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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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10
docs/src/integrations/exchange.md
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@ -44,7 +44,15 @@ Customize `--ledger` to your desired ledger storage location, and `--rpc-port` t
The `--entrypoint` and `--expected-genesis-hash` parameters are all specific to the cluster you are joining. The `--entrypoint` and `--expected-genesis-hash` parameters are all specific to the cluster you are joining.
[Current parameters for Mainnet Beta](../clusters.md#example-solana-validator-command-line-2) [Current parameters for Mainnet Beta](../clusters.md#example-solana-validator-command-line-2)
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 default value is good for at least a couple days but larger values may be used by adding an argument to `--limit-ledger-size` if desired. Check `solana-validator --help` for the default limit value used by `--limit-ledger-size` 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 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).
Specifying one or more `--trusted-validator` parameters can protect you from booting from a malicious snapshot. [More on the value of booting with trusted validators](../running-validator/validator-start.md#trusted-validators) Specifying one or more `--trusted-validator` parameters can protect you from booting from a malicious snapshot. [More on the value of booting with trusted validators](../running-validator/validator-start.md#trusted-validators)

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. the validator to ports 11000-11010.
### Limiting ledger size to conserve disk space ### 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 The default value attempts to keep the ledger disk usage under 500GB. More or
last couple hours of ledger. To retain the full ledger, simply remove that arg. 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 ### Systemd Unit
Running the validator as a systemd unit is one easy way to manage running in the Running the validator as a systemd unit is one easy way to manage running in the