AGTEK R & D Wiki

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====== Introduction ======
This page details possible items for implementation on the Access server. 

====== Possible Problems to keep an eye on ======
  * Distributed lock manager occasionally has file stores fail because "item not locked for read"
  * A server (Production-A, I think) fell over on October 17, 2018 with "too many open files" exceptions. No idea why this happened. 

====== Possible implementation items for the future ======
  * To make Project archiving more reliable tag various entities with UUID values (instead of just handles)
    * Projects
    * Vehicles
    * Tracks
    * more? 
    * Add corresponding API methods to be able to retrieve entity by UUID value.
  * Remove old Proxool DB connection pool, Hikari has proven successful. Proxool is not needed for fall back any longer.
  * Move to JDK-11
    * Will require module support
  * Move to OpenJDK instead of Oracle JDK
    * Oracle has introduced new licensing that makes it impossible to use moving forward.
  * Implement a proper license use ledger table in DB
    * Ledger to have single row for checkout through checkin time
    * Fix usage reports to go to ledger
    * Reports will be more repeatable using ledger
    * Usage ledger can remain populated even for "killed" keys because the table refers to past use, not current activity.
  * Implement simple AppLog table. 
    * Apps (desktop mostly) will be able to log debug lines etc. 
    * May need to build access tools for this (internal only, of course)
    * Removes cruft for the licenseLog table, which could slow down the checkin/out process
  * Token generation should be "salted" so two different users with the same password will not create the same token.
  * Add something to stored files so the web app can determine a public link before it's created. This is needed so the web app can paste the public link URL to the clipboard on the onClick() handler in the web app (it's a browser security limitation)
  * Further generalization of the Job concept
    * Abstract jobs so pure linux machines can run them as extra processes but AWS severs could kick of Lambda jobs.
  * Tracking: Vehicles have assigned tracker serial, they should also have Project. This makes for much easier remote tracker management between trackers and web apps as they can all agree that the server has the golden record of choice (when tempered by the vehicle time stamp).
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