The original CREATE INDEX (non-concurrent) on a 2M-row table held a SHARE lock
for ~33 minutes, blocking all 25+ DOT checker queries and causing 'Failed to
fetch' for real users. CONCURRENTLY builds the index without a table lock.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- build_trucking_campaigns.py: nightly script that creates 8 Listmonk campaigns
per day (4 TZ x 2 types: MCS-150 overdue 2k/TZ, inactive USDOT 1k/TZ)
at 4AM ET / 5AM ET (CT) / 6AM ET (MT) / 7AM ET (PT). Deduplicates via
listmonk_sent_at column.
- migration 083: add listmonk_sent_at + listmonk_campaign_type to fmcsa_carriers
- email_verifier.py: bump max_workers from 5 to 20 for 4x faster throughput
- cron: daily pw-trucking-campaigns at 08:00 UTC (3 AM EST)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
