From 3467dba54c4739c32ff5f615845ff32883990c21 Mon Sep 17 00:00:00 2001
From: HaoranYi <haoran.yi@gmail.com>
Date: Fri, 19 Apr 2024 16:10:27 -0500
Subject: [PATCH] metrics/check for empty points submission before calling
 writer.write (#842)

check for empty points submission before calling writer.write

Co-authored-by: HaoranYi <haoran.yi@solana.com>
---
 metrics/src/metrics.rs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/metrics/src/metrics.rs b/metrics/src/metrics.rs
index 20622974c79319..dc40696757ec89 100644
--- a/metrics/src/metrics.rs
+++ b/metrics/src/metrics.rs
@@ -271,14 +271,18 @@ impl MetricsAgent {
         let now = Instant::now();
         let secs_since_last_write = now.duration_since(last_write_time).as_secs();
 
-        writer.write(Self::combine_points(
+        let combined_points = Self::combine_points(
             max_points,
             max_points_per_sec,
             secs_since_last_write,
             points_buffered,
             points,
             counters,
-        ));
+        );
+
+        if !combined_points.is_empty() {
+            writer.write(combined_points);
+        }
 
         now
     }