Iperf/Iperf3is a powerful tool for measuring network throughput over protocols such as TCP, UDP, and SCTP. It is primarily built to help in tuning TCP connections over a particular path, thus useful for testing and monitoring the maximum achievable bandwidth on IP networks (supports both IPv4 ...
cdrom initctl net snapshot tty20 tty39 tty57 ttyS16 ttyS6 vcsa4 cdrw input network_latency snd tty21 tty4 tty58 ttyS17 ttyS7 vcsa5 char kmsg network_throughput sr0 tty22 tty40 tty59 ttyS18 ttyS8 vcsa6 console lightnvm null stderr tty23 tty41 tty6 ttyS19 ttyS9 vcsa7 core log por...
8. Observium – Network Management and Monitoring Observiumis also a network monitoring tool, it was designed to help you manage your network of servers easily, there are 2 versions of it; Community Edition which is free and open-source, and the Commercial version which costs £1,000/year....
7.326.1. source_network_name 7.326.2. source_network_profile_name 7.326.3. target_vnic_profile 7.327. VolumeGroup struct 7.328. Watchdog struct Watchdog struct 7.328.1. model 7.328.2. vms 7.329. WatchdogAction enum WatchdogAction enum 7.329.1. none 7.330. WatchdogModel enum Watchdog...
github.io]-[~]└─$ cd /usr/lib/tuned/;ls ## 调优参数 balanced latency-performance powersave virtual-guest desktop network-latency recommend.conf virtual-host functions network-throughput throughput-performance ┌──[root@liruilongs.github.io]-[/usr/lib/tuned]└─$ cd virtual-guest/┌──[...
- network-throughput - Optimizeforstreaming network throughput, generally only necessary on older CPUs or 40G+ networks - oracle - OptimizeforOracle RDBMS - powersave - Optimizeforlow power consumption - throughput-performance - Broadly applicable tuning that provides excellent performance across a variet...
HostUnusualNetworkThroughputIn expr: sum by (instance) (rate(node_network_receive_bytes_total[2m])) / 1024 / 1024 > 100 for: 5m labels: severity: warning annotations: summary: Host unusual network throughput in (instance {{ $labels.instance }}) description: "Host network interfaces are proba...
Network tools References Introduction Sometimes people are looking forsysctlcargo cult values that bring high throughput and low latency with no trade-off and that works on every occasion. That's not realistic, although we can say that thenewer kernel versions are very well tuned by default. In...
1.build kernel之时的各个configuration选项。 2.当kernel启动之时,可以参数在kernel被GRUB或LILO等启动程序调用之时传递给kernel。 3.在kernel运行时,修改/proc或/sys目录下的文件。 这里我简单讲的就是第二种方式了,kernel在grub中配置的启动参数。 首先,kernel有哪些参数呢? 在linux的源代码中,有这样的一个文档...
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