# backlogs, lag, and waiting

DevFeed: [backlogs, lag, and waiting](<https://devfeed.tech/articles/backlogs-lag-and-waiting-20261.md>)

Original publisher: [Read original article](<https://elvis314.wordpress.com/2019/07/16/backlogs-lag-and-waiting/>)

Author: elvis314

Published: 2019-07-16T20:21:55Z

Content type: opinion

Language: en

Sources: [Mozilla Automation](<https://devfeed.tech/sources/mozilla-automation.md>)

Topics: [test-coverage](<https://devfeed.tech/topics/test-coverage.md>), [FIRST](<https://devfeed.tech/topics/first.md>), [Amazon Web Services](<https://devfeed.tech/topics/aws.md>), [Android](<https://devfeed.tech/topics/android.md>), [Linux](<https://devfeed.tech/topics/linux.md>), [Windows](<https://devfeed.tech/topics/windows.md>), [datacenter](<https://devfeed.tech/topics/datacenter.md>), [GPU](<https://devfeed.tech/topics/gpu.md>)

Tags: [android](<https://devfeed.tech/tags/android.md>), [aws](<https://devfeed.tech/tags/aws.md>), [code-coverage](<https://devfeed.tech/tags/code-coverage.md>), [data](<https://devfeed.tech/tags/data.md>), [data-center](<https://devfeed.tech/tags/data-center.md>), [gpu](<https://devfeed.tech/tags/gpu.md>), [hardware](<https://devfeed.tech/tags/hardware.md>), [irc](<https://devfeed.tech/tags/irc.md>), [linux](<https://devfeed.tech/tags/linux.md>), [mozilla](<https://devfeed.tech/tags/mozilla.md>), [slack](<https://devfeed.tech/tags/slack.md>), [tests](<https://devfeed.tech/tags/tests.md>), [uncategorized](<https://devfeed.tech/tags/uncategorized.md>), [windows](<https://devfeed.tech/tags/windows.md>)

## AI overview

The article explains why Mozilla test jobs can experience backlogs and long wait times. It describes the platforms, configurations, infrastructure pools, and job volumes involved in running the tests, including Linux, Windows, macOS, Android, AWS, data-center machines, laptops, emulators, and real devices.

## Source excerpt

Many times each week I see a ping on IRC or Slack asking "why are my jobs not starting on my try push?" I want to talk about why we have backlogs and some things to consider in regards to ... Continue reading ->