Where is my post
Level 28 of 41Fix the board. Turn every goal green.
- Traffic
- 1,000 req/s · 90% reads
- Limit
- Postgres answers about 90,000 reads/s
- Bill
- Postgres24 USD/mo
24 of 100 USD/mo
Goals
Not tested yet
A user saves a post, then reads through a replica that is two seconds behind. No user may read a version older than their own completed write. Keep p99 below 100 ms.
0:00. A user saved a post, then could not see it. Graph: replica lag stays near 2 s after every write.
Parts you can add: Postgres. At most 16 parts. Budget: 100 USD/mo.
Tap a part to add it, or drag it onto a trace.Click a part to add it, or drag it onto a trace.