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  2. Downtime - Wikipedia

    en.wikipedia.org/wiki/Downtime

    Downtime can also refer to time when human capital or other assets go down. For instance, if employees are in meetings or unable to perform their work due to another constraint, they are down. This can be equally expensive, and can be the result of another asset (i.e. computer/systems) being down. This is also commonly known as "dead time".

  3. Maintenance mode - Wikipedia

    en.wikipedia.org/wiki/Maintenance_mode

    Maintenance mode often transitions to abandonware. In the world of software maintenance , it refers to the operational mode a device or service may enter when it is being maintained. For example, while diagnosing, reconfiguring, repairing, upgrading or testing it may be necessary for the device or service to drop to maintenance mode until its ...

  4. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    The server cannot handle the request (because it is overloaded or down for maintenance). Generally, this is a temporary state. [26] 504 Gateway Timeout The server was acting as a gateway or proxy and did not receive a timely response from the upstream server. 505 HTTP Version Not Supported The server does not support the HTTP version used in ...

  5. High availability - Wikipedia

    en.wikipedia.org/wiki/High_availability

    For example, a system can be "up" with its services not "available" in the case of a network outage. Or a system undergoing software maintenance can be "available" to be worked on by a system administrator, but its services do not appear "up" to the end user or customer. The subject of the terms is thus important here: whether the focus of a ...

  6. Notification system - Wikipedia

    en.wikipedia.org/wiki/Notification_system

    Notifications show activity that relate to an event, account, or person. A push notification is a message that appears on a mobile device such as a text, sports score, limited-time deal, or an e-mail announcing when a computer network will be down for a scheduled maintenance. Notifications are sent from app publishers at any time, in an effort ...

  7. FarmVille billing system down for maintenance - AOL

    www.aol.com/news/2011-02-23-farmville-billing...

    Tonight FarmVille players encountered a yellow text banner above the game informing them about a maintenance downtime for the FarmVille billing system. This downtime means that no one will be able ...

  8. Heartbeat (computing) - Wikipedia

    en.wikipedia.org/wiki/Heartbeat_(computing)

    In computer science, a heartbeat is a periodic signal generated by hardware or software to indicate normal operation or to synchronize other parts of a computer system. [1] [2] Heartbeat mechanism is one of the common techniques in mission critical systems for providing high availability and fault tolerance of network services by detecting the network or systems failures of nodes or daemons ...

  9. System Mechanic features - AOL Help

    help.aol.com/articles/system-mechanic-features

    Scroll down and click Program Accelerator. Select which hard drives you want to optimize. Click Analyze Now. Once System Mechanic has finished analyzing your hard drives, click Optimize now. Click Exit when the optimization is complete.