How much memory does Ethereum need for syncing?

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8 months ago

I am in the process of setting up an Ethereum node and want to understand the memory requirements of syncing the Ethereum blockchain. I’m planning to run this on my personal computer and want to make sure I have adequate resources for the same. I understand that there are different kinds of sync such as fast, full and archive and I’m interested in a fast sync as it seems to be a popular choice.

I have already researched a bit and found some people suggesting at least 16GB of RAM for a smooth operation. However, I am not sure if this is updated information or if it varies with the type of sync you choose. I would appreciate if anyone could clarify this and help me understand more on the memory requirements for syncing Ethereum blockchain.

Answers:

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8 months ago

You’re absolutely right in your understanding that the type of sync you choose would have an impact on the memory requirements. For a fast sync, the suggestion of 16GB of RAM should suffice under normal circumstances. However, it’s important to keep in mind that this is not a hard and fast rule. The actual memory usage might vary based on numerous factors, which can include the number of transactions on the Ethereum network at a given time or the overall size of the blockchain. In fact, due to ongoing network activity and growth, these requirements might continue to evolve. Hence, for a better position, you may want to equip yourself with 16 GB or more of RAM. Another point to consider is storage. A fast SSD is almost mandatory for a smooth operation, and you should expect a disk space usage of at least 200GB for a fast sync. Please remember though, details might vary, and this information gives a general guideline rather than a definitive answer.

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