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CartoDB-SQL-API/doc/metrics.md

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CartoDB-SQL-API metrics

Timers

  • sqlapi.query: time to return a query resultset from the API, splitted into:
    • sqlapi.query.init: time to prepare params from the request
    • sqlapi.query.getDatabaseName: time to retrieve the database associated to the query
    • sqlapi.query.verifyRequest_apikey: time to retrieve user and verify access with api key
    • sqlapi.query.verifyRequest_oauth: time to retrieve user and verify access with oauht
    • sqlapi.query.getUserDBHost: time to retrieve the host for the database
    • sqlapi.query.getUserDBPass: time to retrieve the user password for the database connection
    • sqlapi.query.queryExplain: time to retrieve affected tables from the query
    • sqlapi.query.setHeaders: time to set the headers
    • sqlapi.query.sendResponse: time to start sending the response.
    • sqlapi.query.finish: time to handle an exception
    • sqlapi.query.startStreaming: (json) time to start streaming, from the moment the query it was requested.
      • It's not getting into graphite right now.
    • sqlapi.query.gotRows: (json) Time until it finished processing all rows in the resultset.
      • It's sharing the key with pg so stats in graphite can have mixed numbers.
    • sqlapi.query.endStreaming (json) Time to finish the preparation of the response data.
      • It's not getting into graphite right now.
    • sqlapi.query.generate: (ogr) Time to prepare and generate a response from ogr
    • sqlapi.query.gotRows: (pg) Time until it finished processing all rows in the resultset.
      • It's sharing the key with json so stats in graphite can have mixed numbers.
    • sqlapi.query.packageResult: (pg) Time to transform between different formats
      • It's not getting into graphite right now.
    • sqlapi.query.eventedQuery: (pg) Time to prepare and execute the query

Counters

  • sqlapi.query.success: number of successful queries
  • sqlapi.query.error: number of failed queries