Linux性能调优内核参数的相关内容

阿里云文档 2024-10-08

使用kdumpctl工具查看内核崩溃转储的启动日志

kdump是一种为Linux内核提供崩溃转储机制的服务，旨在系统发生崩溃时捕获内存快照（vmcore）。通过该机制，用户能够在系统故障后分析内核崩溃时的状态，以确认导致崩溃的原因。当kdump服务异常时，可能导致内存快照生成失败，此时可以通过kdumpctl工具查看内核崩溃转储的启动日志，以分析kdump服务异常及未生成内存快照的原因，该工具在Alibaba Cloud Linux 3中已默认安装...

阿里云文档 2024-08-14

内核更新时无法正常加载NVIDIA GPU（Tesla）驱动

当升级GPU实例的操作系统（例如Alibaba Cloud Linux、RedHat、CentOS、Ubuntu等）内核时，可能会因为两个内核的kABI（Kernel Application Binary Interface）不一致，导致旧内核上构建的GPU（Tesla）驱动无法在新的内核上加载。内核升级后，请根据内核的kAPI（Kernel Application Programming Int...

阿里云文档 2024-08-01

Alibaba Cloud Linux 3无法切换低版本内核的解决方案

本文介绍了Alibaba Cloud Linux 3系统的ECS实例，安装了低于当前系统正在运行的内核版本后，系统未自动切换至该低版本的内核上运行的原因及解决方案。

阿里云文档 2024-07-11

Alibaba Cloud Linux 2系统的ECS实例内核日志中“integrity: Unable to open file”信息

本文为您介绍Alibaba Cloud Linux 2系统的ECS实例内核日志存在“integrity: Unable to open file”信息的原因及解决方案。

阿里云文档 2023-12-19

开启内核选项CONFIG_PARAVIRT_SPINLOCK可能导致性能问题_Alibaba Cloud Linux(Alinux)

CONFIG_PARAVIRT_SPINLOCK是Linux内核配置的一个选项，它是针对使用paravirtualization技术的虚拟化环境而设计的。在Alibaba Cloud Linux中内核选项CONFIG_PARAVIRT_SPINLOCK默认处于关闭状态。如果您不确定如何处理内核问题，请勿开启CONFIG_PARAVIRT_SPINLOCK。本文介绍开启内核选项CONFIG_PARA...

问答 2021-10-30 来自：开发者社区

请教一下linux性能调优中内核参数kernel.sched_child_runs_first意思？

问答 2021-10-30 来自：开发者社区

请教一下linux性能调优中内核参数kernel.sched_autogroup_enable意思？

问答 2021-10-30 来自：开发者社区

请教一下linux性能调优中内核参数kernel.real-root-dev意思？

问答 2021-10-30 来自：开发者社区

请教一下linux性能调优中内核参数kernel.randomize_va_space意思？

问答 2021-10-30 来自：开发者社区

请教一下linux性能调优中内核参数kernel.random.write_wakeup_thres

kernel.random.write_wakeup_threshold内核参数什么意思？？

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更新时间 2024-01-30 04:29:35

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