Sharding, replication & partitioningHardSDE-3

You have 8 MySQL shards that are nearly full, and you must move to 32 shards without downtime. Walk me through the migration.

Asked at

FlipkartMetaPhonePe

Think first

Answer out loud as you would in the room — clarify, give numbers, name the trade-off — then compare with the model answer.

Go deeper

Saved on this device. Create a free account to keep it on every device.

Practise this with Sam

A real mock interview, out loud, with an honest scorecard. Free to start.