Modernize mongodb docs
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Daniel Nelson
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# Telegraf plugin: MongoDB
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# MongoDB Input Plugin
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#### Configuration
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### Configuration:
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```toml
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[[inputs.mongodb]]
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@ -10,7 +10,9 @@
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## mongodb://user:auth_key@10.10.3.30:27017,
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## mongodb://10.10.3.33:18832,
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servers = ["mongodb://127.0.0.1:27017"]
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gather_perdb_stats = false
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## When true, collect per database stats
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# gather_perdb_stats = false
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## Optional SSL Config
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# ssl_ca = "/etc/telegraf/ca.pem"
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@ -27,7 +29,58 @@ command the you will get this error on telegraf
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Error in input [mongodb]: not authorized on admin to execute command { serverStatus: 1, recordStats: 0 }
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```
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#### Description
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### Metrics:
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- mongodb
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- tags:
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- hostname
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- fields:
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- active_reads (integer)
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- active_writes (integer)
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- commands_per_sec (integer)
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- deletes_per_sec (integer)
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- flushes_per_sec (integer)
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- getmores_per_sec (integer)
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- inserts_per_sec (integer)
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- jumbo_chunks (integer)
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- member_status (string)
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- net_in_bytes (integer)
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- net_out_bytes (integer)
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- open_connections (integer)
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- percent_cache_dirty (float)
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- percent_cache_used (float)
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- queries_per_sec (integer)
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- queued_reads (integer)
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- queued_writes (integer)
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- repl_commands_per_sec (integer)
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- repl_deletes_per_sec (integer)
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- repl_getmores_per_sec (integer)
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- repl_inserts_per_sec (integer)
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- repl_lag (integer)
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- repl_queries_per_sec (integer)
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- repl_updates_per_sec (integer)
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- resident_megabytes (integer)
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- state (string)
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- total_available (integer)
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- total_created (integer)
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- total_in_use (integer)
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- total_refreshing (integer)
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- ttl_deletes_per_sec (integer)
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- ttl_passes_per_sec (integer)
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- updates_per_sec (integer)
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- vsize_megabytes (integer)
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- wtcache_app_threads_page_read_count (integer)
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- wtcache_app_threads_page_read_time (integer)
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- wtcache_app_threads_page_write_count (integer)
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- wtcache_bytes_read_into (integer)
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- wtcache_bytes_written_from (integer)
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- wtcache_current_bytes (integer)
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- wtcache_max_bytes_configured (integer)
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- wtcache_pages_evicted_by_app_thread (integer)
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- wtcache_pages_queued_for_eviction (integer)
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- wtcache_server_evicting_pages (integer)
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- wtcache_tracked_dirty_bytes (integer)
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- wtcache_worker_thread_evictingpages (integer)
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The telegraf plugin collects mongodb stats exposed by serverStatus and few more
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and create a single measurement containing values e.g.
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@ -58,15 +111,24 @@ and create a single measurement containing values e.g.
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* repl_lag
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* repl_oplog_window_s
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* jumbo_chunks (only if mongos or mongo config)
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- mongodb_db_stats
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- tags:
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- db_name
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- hostname
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- fields:
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- avg_obj_size (float)
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- collections (integer)
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- data_size (integer)
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- index_size (integer)
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- indexes (integer)
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- num_extents (integer)
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- objects (integer)
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- ok (integer)
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- storage_size (integer)
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- type (string)
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If gather_db_stats is set to true, it will also collect per database stats exposed by db.stats()
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creating another measurement called mongodb_db_stats and containing values:
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* collections
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* objects
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* avg_obj_size
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* data_size
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* storage_size
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* num_extents
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* indexes
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* index_size
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* ok
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### Example Output:
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```
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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
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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
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```
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@ -45,7 +45,9 @@ var sampleConfig = `
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## mongodb://user:auth_key@10.10.3.30:27017,
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## mongodb://10.10.3.33:18832,
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servers = ["mongodb://127.0.0.1:27017"]
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gather_perdb_stats = false
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## When true, collect per database stats
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# gather_perdb_stats = false
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## Optional SSL Config
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# ssl_ca = "/etc/telegraf/ca.pem"
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