Github user vdiravka commented on a diff in the pull request:
https://github.com/apache/drill/pull/454#discussion_r61274467
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/xsort/ExternalSortBatch.java
---
@@ -116,6 +119,7 @@
private boolean first = true;
private int targetRecordCount;
private final String fileName;
+ private Set<Path> currSpillDirs = new TreeSet<>();
--- End diff --
Agree with replacement to Guava but not sure with list. If we use list we
will have the same number of paths in collection as number of temporary files.
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