From b38052acf334de06fefe81cf9512f905007e897b Mon Sep 17 00:00:00 2001
From: Jan-Erik Rediger <jrediger@mozilla.com>
Date: Fri, 15 Aug 2025 15:38:16 +0200
Subject: [PATCH] Sync event databases on persist_ping_lifetime_data

---
 glean-core/src/core/mod.rs           | 2 ++
 glean-core/src/event_database/mod.rs | 9 +++++++++
 2 files changed, 11 insertions(+)

diff --git a/glean-core/src/core/mod.rs b/glean-core/src/core/mod.rs
index 1d1a1e22f3..bcc96e162e 100644
--- a/glean-core/src/core/mod.rs
+++ b/glean-core/src/core/mod.rs
@@ -881,6 +881,8 @@ impl Glean {
             return data.persist_ping_lifetime_data();
         }
 
+        self.event_storage().sync_event_data();
+
         Ok(())
     }
 
diff --git a/glean-core/src/event_database/mod.rs b/glean-core/src/event_database/mod.rs
index 50344dc86c..4760d9fa9d 100644
--- a/glean-core/src/event_database/mod.rs
+++ b/glean-core/src/event_database/mod.rs
@@ -641,6 +641,15 @@ impl EventDatabase {
         result
     }
 
+    pub fn sync_event_data(&self) {
+        let files = self.event_store_files.read().unwrap();
+        for (name, file) in &*files {
+            if let Err(e) = file.sync_all() {
+                log::error!("Failed to sync event data for {name}: {e}");
+            }
+        }
+    }
+
     /// Clears all stored events, both in memory and on-disk.
     pub fn clear_all(&self) -> Result<()> {
         // safe unwrap, only error case is poisoning