[GitHub] [incubator-brpc] rpbear88 opened a new issue #1446: 使用RDMA之后内存一直上涨？

Wed, 23 Jun 2021 04:47:21 -0700 


rpbear88 opened a new issue #1446:
URL: https://github.com/apache/incubator-brpc/issues/1446


   和大家分享一个我们观察到的内存上涨的问题(目前已经解决)。我们在开启RDMA功能后，进程的内存会一直上涨，过一段时间后就会出现如下的日志信息：
   
   
![image](https://user-images.githubusercontent.com/61613299/123090930-51895800-d45b-11eb-8a9d-7e38cf88b87d.png)
   
   看了下代码加测试，发现是因为RDMA实现中使用的block pool的region个数达到上限(4个)了，这说明这个block 
pool可能存在内存泄漏。反复走读了代码没有发现问题，从socket中收取数据时会从block 
pool获取内存空间，在controller释放时会回收空间放回block pool，看起来没有问题。
   
   所以内存是怎么泄露的呢？
   
   


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