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ByteDance SYS Tech
ByteDance SYS Tech
Nov 1, 2022 · Operations

How eBPF Can Cut Container Network Latency by Up to 82%

Using eBPF to bypass traditional bridge, netfilter, and routing steps, this article demonstrates how container network packet forwarding can be accelerated, reducing receive and transmit latency by around 40‑82%, with detailed perf‑ftrace analysis, code examples, and performance comparisons of three forwarding modes.

Container NetworkingLinux KerneleBPF
0 likes · 14 min read
How eBPF Can Cut Container Network Latency by Up to 82%
Tencent Architect
Tencent Architect
Sep 14, 2021 · Cloud Native

How TencentOS “Ruyi” Achieves Network QoS for Mixed Online/Offline Workloads

This article explains TencentOS “Ruyi” network QoS, detailing its resource isolation concepts, tc+htb and cgroup configurations, performance testing, and the advantages of the Ruyi netqos scheme over traditional tc solutions for mixed online and offline container workloads.

Cloud NativeContainerResource Isolation
0 likes · 10 min read
How TencentOS “Ruyi” Achieves Network QoS for Mixed Online/Offline Workloads
Aikesheng Open Source Community
Aikesheng Open Source Community
Mar 19, 2021 · Databases

Performance Evaluation of DTLE under Varying Network Latency and Bandwidth Conditions

This article presents a systematic performance test of the DTLE data replication tool, using sysbench, tc, and iperf3 to simulate different network latency and bandwidth scenarios, and compares DTLE's replication delay and bandwidth usage against native MySQL replication across three test cases.

BandwidthDTLEdatabase replication
0 likes · 7 min read
Performance Evaluation of DTLE under Varying Network Latency and Bandwidth Conditions
Efficient Ops
Efficient Ops
Jun 21, 2020 · Operations

How to Simulate Real-World Network Conditions with Linux Netem and tc

This guide explains how to use Linux's Netem module via the tc command to emulate network conditions such as delay, loss, duplication, corruption, and packet reordering, providing practical examples and command syntax for effective testing and troubleshooting of network performance issues.

LinuxNetemnetwork simulation
0 likes · 8 min read
How to Simulate Real-World Network Conditions with Linux Netem and tc
Baidu Intelligent Testing
Baidu Intelligent Testing
Aug 23, 2018 · Backend Development

Simulating HTTP Response Codes and Network Faults for Testing

This article explains how to construct various HTTP response codes using a PHP script and how to emulate network anomalies such as TCP resets, packet loss, and latency with iptables and tc netem, providing practical techniques for robust backend testing.

HTTPNetemPHP
0 likes · 7 min read
Simulating HTTP Response Codes and Network Faults for Testing