addValue -> set for gauge metric.

1 files changed, 1 insertions, 1 deletions

diff --git a/storage/src/vespa/storage/storageserver/mergethrottler.cpp b/storage/src/vespa/storage/storageserver/mergethrottler.cpp
index 6c3f0ac6fb1..a9bd7ade270 100644
--- a/storage/src/vespa/storage/storageserver/mergethrottler.cpp
+++ b/storage/src/vespa/storage/storageserver/mergethrottler.cpp
@@ -416,7 +416,7 @@ MergeThrottler::enqueueMerge(
     if (!validateNewMerge(mergeCmd, nodeSeq, msgGuard)) {
         return;
     }
-    _metrics->queueSize.addValue(_queue.size());
+    _metrics->queueSize.set(_queue.size());
     _queue.insert(MergePriorityQueue::value_type(msg, _queueSequence++));
 }