// troubleshooting guide · redis cloud
Redis Cloud Data Lost / Keys Disappeared
- Status
- Ongoing
- platforms:
- All clients
- updated:
- November 15, 2026
- reports:
- 3
- Method
- how we research
RUNBOOK · redis-cloud/data-lost-after-restart2 FIXES
// quick answer
Keys vanish because of TTLs, eviction under memory pressure, or a database without persistence. Check eviction policy and data persistence settings.
Most likely fix: Check persistence
How to fix it
// try these in order, the most common fix is first
FIX 1Check persistence
- 01Database > Configuration > Data persistence
- 02Enable AOF every second or snapshots
- 03Verify backups
Did this fix it?FIX 2Check eviction and TTL
- 01Look at evicted_keys in INFO stats
- 02Set a policy that fits, or raise memory
Did this fix it?
Symptoms
Keys present earlier are gone; DBSIZE dropped.
Why it happens
- C-01Eviction policy removing keys at memory limit
- C-02TTL set by app
- C-03Persistence disabled on the database
- C-04Free plan limits
// this guide also covers
- redis cloud keys disappeared
- redis cloud data loss
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- Why Is Redis Cloud Slow / High Latency
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