一次 JuiceFS NFS object storage 的空指针排查：先拆开错误处理缺陷，再确认 NFSv3 MOUNT、RPC 错误和 NFSv4 协议边界。
在 8×BW1100 上用 Profiler 分析 DeepSeek-V3.2
最近在 8 张 BW1100 上跑 DeepSeek-V3.2 W8A8，顺手做了一次 Profiler 分析练习。
这篇文章记录低并发 Decode、16K Prefill 和高并发 Decode 下的 kernel 时间分布，以及从这些数据里能看到什么、暂时还不能说明什么。
XFS 报错但根因不在 XFS：一次 uprobe 越界写排查
一周内，两台配置相近的 Linux 虚拟机先后出现业务无响应。控制台最后的关键日志来自 XFS：文件系统发现 inode 元数据损坏，随后主动执行 forced shutdown。
Linux guest could not access tsc clocksource
check TSC disabled from guest
The disk in the guest OS is unmounted during the kernel startup process.
Phenomenon: When creating a new virtual machine, after the virtual machine enters the “running” state (libvirt reports running, and the qemu process starts), a disk is loaded. D...
Understanding CPU Topology for Improved Performance
The physical layout of CPU cores in a system is known as CPU topology. Understanding CPU topology can significantly impact the performance of a system, as it determines the effe...