'bundle exec rake db:migrate' выполняется долго из-за миграции календаря

Поддержка Самостоятельное хостинг
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discourse=# select count(*) from calendar_events where created_at > NOW()-INTERVAL '200 days';
  count
----------
 25970368
(1 row)

discourse=# select count(*) from calendar_events where created_at > NOW()-INTERVAL '100 days';
  count
----------
 14377700
(1 row)

discourse=# select count(*) from calendar_events where created_at > NOW()-INTERVAL '50 days';
  count
---------
 7207939
(1 row)

discourse=# select count(*) from calendar_events where created_at > NOW()-INTERVAL '5 days';
 count
--------
 589938
(1 row)

discourse=# select count(*) from calendar_events where created_at < NOW()-INTERVAL '200 days';
  count
----------
 43754016
(1 row)