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Remove --fast flag and clarify default

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`--fast` is no longer a flag it's `--syncmode "fast"` and that is the default
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Chase Wright 2018-02-08 10:37:12 -06:00 committed by GitHub
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@ -56,12 +56,12 @@ the user doesn't care about years-old historical data, so we can fast-sync quick
state of the network. To do so: state of the network. To do so:
``` ```
$ geth --fast --cache=512 console $ geth --cache=512 console
``` ```
This command will: This command will:
* Start geth in fast sync mode (`--fast`), causing it to download more data in exchange for avoiding * Start geth in fast sync mode (default, can be changed with the `--syncmode` flag), causing it to download more data in exchange for avoiding
processing the entire history of the Ethereum network, which is very CPU intensive. processing the entire history of the Ethereum network, which is very CPU intensive.
* Bump the memory allowance of the database to 512MB (`--cache=512`), which can help significantly in * Bump the memory allowance of the database to 512MB (`--cache=512`), which can help significantly in
sync times especially for HDD users. This flag is optional and you can set it as high or as low as sync times especially for HDD users. This flag is optional and you can set it as high or as low as
@ -80,10 +80,10 @@ entire system. In other words, instead of attaching to the main network, you wan
network with your node, which is fully equivalent to the main network, but with play-Ether only. network with your node, which is fully equivalent to the main network, but with play-Ether only.
``` ```
$ geth --testnet --fast --cache=512 console $ geth --testnet --cache=512 console
``` ```
The `--fast`, `--cache` flags and `console` subcommand have the exact same meaning as above and they The `--cache` flags and `console` subcommand have the exact same meaning as above and they
are equally useful on the testnet too. Please see above for their explanations if you've skipped to are equally useful on the testnet too. Please see above for their explanations if you've skipped to
here. here.
@ -125,10 +125,10 @@ One of the quickest ways to get Ethereum up and running on your machine is by us
``` ```
docker run -d --name ethereum-node -v /Users/alice/ethereum:/root \ docker run -d --name ethereum-node -v /Users/alice/ethereum:/root \
-p 8545:8545 -p 30303:30303 \ -p 8545:8545 -p 30303:30303 \
ethereum/client-go --fast --cache=512 ethereum/client-go --cache=512
``` ```
This will start geth in fast sync mode with a DB memory allowance of 512MB just as the above command does. It will also create a persistent volume in your home directory for saving your blockchain as well as map the default ports. There is also an `alpine` tag available for a slim version of the image. This will start geth in fast-sync mode with a DB memory allowance of 512MB just as the above command does. It will also create a persistent volume in your home directory for saving your blockchain as well as map the default ports. There is also an `alpine` tag available for a slim version of the image.
Do not forget `--rpcaddr 0.0.0.0`, if you want to access RPC from other containers and/or hosts. By default, `geth` binds to the local interface and RPC endpoints is not accessible from the outside. Do not forget `--rpcaddr 0.0.0.0`, if you want to access RPC from other containers and/or hosts. By default, `geth` binds to the local interface and RPC endpoints is not accessible from the outside.