Merging upstream version 1.43.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 136 insertions, 0 deletions

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+<!--startmeta
+custom_edit_url: "https://github.com/netdata/netdata/edit/master/collectors/proc.plugin/integrations/btrfs.md"
+meta_yaml: "https://github.com/netdata/netdata/edit/master/collectors/proc.plugin/metadata.yaml"
+sidebar_label: "BTRFS"
+learn_status: "Published"
+learn_rel_path: "Data Collection/Linux Systems/Filesystem/BTRFS"
+message: "DO NOT EDIT THIS FILE DIRECTLY, IT IS GENERATED BY THE COLLECTOR'S metadata.yaml FILE"
+endmeta-->
+
+# BTRFS
+
+
+<img src="https://netdata.cloud/img/filesystem.svg" width="150"/>
+
+
+Plugin: proc.plugin
+Module: /sys/fs/btrfs
+
+<img src="https://img.shields.io/badge/maintained%20by-Netdata-%2300ab44" />
+
+## Overview
+
+This integration provides usage and error statistics from the BTRFS filesystem.
+
+
+
+This collector is supported on all platforms.
+
+This collector supports collecting metrics from multiple instances of this integration, including remote instances.
+
+
+### Default Behavior
+
+#### Auto-Detection
+
+This integration doesn't support auto-detection.
+
+#### Limits
+
+The default configuration for this integration does not impose any limits on data collection.
+
+#### Performance Impact
+
+The default configuration for this integration is not expected to impose a significant performance impact on the system.
+
+
+## Metrics
+
+Metrics grouped by *scope*.
+
+The scope defines the instance that the metric belongs to. An instance is uniquely identified by a set of labels.
+
+
+
+### Per btrfs filesystem
+
+
+
+Labels:
+
+| Label      | Description     |
+|:-----------|:----------------|
+| filesystem_uuid | TBD |
+| filesystem_label | TBD |
+
+Metrics:
+
+| Metric | Dimensions | Unit |
+|:------|:----------|:----|
+| btrfs.disk | unallocated, data_free, data_used, meta_free, meta_used, sys_free, sys_used | MiB |
+| btrfs.data | free, used | MiB |
+| btrfs.metadata | free, used, reserved | MiB |
+| btrfs.system | free, used | MiB |
+| btrfs.commits | commits | commits |
+| btrfs.commits_perc_time | commits | percentage |
+| btrfs.commit_timings | last, max | ms |
+
+### Per btrfs device
+
+
+
+Labels:
+
+| Label      | Description     |
+|:-----------|:----------------|
+| device_id | TBD |
+| filesystem_uuid | TBD |
+| filesystem_label | TBD |
+
+Metrics:
+
+| Metric | Dimensions | Unit |
+|:------|:----------|:----|
+| btrfs.device_errors | write_errs, read_errs, flush_errs, corruption_errs, generation_errs | errors |
+
+
+
+## Alerts
+
+
+The following alerts are available:
+
+| Alert name  | On metric | Description |
+|:------------|:----------|:------------|
+| [ btrfs_allocated ](https://github.com/netdata/netdata/blob/master/health/health.d/btrfs.conf) | btrfs.disk | percentage of allocated BTRFS physical disk space |
+| [ btrfs_data ](https://github.com/netdata/netdata/blob/master/health/health.d/btrfs.conf) | btrfs.data | utilization of BTRFS data space |
+| [ btrfs_metadata ](https://github.com/netdata/netdata/blob/master/health/health.d/btrfs.conf) | btrfs.metadata | utilization of BTRFS metadata space |
+| [ btrfs_system ](https://github.com/netdata/netdata/blob/master/health/health.d/btrfs.conf) | btrfs.system | utilization of BTRFS system space |
+| [ btrfs_device_read_errors ](https://github.com/netdata/netdata/blob/master/health/health.d/btrfs.conf) | btrfs.device_errors | number of encountered BTRFS read errors |
+| [ btrfs_device_write_errors ](https://github.com/netdata/netdata/blob/master/health/health.d/btrfs.conf) | btrfs.device_errors | number of encountered BTRFS write errors |
+| [ btrfs_device_flush_errors ](https://github.com/netdata/netdata/blob/master/health/health.d/btrfs.conf) | btrfs.device_errors | number of encountered BTRFS flush errors |
+| [ btrfs_device_corruption_errors ](https://github.com/netdata/netdata/blob/master/health/health.d/btrfs.conf) | btrfs.device_errors | number of encountered BTRFS corruption errors |
+| [ btrfs_device_generation_errors ](https://github.com/netdata/netdata/blob/master/health/health.d/btrfs.conf) | btrfs.device_errors | number of encountered BTRFS generation errors |
+
+
+## Setup
+
+### Prerequisites
+
+No action required.
+
+### Configuration
+
+#### File
+
+There is no configuration file.
+#### Options
+
+
+
+There are no configuration options.
+
+#### Examples
+There are no configuration examples.
+
+