From 8c03652ba4b598d3c4ee535079f49c5141a425c7 Mon Sep 17 00:00:00 2001
From: dapan1121 <89396746@qq.com>
Date: Sat, 6 Feb 2021 11:58:03 +0800
Subject: [PATCH] fix bug

---
 src/util/src/tlog.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/util/src/tlog.c b/src/util/src/tlog.c
index a0ad93cf22..7c5301130b 100644
--- a/src/util/src/tlog.c
+++ b/src/util/src/tlog.c
@@ -659,7 +659,9 @@ static void taosWriteLog(SLogBuff *tLogBuff) {
       dbgBigWN++;
       writeInterval = MIN_LOG_INTERVAL;
     } else if (pollSize > LOG_BUF_SIZE(tLogBuff)/4) {
-      writeInterval -= LOG_INTERVAL_STEP;
+      if (writeInterval > MIN_LOG_INTERVAL) {
+        writeInterval -= LOG_INTERVAL_STEP;
+      }
     }
 
     LOG_BUF_START(tLogBuff) = (LOG_BUF_START(tLogBuff) + pollSize) % LOG_BUF_SIZE(tLogBuff);