# Kochiku Improvements for Test Sharding at Square

DevFeed: [Kochiku Improvements for Test Sharding at Square](<https://devfeed.tech/articles/a-summer-of-kochiku-15478.md>)

Original publisher: [Read original article](<https://developer.squareup.com/blog/a-summer-of-kochiku>)

Author: Square Engineering

Published: 2014-08-08T16:07:00Z

Content type: article

Language: en

Sources: [Square Corner Blog RSS Feed](<https://devfeed.tech/sources/square-corner-blog-rss-feed.md>)

Topics: [Open Source](<https://devfeed.tech/topics/open-source.md>), [Caching](<https://devfeed.tech/topics/caching.md>), [dashboards](<https://devfeed.tech/topics/dashboards.md>), [Amazon EC2](<https://devfeed.tech/topics/amazon-ec2.md>), [GitHub](<https://devfeed.tech/topics/github.md>), [Submodules](<https://devfeed.tech/topics/submodules.md>), [configuration](<https://devfeed.tech/topics/configuration.md>), [Refactoring](<https://devfeed.tech/topics/refactoring.md>), [Maven](<https://devfeed.tech/topics/maven.md>)

Tags: [amazon-ec2](<https://devfeed.tech/tags/amazon-ec2.md>), [caching](<https://devfeed.tech/tags/caching.md>), [configuration](<https://devfeed.tech/tags/configuration.md>), [ec2](<https://devfeed.tech/tags/ec2.md>), [engineering](<https://devfeed.tech/tags/engineering.md>), [github](<https://devfeed.tech/tags/github.md>), [new-features](<https://devfeed.tech/tags/new-features.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [sharding](<https://devfeed.tech/tags/sharding.md>), [submodules](<https://devfeed.tech/tags/submodules.md>)

## AI overview

Square describes improvements to Kochiku, its open-source tool for partitioning test suites across workers running in Amazon EC2. The updates include worker health tracking, action caching, cluster auto-scaling, improved submodule support, richer build emails, repository-based configuration, project health tracking, and a new Maven partitioner.

## Source excerpt

Kochiku is getting plenty of attention from the new CII team.