Which row keys are likely to cause a disproportionate number of reads and/or writes on a particular node in a Bigtable cluster (select 2 answers)?
A) A sequential numeric ID
B) A timestamp followed by a stock symbol
C) A non-sequential numeric ID
D) A stock symbol followed by a timestamp

Question

Quizplus · Accepted Answer

A sequential numeric ID and a timestamp followed by a stock symbol can lead to hotspotting, where a disproportionate number of reads/writes are directed to a single node, causing performance issues.

Which Row Keys Are Likely to Cause a Disproportionate Number