Stack => Deque and gc unused ConfigFileFormat

1 files changed, 3 insertions, 3 deletions

diff --git a/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/task/util/file/FileFinder.java b/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/task/util/file/FileFinder.java
index ab702c85ffc..75da8d2c068 100644
--- a/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/task/util/file/FileFinder.java
+++ b/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/task/util/file/FileFinder.java
@@ -14,18 +14,18 @@ import java.nio.file.SimpleFileVisitor;
 import java.nio.file.attribute.BasicFileAttributes;
 import java.time.Duration;
 import java.time.Instant;
+import java.util.ArrayDeque;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Deque;
 import java.util.HashSet;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Set;
-import java.util.Stack;
 import java.util.function.Consumer;
 import java.util.function.Predicate;
 import java.util.logging.Logger;
 import java.util.regex.Pattern;
-import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 /**
@@ -167,7 +167,7 @@ public class FileFinder {
             // Only need to traverse as deep as we want to match, unless we want to match everything in directories
             // already matched
             Files.walkFileTree(basePath, Set.of(), maxDepth, new SimpleFileVisitor<>() {
-                private final Stack<FileAttributes> matchingDirectoryStack = new Stack<>();
+                private final Deque<FileAttributes> matchingDirectoryStack = new ArrayDeque<>();
                 private int currentLevel = -1;
 
                 @Override