Louwtjie Burger wrote:
> Hi
>
> What is the impact of not aligning the DB blocksize (16K) with ZFS,
> especially when it comes to random reads on single HW RAID LUN.
>   

Potentially, depending on the write part of the workload, the system may 
read
128 kBytes to get a 16 kByte block.  This is not efficient and may be 
noticeable
as a performance degradation.

> How would one go about measuring the impact (if any) on the workload?
>   

Try it and see if it meets your requirements.
 -- richard

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