Jerry Liu

In ```UCX PR(io_demo Test tag match on CX4)```, [the log](https://dev.azure.com/ucfconsort/0b36e3f0-8ab9-4a48-b68b-4b2350e02c88/_apis/build/builds/47457/logs/455) shows it's related with this PR ``` 2022-07-14T06:22:22.7512823Z swx-rain01: [1657779742.748449] [DEMO] read 1049.05 MBs min:8372(2.1.5.2:53090) max:8372 total:8372 | write 1058.05...

@yosefe Please help review this PR.

@yosefe Please help review this PR.

@yosefe Please help review this PR when you're available.

@bernardshen > >This happens a lot as I tested with libibverbs. > Do you have example code based on libverbs to show it really happens?

@hoopoepg For the ```flush``` in the PR title, does it mean the new verbs operation semantic ```flush```? e.g. https://tools.ietf.org/id/draft-talpey-rdma-commit-01.html#rfc.section.2.4

> @changchengx i believe this PR does not release some IB resources which causes other tests on this machine failed on ALLOC_UAR this test allocated too many UAR regions: I've...

@HassanKhadour It's still WIP. Please do not not merge this PR until removing "WIP"

@yosefe > Is it relevant for RC QP as well? Or we have to set tx port affinity for it anyway? > In ```lag hash mode```(it'll be default lag mode...

I'm fixing all the comments. I'm going to update them after passing the CI check rules.