lustre2

Lustre Input Plugin

This plugin gathers metrics for the Lustre® file system using its entries in the proc filesystem. Reference the Lustre Monitoring and Statistics Guide for the reported information.

[!NOTE] This plugin doesn't report all information available but only a limited set of items. Check the metrics section.

⭐ Telegraf v0.1.5 🏷️ system 💻 linux

Global configuration options

Plugins support additional global and plugin configuration settings for tasks such as modifying metrics, tags, and fields, creating aliases, and configuring plugin ordering. See CONFIGURATION.md for more details.

Configuration

# Read metrics from local Lustre service on OST, MDS
# This plugin ONLY supports Linux
[[inputs.lustre2]]
  ## An array of /proc globs to search for Lustre stats
  ## If not specified, the default will work on Lustre 2.12.x
  ##
  # mgs_procfiles = [
  #   "/sys/fs/lustre/mgs/*/eviction_count",
  # ]
  # ost_procfiles = [
  #   "/proc/fs/lustre/obdfilter/*/stats",
  #   "/proc/fs/lustre/osd-ldiskfs/*/stats",
  #   "/proc/fs/lustre/obdfilter/*/job_stats",
  #   "/proc/fs/lustre/obdfilter/*/exports/*/stats",
  #   "/proc/fs/lustre/osd-ldiskfs/*/brw_stats",
  #   "/proc/fs/lustre/osd-zfs/*/brw_stats",
  #   "/sys/fs/lustre/odbfilter/*/eviction_count",
  # ]
  # mds_procfiles = [
  #   "/proc/fs/lustre/mdt/*/md_stats",
  #   "/proc/fs/lustre/mdt/*/job_stats",
  #   "/proc/fs/lustre/mdt/*/exports/*/stats",
  #   "/proc/fs/lustre/osd-ldiskfs/*/brw_stats",
  #   "/proc/fs/lustre/osd-zfs/*/brw_stats",
  #   "/sys/fs/lustre/mdt/*/eviction_count",
  # ]

Metrics

From /sys/fs/lustre/health_check:

• lustre2
  • tags:
  • fields:
    • health

From /proc/fs/lustre/obdfilter/*/stats and /proc/fs/lustre/osd-ldiskfs/*/stats:

• lustre2
  • tags:
    • name
  • fields:
    • write_bytes
    • write_calls
    • read_bytes
    • read_calls
    • cache_hit
    • cache_miss
    • cache_access

From /proc/fs/lustre/obdfilter/*/exports/*/stats:

• lustre2
  • tags:
    • name
    • client
  • fields:
    • write_bytes
    • write_calls
    • read_bytes
    • read_calls

From /proc/fs/lustre/obdfilter/*/job_stats:

• lustre2
  • tags:
    • name
    • jobid
  • fields:
    • jobstats_ost_getattr
    • jobstats_ost_setattr
    • jobstats_ost_sync
    • jobstats_punch
    • jobstats_destroy
    • jobstats_create
    • jobstats_ost_statfs
    • jobstats_get_info
    • jobstats_set_info
    • jobstats_quotactl
    • jobstats_read_bytes
    • jobstats_read_calls
    • jobstats_read_max_size
    • jobstats_read_min_size
    • jobstats_write_bytes
    • jobstats_write_calls
    • jobstats_write_max_size
    • jobstats_write_min_size

From /proc/fs/lustre/mdt/*/md_stats:

• lustre2
  • tags:
    • name
  • fields:
    • open
    • close
    • mknod
    • link
    • unlink
    • mkdir
    • rmdir
    • rename
    • getattr
    • setattr
    • getxattr
    • setxattr
    • statfs
    • sync
    • samedir_rename
    • crossdir_rename

From /proc/fs/lustre/mdt/*/exports/*/stats:

• lustre2
  • tags:
    • name
    • client
  • fields:
    • open
    • close
    • mknod
    • link
    • unlink
    • mkdir
    • rmdir
    • rename
    • getattr
    • setattr
    • getxattr
    • setxattr
    • statfs
    • sync
    • samedir_rename
    • crossdir_rename

From /proc/fs/lustre/mdt/*/job_stats:

• lustre2
  • tags:
    • name
    • jobid
  • fields:
    • jobstats_close
    • jobstats_crossdir_rename
    • jobstats_getattr
    • jobstats_getxattr
    • jobstats_link
    • jobstats_mkdir
    • jobstats_mknod
    • jobstats_open
    • jobstats_rename
    • jobstats_rmdir
    • jobstats_samedir_rename
    • jobstats_setattr
    • jobstats_setxattr
    • jobstats_statfs
    • jobstats_sync
    • jobstats_unlink

From /proc/fs/lustre/*/*/eviction_count:

• lustre2
  • tags:
    • name
  • fields:
    • evictions

Example Output

lustre2,host=oss2,jobid=42990218,name=wrk-OST0041 jobstats_ost_setattr=0i,jobstats_ost_sync=0i,jobstats_punch=0i,jobstats_read_bytes=4096i,jobstats_read_calls=1i,jobstats_read_max_size=4096i,jobstats_read_min_size=4096i,jobstats_write_bytes=310206488i,jobstats_write_calls=7423i,jobstats_write_max_size=53048i,jobstats_write_min_size=8820i 1556525847000000000
lustre2,host=mds1,jobid=42992017,name=wrk-MDT0000 jobstats_close=31798i,jobstats_crossdir_rename=0i,jobstats_getattr=34146i,jobstats_getxattr=15i,jobstats_link=0i,jobstats_mkdir=658i,jobstats_mknod=0i,jobstats_open=31797i,jobstats_rename=0i,jobstats_rmdir=0i,jobstats_samedir_rename=0i,jobstats_setattr=1788i,jobstats_setxattr=0i,jobstats_statfs=0i,jobstats_sync=0i,jobstats_unlink=0i 1556525828000000000