Merge pull request #1708 from Expensify/tyler-commit-lock-wait-log

Add log line for commit lock acquisition over 5s
Expensify · May 3, 2024 · 875ad14 · 875ad14
2 parents b112696 + ec33404
commit 875ad14
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/sqlitecluster/SQLite.cpp b/sqlitecluster/SQLite.cpp
@@ -606,7 +606,12 @@ bool SQLite::prepare(uint64_t* transactionID, string* transactionhash) {
 
     // We lock this here, so that we can guarantee the order in which commits show up in the database.
     if (!_mutexLocked) {
+        auto start = STimeNow();
         _sharedData.commitLock.lock();
+        auto end = STimeNow();
+        if (end - start > 5'000'000) {
+            SINFO("Waited " << (end - start) << "us for commit lock.");
+        }
         _sharedData._commitLockTimer.start("SHARED");
         _mutexLocked = true;
     }