envoyproxy/envoy

Optimize UdpGsoBatchWriter performance

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#15,954 opened on Apr 13, 2021

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 (1 comment) (0 reactions) (0 assignees)C++ (5,373 forks)batch import
area/quicarea/udpbughelp wanted

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Description

UdpGsoBatchWriter::writePacket() copies source/destination addresses and linearizes buffer into string on each call. These are unnecessary and add a lot of overhead.

The overall implementation needs to be reviewed to eliminate such cases.

Contributor guide

Research direction
Review the writePacket() method in UdpGsoBatchWriter to eliminate unnecessary copies of source/destination addresses and buffer linearization.
Tech stack
cpp
Domain
backend
Issue type
Performance
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
C++UDP
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70