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Netflix
SimianArmy
Java2012–2022
Netflix / SimianArmy · Archived

SimianArmy

Tools for keeping your cloud operating in top form. Chaos Monkey is a resiliency tool that helps applications tolerate random instance failures.

DevOps & Cloud
Explore on GitHubRead Hacker News discussions
31Distinct people
32Mentions
1Explicit recommenders
8KGitHub stars
REPOSITORY AT A GLANCE

What to know before exploring

What it is

Tools for keeping your cloud operating in top form. Chaos Monkey is a resiliency tool that helps applications tolerate random instance failures.

GitHub

Where it is used

No documented product use was verified in the last source check.

What people are saying

As always I recommend people practice Chaos Engineering [0] to minimize the impact of such events. Even if the complexity of cross-region failover is to expensive, having some…

Slippery_John used a recommendation phrase. One indexed comment matches. This is a phrase match, not a verdict.

No classified warning is attached to this page. Read the discussions before treating silence as approval.

Also in these discussions

No other repository is repeatedly linked in the same discussions.

This week on Hacker News

Nov 8–Nov 15 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/15/2026, 10:49:33 PM UTC.

No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.

Mentions over time

HN mentions by year32 dated mentions

Observed mentions: 2012-07-31 00:21:36 UTC to 2022-03-16 06:46:22 UTC.

02468102012-01-01 00:00:00 UTC to 2013-01-01 00:00:00 UTC (exclusive): 3 mentions; 1 submissions, 2 comments20122013-01-01 00:00:00 UTC to 2014-01-01 00:00:00 UTC (exclusive): 1 mentions; 1 submissions, 0 comments2014-01-01 00:00:00 UTC to 2015-01-01 00:00:00 UTC (exclusive): 7 mentions; 0 submissions, 7 comments2015-01-01 00:00:00 UTC to 2016-01-01 00:00:00 UTC (exclusive): 2 mentions; 0 submissions, 2 comments2016-01-01 00:00:00 UTC to 2017-01-01 00:00:00 UTC (exclusive): 10 mentions; 3 submissions, 7 comments2017-01-01 00:00:00 UTC to 2018-01-01 00:00:00 UTC (exclusive): 5 mentions; 1 submissions, 4 comments20172018-01-01 00:00:00 UTC to 2019-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments2019-01-01 00:00:00 UTC to 2020-01-01 00:00:00 UTC (exclusive): 2 mentions; 0 submissions, 2 comments2020-01-01 00:00:00 UTC to 2021-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2021-01-01 00:00:00 UTC to 2022-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2022-01-01 00:00:00 UTC to 2023-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments2022

Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.

View mention counts and date ranges
UTC ranges include their start and exclude their end. Select a period to filter the source evidence.
PeriodStart (UTC)End (exclusive, UTC)MentionsSubmissionsComments
20122012-01-01 00:00:00 UTC2013-01-01 00:00:00 UTC312
20132013-01-01 00:00:00 UTC2014-01-01 00:00:00 UTC110
20142014-01-01 00:00:00 UTC2015-01-01 00:00:00 UTC707
20152015-01-01 00:00:00 UTC2016-01-01 00:00:00 UTC202
20162016-01-01 00:00:00 UTC2017-01-01 00:00:00 UTC1037
20172017-01-01 00:00:00 UTC2018-01-01 00:00:00 UTC514
20182018-01-01 00:00:00 UTC2019-01-01 00:00:00 UTC101
20192019-01-01 00:00:00 UTC2020-01-01 00:00:00 UTC202
20202020-01-01 00:00:00 UTC2021-01-01 00:00:00 UTC000
20212021-01-01 00:00:00 UTC2022-01-01 00:00:00 UTC000
20222022-01-01 00:00:00 UTC2023-01-01 00:00:00 UTC101

From the project README

An excerpt from the repository, fetched Nov 13, 2026.

Read the project’s introduction
PROJECT STATUS: RETIRED The Simian Army project is no longer actively maintained. Some of the Simian Army functionality has been moved to other Netflix projects: A newer version of Chaos Monkey is available as a standalone service. Swabbie is a new standalone service that will replace the functionality provided by Janitor Monkey. Conformity Monkey functionality will be rolled into other Spinnaker backend services. DESCRIPTION The Simian Army is a suite of tools for keeping your cloud operating in top form. Chaos Monkey, the first member, is a resiliency tool that helps ensure that your applications can tolerate random instance failures DETAILS Please see the wiki. SUPPORT Simian Army Google group Because the project is no longer maintained, there is a good chance that nobody will be able to answer a support question. LICENSE Copyright 2012-2016 Netflix, Inc. Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
Read the full README on GitHub

What Hacker News says

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