Ravi Sir's Cards › AWS
One key or shards?
This comparison card contrasts One key or shards. Hot PK is described as all traffic on one PK. It also notes throttles. Write-sharded PK is described as suffix shards spread writes. The card pairs Hot PK with never for huge sets, and Write-sharded PK with spiky writers.
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What this card says
One key or shards?
Hot PK
All traffic on one PK; throttles.
Write-sharded PK
Suffix shards spread writes.
Key points
Leaderboards/status queues done wrong.
Launch spikes done right.
Example
STATUS=ACTIVE
Use when
Never for huge sets.
Spiky writers.