From 191f65fa68303278f10c56e2e996522b25a00998 Mon Sep 17 00:00:00 2001
From: Yang Wang <yang.wang@elastic.co>
Date: Wed, 27 Sep 2023 19:08:21 +1000
Subject: [PATCH] [Test] Ensure correct initial datasetSize estimation (#99896)

This PR accounts for the extra file created by ExtraFS for initial
dataset size estimation.

Resolves: #99762
---
 .../src/test/java/org/elasticsearch/index/store/StoreTests.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/src/test/java/org/elasticsearch/index/store/StoreTests.java b/server/src/test/java/org/elasticsearch/index/store/StoreTests.java
index 2f1bdfd82c1c1..1c6314d60673d 100644
--- a/server/src/test/java/org/elasticsearch/index/store/StoreTests.java
+++ b/server/src/test/java/org/elasticsearch/index/store/StoreTests.java
@@ -815,7 +815,7 @@ public void testStoreSizes() throws IOException {
         // directory that returns total written bytes as the data set size
         final var directory = new ByteSizeDirectory(StoreTests.newDirectory(random())) {
 
-            final AtomicLong dataSetBytes = new AtomicLong(0L);
+            final AtomicLong dataSetBytes = new AtomicLong(estimateSizeInBytes(getDelegate()));
 
             @Override
             public long estimateSizeInBytes() throws IOException {