Incident: Hulu Video Playback Outage Impacting Thousands of Users.

Published Date: 2022-12-19

Postmortem Analysis
Timeline 1. The software failure incident at Hulu happened on December 19, as mentioned in the article [137414].
System 1. Video playback functionality on Hulu's streaming platform [137414].
Responsible Organization 1. Hulu [137414]
Impacted Organization 1. Users of Hulu's streaming platform [137414]
Software Causes 1. The software cause of the failure incident was related to a video playback issue on Hulu's platform, where users were unable to play videos despite being able to browse and select content [137414].
Non-software Causes 1. Overload on the streaming platform leading to video playback issues [137414].
Impacts 1. Video playback was not functioning on Hulu, causing inconvenience to users who were unable to watch movies or TV shows [137414]. 2. More than 25,000 complaints were reported on Down Detector, indicating a widespread impact on users [137414]. 3. The outage affected 92% of the complaints associated with video streaming functionality, highlighting the specific area of impact within the platform [137414].
Preventions 1. Implementing robust testing procedures to catch potential issues before they impact users [137414]. 2. Conducting regular maintenance and monitoring of the streaming platform to identify and address any underlying issues proactively [137414]. 3. Investing in redundancy and failover mechanisms to ensure continuous service availability even in the event of outages or failures [137414].
Fixes 1. Performing a quick power cycle [137414]
References 1. Down Detector [137414] 2. Hulu Support Twitter account [137414]

Software Taxonomy of Faults

Category Option Rationale
Recurring unknown (a) The software failure incident having happened again at one_organization: The article does not mention any previous incidents of a similar nature happening again within Hulu or with its products and services. Therefore, it is unknown if this specific incident has occurred before within the same organization [137414]. (b) The software failure incident having happened again at multiple_organization: The article does not provide information about similar incidents happening at other organizations or with their products and services. Therefore, it is unknown if this specific incident has occurred elsewhere [137414].
Phase (Design/Operation) design, operation (a) The software failure incident related to the design phase is evident in the article as it mentions that Hulu suffered an outage with video playback going down. This issue was likely caused by contributing factors introduced during system development or updates, leading to the inability to play videos despite being able to browse and select content [137414]. (b) The software failure incident related to the operation phase is also apparent in the article. The article states that more than 25,000 complaints were reported, with 92% of those associated with video streaming functionality. This indicates that the failure was due to contributing factors introduced by the operation or misuse of the system, affecting the ability of users to stream videos [137414].
Boundary (Internal/External) within_system (a) The software failure incident reported in Article 137414 was within_system. The outage experienced by Hulu was related to video playback issues within the streaming platform's app and website. The error message displayed indicated an internal issue with playing videos, and Hulu's response focused on resolving the problem within their system. The outage was eventually repaired by Hulu, indicating that the failure originated from within the system itself [137414].
Nature (Human/Non-human) non-human_actions (a) The software failure incident occurring due to non-human actions: - The article mentions that Hulu suffered an outage with video playback going down, indicating a technical issue with the platform's functionality [137414]. - The error message displayed to users indicated a technical issue with playing videos, suggesting a non-human factor contributing to the failure [137414]. (b) The software failure incident occurring due to human actions: - There is no specific mention in the article of the software failure incident being caused by human actions [137414].
Dimension (Hardware/Software) software (a) The software failure incident in the article was not attributed to hardware issues. The outage experienced by Hulu, which affected video playback, was specifically mentioned as a software issue. The error message displayed to users indicated that the problem was related to playing videos, and Hulu's response focused on resolving the software-related streaming functionality problem. There was no mention of hardware contributing to the outage [137414].
Objective (Malicious/Non-malicious) non-malicious (a) The software failure incident reported in Article 137414 was non-malicious. The failure was attributed to an outage that affected video playback on Hulu, with the streaming platform's app and website experiencing issues. Hulu acknowledged the problem and actively worked on resolving it, providing updates to users and ultimately fixing the issue. There is no indication in the article that the failure was caused by malicious intent; instead, it appears to be a technical issue that disrupted the service temporarily [137414].
Intent (Poor/Accidental Decisions) accidental_decisions (a) The software failure incident reported in the article does not provide any information indicating that the failure was due to poor decisions. Therefore, the incident does not seem to be related to poor decisions.
Capability (Incompetence/Accidental) accidental (a) The software failure incident does not seem to be related to development incompetence. The outage experienced by Hulu was primarily due to video playback issues, with more than 25,000 complaints reported. The error message displayed indicated that the issue was being worked on, and Hulu recommended a power cycle as a potential solution. The incident was resolved within a few hours, suggesting that it was more of a technical glitch rather than a result of development incompetence [137414]. (b) The software failure incident appears to be accidental in nature. The outage experienced by Hulu was described as a sudden event that affected video playback functionality. The error message displayed to users indicated that the issue was being addressed, and Hulu support reassured customers that the problem was being resolved. The incident was resolved within a relatively short period, indicating that it was likely an accidental glitch rather than a result of intentional actions or development incompetence [137414].
Duration temporary (a) The software failure incident in the article was temporary. The outage experienced by Hulu, where video playback was not working, was reported late Thursday afternoon, and Hulu mentioned that they had repaired the issue by 3:36 p.m. PT. Additionally, Hulu Support tweeted that users should be back in business, indicating that the issue was resolved within a relatively short period of time [137414].
Behaviour crash (a) crash: The software failure incident reported in Article 137414 can be categorized as a crash. Hulu suffered an outage where the video playback was not functioning despite users being able to browse and select content. The error message indicated trouble playing the videos, signifying a failure in the system's ability to perform its intended function of video playback [137414].

IoT System Layer

Layer Option Rationale
Perception None None
Communication None None
Application None None

Other Details

Category Option Rationale
Consequence delay The consequence of the software failure incident reported in the article about Hulu's outage ([137414]) was a delay. The incident caused an interruption in video streaming functionality, leading to users being unable to play videos on the platform. As a result, people had to postpone their streaming activities until the issue was resolved.
Domain entertainment (a) The failed system was related to the entertainment industry as it affected Hulu's video streaming functionality, causing an outage in video playback [137414].

Sources

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