# Selecting all bins/selective bins, which gives better performance?

**URL:** https://discuss.aerospike.com/t/selecting-all-bins-selective-bins-which-gives-better-performance/7117
**Category:** Query & Indexing
**Tags:** query, scan
**Created:** [February 10, 2020, 9:54am UTC](https://discuss.aerospike.com/t/selecting-all-bins-selective-bins-which-gives-better-performance/7117 "2020-02-10T09:54:34Z")
**Posts on this page:** 1
**Showing post:** 3

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### Author: ![Albot](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.aerospike.com/albot/32/2076_2.png) [@Albot](https://discuss.aerospike.com/u/Albot)
#### Post date: [February 10, 2020, 9:16pm UTC](https://discuss.aerospike.com/t/selecting-all-bins-selective-bins-which-gives-better-performance/7117/3 "2020-02-10T21:16:42Z")

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To extend the above answer, when you read all bins or even a single bin - aerospike pulls the entire thing off disk. If the idea is to save disk IO on Aerospike side - you wont.

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