39 lines
1.7 KiB
Markdown
39 lines
1.7 KiB
Markdown
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# Description
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This role configures a Systemd timer which generates Nimbus ERA files weekly.
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The purpose of those is to save space by sharing the same historical data between nodes.
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Read more about ERA files [here](https://github.com/status-im/nimbus-eth2/blob/unstable/docs/e2store.md#era-files).
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# Configuration
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```yaml
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nimbus_era_files_timer_name: 'nimbus-era-files-update'
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nimbus_era_files_timer_path: '/data/era'
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nimbus_era_files_nclidb_path: '/data/nimbus/repo/build/bin/ncli_db'
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nimbus_era_files_db_path: '/data/nimbus/data/db'
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```
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# Management
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The timer runs weekly with 12h random delay by default, but you can start it manually:
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```
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> systemctl -o cat status nimbus-era-files-update
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● nimbus-era-files-update.service - Update Nimbus beacon node ERA files
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Loaded: loaded (/etc/systemd/system/nimbus-era-files-update.service; static; vendor preset: enabled)
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Active: inactive (dead) since Wed 2022-07-13 20:22:16 UTC; 2h 31min ago
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TriggeredBy: ● nimbus-era-files-update.timer
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Docs: https://github.com/status-im/infra-role-systemd-timer
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Process: 153635 ExecStart=/data/beacon-node-mainnet-stable-01/repo/build/ncli_db exportEra --db=/data/beacon-node-mainnet-stable-01/data/shared_mainnet_0/db (code=exited, status=0/SUCCESS)
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Main PID: 153635 (code=exited, status=0/SUCCESS)
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Written all complete eras
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All time are ms
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Average, StdDev, Min, Max, Samples, Test
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565.673, 41.529, 486.430, 635.203, 45, tState
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1107.374, 147.118, 685.914, 1293.401, 45, tBlocks
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nimbus-era-files-update.service: Succeeded.
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Finished Update Nimbus beacon node ERA files.
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```
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