MongoDB Input Plugin

Configuration:

[[inputs.mongodb]]
  ## An array of URLs of the form:
  ##   "mongodb://" [user ":" pass "@"] host [ ":" port]
  ## For example:
  ##   mongodb://user:auth_key@10.10.3.30:27017,
  ##   mongodb://10.10.3.33:18832,
  servers = ["mongodb://127.0.0.1:27017"]

  ## When true, collect per database stats
  # gather_perdb_stats = false

  ## Optional SSL Config
  # ssl_ca = "/etc/telegraf/ca.pem"
  # ssl_cert = "/etc/telegraf/cert.pem"
  # ssl_key = "/etc/telegraf/key.pem"
  ## Use SSL but skip chain & host verification
  # insecure_skip_verify = false

This connection uri may be different based on your environment and mongodb setup. If the user doesn't have the required privilege to execute serverStatus command the you will get this error on telegraf

Error in input [mongodb]: not authorized on admin to execute command { serverStatus: 1, recordStats: 0 }

Metrics:

mongodb
- tags:
  - hostname
- fields:
  - active_reads (integer)
  - active_writes (integer)
  - commands_per_sec (integer)
  - deletes_per_sec (integer)
  - flushes_per_sec (integer)
  - getmores_per_sec (integer)
  - inserts_per_sec (integer)
  - jumbo_chunks (integer)
  - member_status (string)
  - net_in_bytes (integer)
  - net_out_bytes (integer)
  - open_connections (integer)
  - percent_cache_dirty (float)
  - percent_cache_used (float)
  - queries_per_sec (integer)
  - queued_reads (integer)
  - queued_writes (integer)
  - repl_commands_per_sec (integer)
  - repl_deletes_per_sec (integer)
  - repl_getmores_per_sec (integer)
  - repl_inserts_per_sec (integer)
  - repl_lag (integer)
  - repl_queries_per_sec (integer)
  - repl_updates_per_sec (integer)
  - resident_megabytes (integer)
  - state (string)
  - total_available (integer)
  - total_created (integer)
  - total_in_use (integer)
  - total_refreshing (integer)
  - ttl_deletes_per_sec (integer)
  - ttl_passes_per_sec (integer)
  - updates_per_sec (integer)
  - vsize_megabytes (integer)
  - wtcache_app_threads_page_read_count (integer)
  - wtcache_app_threads_page_read_time (integer)
  - wtcache_app_threads_page_write_count (integer)
  - wtcache_bytes_read_into (integer)
  - wtcache_bytes_written_from (integer)
  - wtcache_current_bytes (integer)
  - wtcache_max_bytes_configured (integer)
  - wtcache_pages_evicted_by_app_thread (integer)
  - wtcache_pages_queued_for_eviction (integer)
  - wtcache_server_evicting_pages (integer)
  - wtcache_tracked_dirty_bytes (integer)
  - wtcache_worker_thread_evictingpages (integer)

The telegraf plugin collects mongodb stats exposed by serverStatus and few more and create a single measurement containing values e.g.

active_reads
active_writes
commands_per_sec
deletes_per_sec
flushes_per_sec
getmores_per_sec
inserts_per_sec
net_in_bytes
net_out_bytes
open_connections
percent_cache_dirty
percent_cache_used
queries_per_sec
queued_reads
queued_writes
resident_megabytes
updates_per_sec
vsize_megabytes
total_in_use
total_available
total_created
total_refreshing
ttl_deletes_per_sec
ttl_passes_per_sec
repl_lag
repl_oplog_window_s
jumbo_chunks (only if mongos or mongo config)

mongodb_db_stats
- tags:
  - db_name
  - hostname
- fields:
  - avg_obj_size (float)
  - collections (integer)
  - data_size (integer)
  - index_size (integer)
  - indexes (integer)
  - num_extents (integer)
  - objects (integer)
  - ok (integer)
  - storage_size (integer)
  - type (string)

Example Output:

mongodb,hostname=127.0.0.1:27017 active_reads=0i,active_writes=0i,commands_per_sec=6i,deletes_per_sec=0i,flushes_per_sec=0i,getmores_per_sec=1i,inserts_per_sec=0i,jumbo_chunks=0i,member_status="PRI",net_in_bytes=851i,net_out_bytes=23904i,open_connections=6i,percent_cache_dirty=0,percent_cache_used=0,queries_per_sec=2i,queued_reads=0i,queued_writes=0i,repl_commands_per_sec=0i,repl_deletes_per_sec=0i,repl_getmores_per_sec=0i,repl_inserts_per_sec=0i,repl_lag=0i,repl_queries_per_sec=0i,repl_updates_per_sec=0i,resident_megabytes=67i,state="PRIMARY",total_available=0i,total_created=0i,total_in_use=0i,total_refreshing=0i,ttl_deletes_per_sec=0i,ttl_passes_per_sec=0i,updates_per_sec=0i,vsize_megabytes=729i,wtcache_app_threads_page_read_count=4i,wtcache_app_threads_page_read_time=18i,wtcache_app_threads_page_write_count=6i,wtcache_bytes_read_into=10075i,wtcache_bytes_written_from=115711i,wtcache_current_bytes=86038i,wtcache_max_bytes_configured=1073741824i,wtcache_pages_evicted_by_app_thread=0i,wtcache_pages_queued_for_eviction=0i,wtcache_server_evicting_pages=0i,wtcache_tracked_dirty_bytes=0i,wtcache_worker_thread_evictingpages=0i 1522798796000000000
mongodb_db_stats,db_name=local,hostname=127.0.0.1:27017 avg_obj_size=818.625,collections=5i,data_size=6549i,index_size=86016i,indexes=4i,num_extents=0i,objects=8i,ok=1i,storage_size=118784i,type="db_stat" 1522799074000000000

4.9 KiB Raw Blame History

MongoDB Input Plugin

Configuration:

Metrics:

Example Output:

4.9 KiB

Raw Blame History