From c07beadb99faeffc661bb516c6181f8e61e5918a Mon Sep 17 00:00:00 2001
From: Nick Ginther <nickginther@fullstory.com>
Date: Mon, 16 Sep 2024 11:25:37 -0500
Subject: [PATCH] remove extant sizes

---
 .../src/java/org/apache/solr/storage/SizeAwareDirectory.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/solr/core/src/java/org/apache/solr/storage/SizeAwareDirectory.java b/solr/core/src/java/org/apache/solr/storage/SizeAwareDirectory.java
index 5dbf84e9abc..180d142534e 100644
--- a/solr/core/src/java/org/apache/solr/storage/SizeAwareDirectory.java
+++ b/solr/core/src/java/org/apache/solr/storage/SizeAwareDirectory.java
@@ -76,6 +76,9 @@ private static class FileSizeMap implements Accountable {
 
     public Sizes add(String name, Sizes sizes) {
       Sizes extant = fileSizeMap.put(name, sizes);
+      if (extant != null) {
+        onDiskSize.add(-extant.onDiskSize);
+      }
       onDiskSize.add(sizes.onDiskSize);
       return extant;
     }
@@ -96,7 +99,7 @@ public Sizes get(String key) {
       return fileSizeMap.get(key);
     }
 
-    public long size() {
+    public int size() {
       return fileSizeMap.size();
     }