Re: metaData match only once

[XiaoYu]

hi,

its good job, i already merged in to master.

thanks for you contribution~

邪龙(dragon-zhang) <1936978...@qq.com.invalid> 于2022年4月14日周四 23:30写道：
>
> Sorry,&nbsp;in fact, 
> `org.apache.shenyu.common.concurrent.MemoryLimitCalculator` is used, not 
> `MemoryLimiter`.
>
>
>
>
>
> ------------------&nbsp;原始邮件&nbsp;------------------
> 发件人:                                                                          
>                                               "邪龙(dragon-zhang)"              
>                                                                       
> <1936978...@qq.com&gt;;
> 发送时间:&nbsp;2022年4月14日(星期四) 晚上11:05
> 收件人:&nbsp;"dev"<dev@shenyu.apache.org&gt;;
>
> 主题:&nbsp;metaData match only once
>
>
>
> Hello community:
>
> According to ISSUE[1], the more metadata, the slower the matching speed.
>
>
>
> The solution of this PR[2] is to add a LRU cache to make the same URL match 
> only once.
>
>
> This LRU cache uses `MemoryLimiter` to solve the memory problem: when the 
> available memory of the JVM is less than a certain value, the cleanup action 
> will be triggered.
>
>
>
> If you are free, please see the PR[2] and help this PR[2] to solve the 
> problem better.
>
> Looking forward to your reply.
>
> [1] https://github.com/apache/incubator-shenyu/issues/3177
> [2] https://github.com/apache/incubator-shenyu/pull/3245