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66 lines
1.9 KiB
Markdown
66 lines
1.9 KiB
Markdown
## `lustrestat` collector
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```json
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"lustrestat": {
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"lctl_command": "/path/to/lctl",
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"exclude_metrics": [
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"lustre_setattr",
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"lustre_getattr"
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],
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"only_metrics": [
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"lustre_read_bytes",
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"lustre_read_bytes_diff",
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"lustre_read_bw",
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"lustre_open",
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"lustre_open_diff"
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],
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"send_abs_values": true,
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"send_diff_values": true,
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"send_derived_values": true,
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"use_sudo": false
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}
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```
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The `lustrestat` collector uses the `lctl` application with the `get_param` option to get all `llite` metrics (Lustre client). The `llite` metrics are only available for root users. If password-less sudo is configured, you can enable `sudo` in the configuration.
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At least one of the settings for absolute, diff, and derived values must be set to true.
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Both filtering mechanisms are supported:
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- `exclude_metrics`: Excludes the specified metrics.
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- `only_metrics`: If provided, only the listed metrics are collected. This takes precedence over `exclude_metrics`.
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Metrics are categorized as follows:
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**Absolute Metrics:**
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- `lustre_read_bytes` (unit: `bytes`)
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- `lustre_read_requests` (unit: `requests`)
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- `lustre_write_bytes` (unit: `bytes`)
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- `lustre_write_requests` (unit: `requests`)
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- `lustre_open`
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- `lustre_close`
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- `lustre_getattr`
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- `lustre_setattr`
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- `lustre_statfs`
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- `lustre_inode_permission`
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**Diff Metrics:**
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- `lustre_read_bytes_diff` (unit: `bytes`)
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- `lustre_read_requests_diff` (unit: `requests`)
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- `lustre_write_bytes_diff` (unit: `bytes`)
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- `lustre_write_requests_diff` (unit: `requests`)
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- `lustre_open_diff`
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- `lustre_close_diff`
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- `lustre_getattr_diff`
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- `lustre_setattr_diff`
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- `lustre_statfs_diff`
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- `lustre_inode_permission_diff`
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**Derived Metrics:**
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- `lustre_read_bw` (unit: `bytes/sec`)
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- `lustre_write_bw` (unit: `bytes/sec`)
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- `lustre_read_requests_rate` (unit: `requests/sec`)
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- `lustre_write_requests_rate` (unit: `requests/sec`)
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This collector adds a `device` tag.
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