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Could someone explain in detail how the size of the roll (currently 10k xtz and one amendment proposal offers to reduce this to 8k xtz) impacts the node performance ?

This would be a great way to understand more accurately the pros and cons of reducing the roll size.

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Just asked that question at riot. The answer from our very wise Adrian Brink:

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  • thanks! I'll let you deal with Adrian for the attribution of this upvote ;) But one the bottom of this i have the same follow-up question: so that confirms that the only question at stake for node performance here is really the storage + io operations ? In that regard is 20% significant ? or do read/writes scale faster than linearly ? – Ezy♦ Feb 5 '19 at 12:41
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Here is a great article by CryptiumLabs that deals with these questions.

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    Thanks for the article it is interesting. However it does not really go into technical details enough. Is storage the only performance aspect at play ? What is roll storage ? Does it take a significant amount of space and therefore is a 20% increase really significant ? – Ezy♦ Jan 31 '19 at 12:44

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