[GitHub] [incubator-superset] john-bodley edited a comment on pull request #11714: chore: improve analytics

[GitBox <gi...@apache.org>]

john-bodley edited a comment on pull request #11714:
URL: https://github.com/apache/incubator-superset/pull/11714#issuecomment-737573134


   @mistercrunch, @dpgaspar, et al. would you be able to provide more as what the new fields added to the `logs` are (or will be) used for? The reason I ask is at Airbnb we use a MySQL database and the DDL operations locks the table which is problematic (especially for a large and frequently written to table like the `logs` table). Without planned downtime (possibly significant) the migration will not complete and the application is at risk of becoming inoperable (if/when a lock is obtained).
   
   Also did you consider using the `json` column for storing the extra metadata? This could be useful especially if these fields are experimental and no DB migration would be required.
   
   cc: @bkyryliuk (unsure if Dropbox uses MySQL).


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