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Hello! We’re running liburing master (as of e98b974502d) on Linux 5.4.17 and are running into some odd and possibly unexpected behavior. We noticed while using io_uring_wait_cqe_timeout() that occasio…
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"由于内置动态内存分配,基于协程的异步框架可能不是性能的最优解,如果你正处于类似 30ns 延迟的极端性能场景,且不在乎编程复杂度,推荐关注 sender/receiver model,而无需尝试协程”, 老师,我目前的场景就是极致的最求性能,那么这个 sender/receiver model应该是怎么玩呢?有没有对应的事例呢。谢谢
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## CVE-2023-1032 - Medium Severity Vulnerability
Vulnerable Library - linuxlinux-4.4.302
The Linux Kernel
Library home page: https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/?wsslib=linux
Fou…
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I can not create ublk device with qcow2,
```
# qemu-img create -f qcow2 ublk_qcow2.qcow2 10G
Formatting 'ublk_qcow2.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size…
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## CVE-2023-1032 - Medium Severity Vulnerability
Vulnerable Library - linuxlinux-4.6
The Linux Kernel
Library home page: https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/?wsslib=linux
Found in…
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**Is your feature request related to a problem? Please describe.**
We build a high concurrent service to replace nginx. In high concurrent area, one acceptor thread is not enough when there are many …
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On systems with slow disks it's possible that block device queue will fill up and `io_submit` will block inside `get_request` blocking the reactor thread. This manifests itself with high iowait time.
…
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At cmake toolchain, users are have to link ws2_32 or uring.
- [x] https://github.com/microsoft/vcpkg/pull/40566
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see
> need to set DefaultLimitMEMLOCK=512M in /etc/systemd/{system,user}.conf
> on arch it's set to 1MB by default LOL
https://discord.com/channels/1222556172385783890/1234250426933710998
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Shouldn't we add tracing to the code?
For me it would definitely help to get a better overview of which code paths gets executed. Eg. I'm super curious to see the ratio of synchronous completions.…