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Set up multi-region for a Postgres app

32 rows

TStep

◉Status

TOwner

TEstimate

TNotes

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2

Confirm you actually need multi-region (not just CDN + caching)

queued

1 day of profiling

3

Lag: 47ms p99. Within 1s target. Stable.

4

Pick the topology: primary + read replicas (start here)

queued

1 hr

5

6

Lag: 95ms p99. Within target. Cross-Atlantic latency adds.

7

Failover triggered manually. RTO: 12s. RPO: ~150ms.

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9

Provision read replicas in target regions

queued

2-3 hr

10

Failover triggered manually. RTO: 18s. RPO: ~200ms.

11

Implement read/write splitting in the app

queued

Half a day to a day

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14

Handle the read-after-write inconsistency

queued

Half a day

15

16

Monitor replica lag and set alerts

queued

2-3 hr

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18

Handle writes that need low latency in secondary regions

queued

Half a day to a day, only if needed

19

Plan and test the failover scenario

queued

Half a day to test, ongoing to maintain

20

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22

Handle migrations carefully (zero-downtime + cross-region)

queued

Ongoing - per migration

23

24

Monitor latency from end users and iterate

queued

1 week observation + ongoing

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Set up multi-region for a Postgres app · Dock on Dock · Dock