From 1b25419549015f57b64e8441983fef338158ecfc Mon Sep 17 00:00:00 2001
From: gofish2020 <yu_shaona@163.com>
Date: Sat, 2 Dec 2023 00:04:34 +0800
Subject: [PATCH] fix#137

---
 db.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/db.go b/db.go
index 682e8eee..964b6d3b 100644
--- a/db.go
+++ b/db.go
@@ -309,6 +309,12 @@ func (db *DB) waitMemtableSpace() error {
 		return nil
 	}
 
+	db.mu.Lock()
+	defer db.mu.Unlock()
+	if !db.activeMem.isFull() {
+		return nil
+	}
+
 	timer := time.NewTimer(db.options.WaitMemSpaceTimeout)
 	defer timer.Stop()
 	select {