envoyproxy/envoy

[feature request] memcached filter with consistent hashing

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#5,997 opened on Feb 19, 2019

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 (10 comments) (3 reactions) (1 assignee)C++ (5,373 forks)batch import
enhancementhelp wanted

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Description

Title: memcached protocol filter with consistent hashing [feature request]

Description: As I mentioned in slack, it would be helpful if envoyproxy has a filter with consistent hashing feature for memcached clusters.

AFAIU there's filter with that feature for Redis, but not for memcached. The required implementation seems not so difficult to me, so i would be happy to make a patch if anyone of maintainers support memcached filters.

Contributor guide

Research direction
Study the existing Redis cluster filter implementation in Envoy and adapt it for memcached, focusing on consistent hashing logic. Familiarize with the Envoy filter architecture and memcached protocol to implement a new filter.
Tech stack
cpp
Domain
backendinfrastructure
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
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++Envoy proxy conceptsMemcached protocol
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65