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Add more info for --limit-ledger-size (#13021)

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(cherry picked from commit de04a208c7)

Co-authored-by: Michael Vines <mvines@gmail.com>
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mergify[bot]
2020-10-20 17:50:11 +00:00
committed by GitHub
parent 94cad9873c
commit 9e95d0fb58
2 changed files with 19 additions and 4 deletions
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13
docs/src/running-validator/validator-start.md
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@@ -284,10 +284,17 @@ example, `solana-validator --dynamic-port-range 11000-11010 ...` will restrict
the validator to ports 11000-11010.
### Limiting ledger size to conserve disk space
The `--limit-ledger-size` parameter allows you to specify how many ledger
[shreds](../terminology.md#shred) your node retains on disk. If you do not
include this parameter, the validator will keep the entire ledger until it runs
out of disk space.
The `--limit-ledger-size` argument will instruct the validator to only retain the
last couple hours of ledger. To retain the full ledger, simply remove that arg.
The default value attempts to keep the ledger disk usage under 500GB. More or
less disk usage may be requested by adding an argument to `--limit-ledger-size`
if desired. Check `solana-validator --help` for the default limit value used by
`--limit-ledger-size`. More information about
selecting a custom limit value is [available
here](https://github.com/solana-labs/solana/blob/583cec922b6107e0f85c7e14cb5e642bc7dfb340/core/src/ledger_cleanup_service.rs#L15-L26).
### Systemd Unit
Running the validator as a systemd unit is one easy way to manage running in the