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Add a ramdisk section to the validator start guide (#13927)

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(cherry picked from commit 5bfe93e74c)

Co-authored-by: Michael Vines <mvines@gmail.com>
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mergify[bot]
2020-12-02 21:37:59 +00:00
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parent 9899e6fb39
commit 44315895cf
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docs/src/running-validator/validator-start.md
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@ -366,3 +366,18 @@ systemctl restart logrotate.service
Once your validator is operating normally, you can reduce the time it takes to Once your validator is operating normally, you can reduce the time it takes to
restart your validator by adding the `--no-port-check` flag to your restart your validator by adding the `--no-port-check` flag to your
`solana-validator` command-line. `solana-validator` command-line.
### Using a ramdisk for the accounts database to reduce SSD wear
If your machine has plenty of RAM, a ramdisk
([tmpfs](https://man7.org/linux/man-pages/man5/tmpfs.5.html)) may be used to hold
the accounts database.
Assuming your tmpfs ramdisk is mounted at `/mnt/solana-accounts` and writable
by the validator user, add the `--accounts /mnt/solana-accounts` argument to
your validator command-line to use it. Once your validator restarts, you should
now see activity in `/mnt/solana-accounts` instead of the `accounts/`
subdirectory of your ledger (`--ledger` argument) directory.
For Mainnet Beta it's recommended that a ramdisk of 64GB be used. Note that if
your machine has less than 100GB of RAM in total, using a ramdisk is not
recommended.