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[wip] 使用byte-buddy重构agent增强功能,支持重新增强已经加载过的类 #324

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@zfyq124 zfyq124 commented Nov 3, 2021

移除javaassit使用byte-buddy重构agent增强的功能 fix issue 226 支持重新增强已经加载过的类

只实现了基础线程的增强,扩展机制的增强与vertx还是开发中。请先review下关于线程池与ForkJoinTask的增强有没有错误

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oldratlee commented Nov 4, 2021

考虑TTL agent的使用方式,

  • jar要独立自包含,即一个jar文件;期望将字节码库shade进来并repackage(防止类冲突/不兼容)
  • 期望jar文件比较小

使用byte-buddy 需要看看这些

支持重新增强已经加载过的类

这个是大家提到多次的需求 👍 @zfyq124

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zfyq124 commented Nov 4, 2021

考虑TTL agent的使用方式,

  • jar要独立自包含,即一个jar文件;期望将字节码库shade进来并repackage(防止类冲突/不兼容)

这个已经参考之前javassit方式处理了

  • 期望jar文件比较小

byte-buddy 本身就比较大(大约有3M)会造成新的ttl的交付jar由不足1M增长到4M左右。这个目前我还没有太好的处理方案

使用byte-buddy 需要看看这些

支持重新增强已经加载过的类

这个是大家提到多次的需求 👍 @zfyq124

由于jvm本身的限制我使用包装重写了之前ForkJoinTask的增强方案,这个需要重点关注下

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