OJS2 Metrics Table Has Huge Size

Software Support
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1

Hi,

I want to upgrade OJS 2.4.8.4 to OJS 3. But it always failed, because my server always return 503 Error.
When I check on my OJS database, apparently I have huge size of database. There’s almost 2.5M rows on my DB.
The metrics table have 1,062,903 rows alone, my assumption is that it’s the metrics table that makes the error every time I upgrade.
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It contains my website’s usage_events.log data from 2015.

  1. Should I leave the table as it is ?
  2. What happens if I delete the old data and only leave the 2025 log data in the table?
  3. Any suggestions about this issue ?