# Profiling App Engine Memcached

DevFeed: [Profiling App Engine Memcached](<https://devfeed.tech/articles/profiling-app-engine-memcached-27394.md>)

Original publisher: [Read original article](<http://engineering.khanacademy.org/posts/memcached-profiling.htm>)

Author: Khan Academy

Published: 2017-05-01T22:00:00Z

Content type: article

Language: en

Sources: [Khan Academy](<https://devfeed.tech/sources/khan-academy.md>)

Topics: [Latency](<https://devfeed.tech/topics/latency.md>), [Logging](<https://devfeed.tech/topics/logging.md>), [Data structures](<https://devfeed.tech/topics/data-structures.md>)

Tags: [engineering](<https://devfeed.tech/tags/engineering.md>), [infrastructure](<https://devfeed.tech/tags/infrastructure.md>), [latency](<https://devfeed.tech/tags/latency.md>), [logging](<https://devfeed.tech/tags/logging.md>), [memcached](<https://devfeed.tech/tags/memcached.md>), [news](<https://devfeed.tech/tags/news.md>), [patterns](<https://devfeed.tech/tags/patterns.md>), [profiling](<https://devfeed.tech/tags/profiling.md>), [tests](<https://devfeed.tech/tags/tests.md>)

## AI overview

Khan Academy engineers profile App Engine Memcached to estimate access latency and evaluate whether on-demand content fetching could support separate content trees for each language. Most requests showed 1-4 ms latency, usually below 10 ms, while a single multi-get performed similarly to a single get.

## Source excerpt

By Ben Kraft Last year, Willow wrote about how we optimized our in-memory content data to take up ... Read more