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FastJson序列化导致线程数上涨，metaspace使用率上涨，ASMClassLoader动态生成类持有锁，会导致线程阻塞？全局只有一个config为什么会元空间上涨？ #4489

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ZJD821 opened this issue Mar 21, 2024 · 0 comments
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FastJson序列化导致线程数上涨，metaspace使用率上涨，ASMClassLoader动态生成类持有锁，会导致线程阻塞？全局只有一个config为什么会元空间上涨？ #4489

ZJD821 opened this issue Mar 21, 2024 · 0 comments

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@ZJD821
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ZJD821 commented Mar 21, 2024

问题现象：单机线程数上涨、元空间使用率上涨
大量线程被block，ASMClassLoader动态生成实例化类时持有类加载器锁，导致其他线程都在获取同一个ASMClassLoader的实例，线程阻塞，导致上涨，但是全局只有一个config，为什么导致元空间上涨呢
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@ZJD821 ZJD821 changed the title FastJson序列化导致线程数上涨，metaspace使用率上涨，ASMClassLoader动态生成类持有锁，会导致线程阻塞？全局只有一个config为什么会上涨？ FastJson序列化导致线程数上涨，metaspace使用率上涨，ASMClassLoader动态生成类持有锁，会导致线程阻塞？全局只有一个config为什么会元空间上涨？ Apr 3, 2024
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