perf: add PostgreSQL performance flags for CI tests #3423
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Add performance flags to the PostgreSQL container in CircleCI: - fsync=off - Don't wait for writes to hit disk - synchronous_commit=off - Don't wait for WAL flush - full_page_writes=off - Skip extra safety writes - max_connections=200 - Allow more connections These are safe for tests since we don't need durability. Expected impact: 5-10% faster database writes. Closes ENG-281
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🍹 The Update (preview) for dailydotdev/api/prod (at 3cc091d) was successful. Resource Changes Name Type Operation
+ vpc-native-api-clickhouse-migration-b3a748d5 kubernetes:batch/v1:Job create
~ vpc-native-update-tags-str-cron kubernetes:batch/v1:CronJob update
~ vpc-native-validate-active-users-cron kubernetes:batch/v1:CronJob update
~ vpc-native-clean-zombie-user-companies-cron kubernetes:batch/v1:CronJob update
~ vpc-native-update-tag-recommendations-cron kubernetes:batch/v1:CronJob update
~ vpc-native-update-source-public-threshold-cron kubernetes:batch/v1:CronJob update
~ vpc-native-user-profile-updated-sync-cron kubernetes:batch/v1:CronJob update
~ vpc-native-personalized-digest-deployment kubernetes:apps/v1:Deployment update
~ vpc-native-private-deployment kubernetes:apps/v1:Deployment update
~ vpc-native-generic-referral-reminder-cron kubernetes:batch/v1:CronJob update
- vpc-native-api-clickhouse-migration-01a67472 kubernetes:batch/v1:Job delete
~ vpc-native-sync-subscription-with-cio-cron kubernetes:batch/v1:CronJob update
~ vpc-native-clean-stale-user-transactions-cron kubernetes:batch/v1:CronJob update
~ vpc-native-bg-deployment kubernetes:apps/v1:Deployment update
- vpc-native-api-db-migration-01a67472 kubernetes:batch/v1:Job delete
~ vpc-native-post-analytics-clickhouse-cron kubernetes:batch/v1:CronJob update
~ vpc-native-check-analytics-report-cron kubernetes:batch/v1:CronJob update
~ vpc-native-update-views-cron kubernetes:batch/v1:CronJob update
~ vpc-native-clean-zombie-users-cron kubernetes:batch/v1:CronJob update
~ vpc-native-calculate-top-readers-cron kubernetes:batch/v1:CronJob update
~ vpc-native-generate-search-invites-cron kubernetes:batch/v1:CronJob update
~ vpc-native-temporal-deployment kubernetes:apps/v1:Deployment update
~ vpc-native-deployment kubernetes:apps/v1:Deployment update
~ vpc-native-clean-gifted-plus-cron kubernetes:batch/v1:CronJob update
~ vpc-native-update-source-tag-view-cron kubernetes:batch/v1:CronJob update
~ vpc-native-update-trending-cron kubernetes:batch/v1:CronJob update
~ vpc-native-clean-zombie-images-cron kubernetes:batch/v1:CronJob update
~ vpc-native-update-highlighted-views-cron kubernetes:batch/v1:CronJob update
~ vpc-native-daily-digest-cron kubernetes:batch/v1:CronJob update
~ vpc-native-personalized-digest-cron kubernetes:batch/v1:CronJob update
~ vpc-native-update-current-streak-cron kubernetes:batch/v1:CronJob update
~ vpc-native-ws-deployment kubernetes:apps/v1:Deployment update
~ vpc-native-hourly-notification-cron kubernetes:batch/v1:CronJob update
~ vpc-native-post-analytics-history-day-clickhouse-cron kubernetes:batch/v1:CronJob update
+ vpc-native-api-db-migration-b3a748d5 kubernetes:batch/v1:Job create
~ vpc-native-clean-zombie-opportunities-cron kubernetes:batch/v1:CronJob update
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omBratteng
reviewed
Jan 9, 2026
| environment: | ||
| POSTGRES_DB: api_test | ||
| POSTGRES_PASSWORD: 12345 | ||
| command: > |
omBratteng
approved these changes
Jan 9, 2026
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Add performance flags to the PostgreSQL container in CircleCI:
These are safe for tests since we don't need durability. Expected impact: 5-10% faster database writes.
Closes ENG-281