April 2019
Intermediate to advanced
490 pages
12h 6m
English
Content preview from Mastering Ethereum
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Downloading the blockchain
The main function of Geth is to download the blockchain, so that you can have a full node on your device for whatever purpose you may need. To do so, execute this command on your Terminal:
$ geth
Running geth without parameters starts to automatically download the latest version of the blockchain in the default directory with a RAM default of about 1 MB. You can change the location where the blockchain will be downloaded with this flag:
$ geth --datadir "<your-location>"
To change the portion of RAM used to download the blockchain, use this flag:
$ geth --cache=1024
The number in this flag is how much RAM you want to dedicate exclusively to this process. The more you give it, the faster it will download each component ...
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