• Leigh Stoller's avatar
    * Add new tables to store NS files (and any files they source) in the · f8333ef2
    Leigh Stoller authored
      DB alongside the resource records. Previously, we stored only the
      nsfiles for current experiments, and purged them when the experiment
      was terminated. The new approach saves them forever using the resource
      record ID. Note that we do not store copies of NS files, but reference
      them indirectly instead so that we can MD5 them and avoid the dups.
    
      I put a "compressed" bit into the table cause at some point we will
      start compressing the data before storing them into the DB. Or maybe
      we bag this and start using GFS!
    
      Also note that this addresses the problem of losing the NS file
      history when using swapmod, since the NS file is overwritten.
    
    * Add a pmapping table stores the nodes (and their types) used by an
      experiment. This data is also saved forever, alongside the resource
      records, so that we can more accurately replay an experiment. As Rob
      points out, the node names can also be used in conjunction with the
      ptop files that are saved, to get a 100% accurate remap of resources.
    f8333ef2
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