do this for 2 iterations to adjust node assignments after first
iteration.
+ int numIterartions = 2;
--- End diff --
Iterartions -> iterations
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