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docs: Removes accounts-on-ramdisk section (#33655)

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Brooks 2023-10-11 10:39:09 -04:00 committed by GitHub
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docs/src/running-validator/validator-start.md
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@ -431,40 +431,6 @@ solana-validator ..."); otherwise, when logrotate sends its signal to the
validator, the enclosing script will die and take the validator process with
it.
### Using a ramdisk with spill-over into swap for the accounts database to reduce SSD wear
If your machine has plenty of RAM, a tmpfs ramdisk
([tmpfs](https://man7.org/linux/man-pages/man5/tmpfs.5.html)) may be used to hold
the accounts database
When using tmpfs it's essential to also configure swap on your machine as well to
avoid running out of tmpfs space periodically.
A 300GB tmpfs partition is recommended, with an accompanying 250GB swap
partition.
Example configuration:
1. `sudo mkdir /mnt/solana-accounts`
2. Add a 300GB tmpfs partition by adding a new line containing `tmpfs /mnt/solana-accounts tmpfs rw,size=300G,user=sol 0 0` to `/etc/fstab`
(assuming your validator is running under the user "sol"). **CAREFUL: If you
incorrectly edit /etc/fstab your machine may no longer boot**
3. Create at least 250GB of swap space
- Choose a device to use in place of `SWAPDEV` for the remainder of these instructions.
Ideally select a free disk partition of 250GB or greater on a fast disk. If one is not
available, create a swap file with `sudo dd if=/dev/zero of=/swapfile bs=1MiB count=250KiB`,
set its permissions with `sudo chmod 0600 /swapfile` and use `/swapfile` as `SWAPDEV` for
the remainder of these instructions
- Format the device for usage as swap with `sudo mkswap SWAPDEV`
4. Add the swap file to `/etc/fstab` with a new line containing `SWAPDEV swap swap defaults 0 0`
5. Enable swap with `sudo swapon -a` and mount the tmpfs with `sudo mount /mnt/solana-accounts/`
6. Confirm swap is active with `free -g` and the tmpfs is mounted with `mount`
Now add the `--accounts /mnt/solana-accounts` argument to your `solana-validator`
command-line arguments and restart the validator.
### Account indexing
As the number of populated accounts on the cluster grows, account-data RPC