PostgreSQL on ARM-Based AWS EC2 Instances

Re:PostgreSQL on ARM-Based AWS EC2 Instances by random5634 on Friday January 22, 2021 @03:18PM (#25875861)

Cost is a key factor. It should be trx/$. That really makes clear the ARM advantage here.

Additionally the ARM version only had one disk vs two for x86.

I also feel like there is more headroom for optimization now that ARM is more visible as a server class target in the non-postgresql toolchains.

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Re:PostgreSQL on ARM-Based AWS EC2 Instances by Thaxll on Friday January 22, 2021 @05:29PM (#25877108)

It's a wrong measurement because not all workload can be "shardable". If your workload is bound to a single instance it does not really matter if it's a bit cheaper.

Not every workload are behind a loadblancer, so single core / MT / single instance performance can be important.

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