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add helper scripts

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qananasikq
2026-04-24 20:47:18 +03:00
parent 31f1d39775
commit 3ff51fb93b
5 changed files with 171 additions and 0 deletions
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19
scripts/db_activity_check.sql Normal file
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select 'seen_1h' as metric, count(*)::text as value from cars where last_seen_at >= now() - interval '1 hour'
union all
select 'seen_24h', count(*)::text from cars where last_seen_at >= now() - interval '24 hours'
union all
select 'old_rows_touched_24h', count(*)::text from cars where last_seen_at >= now() - interval '24 hours' and id <= (select greatest(max(id) - 5000, 0) from cars)
union all
select 'min_recent_id_1h', coalesce(min(id)::text, 'null') from cars where last_seen_at >= now() - interval '1 hour'
union all
select 'max_recent_id_1h', coalesce(max(id)::text, 'null') from cars where last_seen_at >= now() - interval '1 hour'
union all
select 'top_5_recent_old_ids_24h', coalesce(string_agg(id::text, ', ' order by last_seen_at desc), 'none')
from (
select id, last_seen_at
from cars
where last_seen_at >= now() - interval '24 hours'
and id <= (select greatest(max(id) - 5000, 0) from cars)
order by last_seen_at desc
limit 5
) t;