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README.md
couchdb.go
couchdb_test.go

README.md

CouchDB Input Plugin


The CouchDB plugin gathers metrics of CouchDB using _stats endpoint.

Configuration:

# Sample Config:
[[inputs.couchdb]]
  hosts = ["http://localhost:5984/_stats"]

Measurements & Fields:

Statistics specific to the internals of CouchDB:

  • couchdb_auth_cache_misses
  • couchdb_database_writes
  • couchdb_open_databases
  • couchdb_auth_cache_hits
  • couchdb_request_time
  • couchdb_database_reads
  • couchdb_open_os_files

Statistics of HTTP requests by method:

  • httpd_request_methods_put
  • httpd_request_methods_get
  • httpd_request_methods_copy
  • httpd_request_methods_delete
  • httpd_request_methods_post
  • httpd_request_methods_head

Statistics of HTTP requests by response code:

  • httpd_status_codes_200
  • httpd_status_codes_201
  • httpd_status_codes_202
  • httpd_status_codes_301
  • httpd_status_codes_304
  • httpd_status_codes_400
  • httpd_status_codes_401
  • httpd_status_codes_403
  • httpd_status_codes_404
  • httpd_status_codes_405
  • httpd_status_codes_409
  • httpd_status_codes_412
  • httpd_status_codes_500

httpd statistics:

  • httpd_clients_requesting_changes
  • httpd_temporary_view_reads
  • httpd_requests
  • httpd_bulk_requests
  • httpd_view_reads

Tags:

  • server (url of the couchdb _stats endpoint)

Example output:

Post Couchdb 2.0

couchdb,server=http://couchdb22:5984/_node/_local/_stats couchdb_auth_cache_hits_value=0,httpd_request_methods_delete_value=0,couchdb_auth_cache_misses_value=0,httpd_request_methods_get_value=42,httpd_status_codes_304_value=0,httpd_status_codes_400_value=0,httpd_request_methods_head_value=0,httpd_status_codes_201_value=0,couchdb_database_reads_value=0,httpd_request_methods_copy_value=0,couchdb_request_time_max=0,httpd_status_codes_200_value=42,httpd_status_codes_301_value=0,couchdb_open_os_files_value=2,httpd_request_methods_put_value=0,httpd_request_methods_post_value=0,httpd_status_codes_202_value=0,httpd_status_codes_403_value=0,httpd_status_codes_409_value=0,couchdb_database_writes_value=0,couchdb_request_time_min=0,httpd_status_codes_412_value=0,httpd_status_codes_500_value=0,httpd_status_codes_401_value=0,httpd_status_codes_404_value=0,httpd_status_codes_405_value=0,couchdb_open_databases_value=0 1536707179000000000

Pre Couchdb 2.0

couchdb,server=http://couchdb16:5984/_stats couchdb_request_time_sum=96,httpd_status_codes_200_sum=37,httpd_status_codes_200_min=0,httpd_requests_mean=0.005,httpd_requests_min=0,couchdb_request_time_stddev=3.833,couchdb_request_time_min=1,httpd_request_methods_get_stddev=0.073,httpd_request_methods_get_min=0,httpd_status_codes_200_mean=0.005,httpd_status_codes_200_max=1,httpd_requests_sum=37,couchdb_request_time_current=96,httpd_request_methods_get_sum=37,httpd_request_methods_get_mean=0.005,httpd_request_methods_get_max=1,httpd_status_codes_200_stddev=0.073,couchdb_request_time_mean=2.595,couchdb_request_time_max=25,httpd_request_methods_get_current=37,httpd_status_codes_200_current=37,httpd_requests_current=37,httpd_requests_stddev=0.073,httpd_requests_max=1 1536707179000000000