2021-05-03Wenbo ZhangEngineering
This post introduces the principle of memory compaction, how to view the fragmentation index, and how to quantify the latency overheads caused by memory compaction.
Linux
2021-04-19Ruoxi Sun, Fei XuEngineering
At TiDB Hackathon 2020, a team used GPU acceleration techniques to improve the performance of CPU-intensive analytical query processing and achieved 10x~150x performance improvement.
HackathonQuery execution
2021-03-23Yiwen ChenEngineering
TiDB Operator is an operator for running TiDB in Kubernetes. This article will introduce its architecture and what value it brings to you.
TiDB OperatorKubernetes
2021-02-04Wenbo ZhangEngineering
This post introduces common methods to prevent Linux memory fragmentation, the principle of memory compaction, how to view the fragmentation index, etc.
Linux
2021-01-08Ke'ao YangEngineering
This post dives deep into how we implement the IOChaos experiment without using a sidecar.
Chaos MeshChaos EngineeringFault injection
2020-12-24Wenbo ZhangEngineering
To trace system calls in Linux effectively, you can use perf to analyze system calls that have latency in general scenarios. For containers or Kubernetes that use cgroup v2, traceloop is more convenient.
LinuxSystem profilingPerformance tuning
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