From b726dc97538b7d4ba71fd06c14161017dd67c2b7 Mon Sep 17 00:00:00 2001
From: xubinbin <1323875150@qq.com>
Date: 星期三, 10 五月 2023 15:38:22 +0800
Subject: [PATCH] "@schedule"是Spring框架提供的一种定时任务执行机制，默认情况下它是单线程执行，项目中多次使用fixedRate按指定频率执行任务(不管前面任务是否已经完成)，在同时执行多个定时任务时可能会出现阻塞和性能问题，为了解决这种单线程瓶颈问题，将定时任务的执行机制改为支持多线程
---
src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceMapper.java | 5 +----
1 files changed, 1 insertions(+), 4 deletions(-)
diff --git a/src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceMapper.java b/src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceMapper.java
index 3751a24..fe739ea 100644
--- a/src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceMapper.java
+++ b/src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceMapper.java
@@ -171,9 +171,6 @@
@Delete("DELETE FROM device WHERE deviceId=#{deviceId}")
int del(String deviceId);
- @Update("UPDATE device SET online=0")
- int outlineForAll();
-
@Select("SELECT " +
"deviceId, " +
"coalesce(custom_name, name) as name, " +
@@ -258,7 +255,7 @@
"<if test=\"mediaServerId != null\">, mediaServerId=#{mediaServerId}</if>" +
"WHERE deviceId=#{deviceId}"+
" </script>"})
- int updateCustom(Device device);
+ void updateCustom(Device device);
@Insert("INSERT INTO device (" +
"deviceId, " +
--
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