Jonathan Tushman

Jonathan Tushman

Boston, Massachusetts, United States
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Projects

  • bouncer

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    **bouncer** is an authorization library that restricts user access to resources. All the permissions are defined in a **single location**.

    * Decoupled from authentication
    * Decoupled from how you implement roles
    * Database independent

    See project

  • memory_utils

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    Memory Issues happen to the best of us. `memory_utils` will give you simple tools to quickly isolate the culprit, and ideally, warn you before you run into issues.

    From my experience, there is no silver-bullet in dealing with memory issues. You just have to roll up your sleeve and get dirty with print statements. In our team's recent fight with a memory issue, we created memory_utils and we wanted to share.

    `memory_utils` deals primarily with RSS memory (Resident Set Size). The…

    Memory Issues happen to the best of us. `memory_utils` will give you simple tools to quickly isolate the culprit, and ideally, warn you before you run into issues.

    From my experience, there is no silver-bullet in dealing with memory issues. You just have to roll up your sleeve and get dirty with print statements. In our team's recent fight with a memory issue, we created memory_utils and we wanted to share.

    `memory_utils` deals primarily with RSS memory (Resident Set Size). The most important memory concept to understand when dealing with memory constrained systems: RSS, the resident set size, is the portion of a process's memory that is held in RAM. The rest of the memory exists in the swap of the file system.

    See project

  • monarch

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    `monarch` is a mongo utility belt that helps developers and admins deal with common admin use-cases.

    The main use-case that this library was built for was _migrations_ but it does a bunch or other useful things like makes it easy to backup, restore, and copy environments between one another.

    It has been very helpful for our teams -- and hopefully others will find it useful as well.

    See project

  • state_machine

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    There are two types of developers in this world: those who love state machines and those who will eventually.

    I fall in the first camp. I think it is really important to have a declarative way to define the states of an object. That’s why I developed `state_machine`.

    See project

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