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/PlatformGbStreamMapper.java | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/src/main/java/com/genersoft/iot/vmp/storager/dao/PlatformGbStreamMapper.java b/src/main/java/com/genersoft/iot/vmp/storager/dao/PlatformGbStreamMapper.java
index 13094b9..91a4a5f 100644
--- a/src/main/java/com/genersoft/iot/vmp/storager/dao/PlatformGbStreamMapper.java
+++ b/src/main/java/com/genersoft/iot/vmp/storager/dao/PlatformGbStreamMapper.java
@@ -26,7 +26,7 @@
"(gbStreamId, platformId, catalogId) " +
"values " +
"<foreach collection='streamPushItems' index='index' item='item' separator=','> " +
- "(${item.gbStreamId}, '${item.platformId}', '${item.catalogId}')" +
+ "(#{item.gbStreamId}, #{item.platformId}, #{item.catalogId})" +
"</foreach> " +
"</script>")
int batchAdd(List<StreamPushItem> streamPushItems);
--
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