[Instance Activity] Backfill data for table
Original Epic: #193435 (closed)
We want to backfill 3 months of data for all the stats.
TBD:
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How will we assure that data is backfilled before new data is collected? -
Use batch counters? -
How do we backfill data for T - 3 months, independent of when the user updates to this version of GitLab?