From 8db4b29b1c6613922f78e562f9e08a326f299769 Mon Sep 17 00:00:00 2001
From: Ashish Singh <ssashish@amazon.com>
Date: Fri, 8 Mar 2024 13:48:11 +0530
Subject: [PATCH] [Remote Store] Add check for byte lag in time lag calculation

Signed-off-by: Ashish Singh <ssashish@amazon.com>
---
 .../opensearch/index/remote/RemoteSegmentTransferTracker.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/src/main/java/org/opensearch/index/remote/RemoteSegmentTransferTracker.java b/server/src/main/java/org/opensearch/index/remote/RemoteSegmentTransferTracker.java
index 92436a09a4e7e..f1843ea3eef38 100644
--- a/server/src/main/java/org/opensearch/index/remote/RemoteSegmentTransferTracker.java
+++ b/server/src/main/java/org/opensearch/index/remote/RemoteSegmentTransferTracker.java
@@ -260,7 +260,7 @@ public long getRefreshSeqNoLag() {
     }
 
     public long getTimeMsLag() {
-        if (remoteRefreshTimeMs == localRefreshTimeMs) {
+        if (remoteRefreshTimeMs == localRefreshTimeMs || bytesLag == 0) {
             return 0;
         }
         return currentTimeMsUsingSystemNanos() - remoteRefreshStartTimeMs;