CouchDB 1.x Monitoring

CouchDB1.x Monitoring

CouchDB1.x server is an open source, document-oriented NoSQL database that supports massive data storage and management with increased flexibility and scalability as compared to traditional databases. It provides The performance of databases defines the success of organizations in providing the 24x7 level of customer satisfaction and smooth operations of day to day business activities. CouchDB1.x Database Monitor helps you to monitor the performance of database and provide extensive information so that necessary steps can be taken before a breakdown of vital business processes occurs.

Monitored Attributes

Name Units Description
couchdb.by_db.disk_size bytes Disk size per database
couchdb.by_db.doc_count documents Document count per database
couchdb.couchdb.auth_cache_hits hits Number of authentication cache hits
couchdb.couchdb.auth_cache_misses misses Number of authentication cache misses
couchdb.couchdb.database_reads reads Number of times a document was read from a database
couchdb.couchdb.database_writes writes Number of times a document was changed
couchdb.couchdb.open_databases items Number of open databases
couchdb.couchdb.open_os_files files Number of file descriptors CouchDB has open
couchdb.couchdb.request_time seconds Length of a request inside CouchDB without MochiWeb
couchdb.httpd.bulk_requests requests Number of bulk requests
couchdb.httpd.clients_requesting_changes connections Number of clients requesting a change
couchdb.httpd.requests requests Number of HTTP requests
couchdb.httpd.view_reads reads Number of view reads
couchdb.httpd_request_methods.DELETE requests Number of HTTP DELETE requests
couchdb.httpd_request_methods.GET requests Number of HTTP GET requests
couchdb.httpd_request_methods.HEAD requests Number of HTTP HEAD requests
couchdb.httpd_request_methods.POST requests Number of HTTP POST requests
couchdb.httpd_request_methods.PUT requests Number of HTTP PUT requests
couchdb.httpd_status_codes.200 requests Number of HTTP 200 OK responses
couchdb.httpd_status_codes.201 requests Number of HTTP 201 Created responses
couchdb.httpd_status_codes.202 requests Number of HTTP 202 Accepted responses
couchdb.httpd_status_codes.301 requests Number of HTTP 301 Moved Permanently responses
couchdb.httpd_status_codes.304 requests Number of HTTP 304 Not Modified responses
couchdb.httpd_status_codes.400 requests Number of HTTP 400 Bad Request responses
couchdb.httpd_status_codes.401 requests Number of HTTP 401 Unauthorized responses
couchdb.httpd_status_codes.403 requests Number of HTTP 403 Forbidden responses
couchdb.httpd_status_codes.404 requests Number of HTTP 404 Not Found responses
couchdb.httpd_status_codes.405 requests Number of HTTP 405 Method Not Allowed responses
couchdb.httpd_status_codes.409 requests Number of HTTP 409 Conflict responses
couchdb.httpd_status_codes.412 requests Number of HTTP 412 Precondition Failed responses
couchdb.httpd_status_codes.500 requests Number of HTTP 500 Internal Server Error responses

Configuring AppPerfect Agentless Monitor to monitor CouchDB1.x Server

Following steps will explain how you can configure AppPerfect for Monitoring CouchDB1.x Database Resources:

  1. Once you are logged into the Monitor Server you can see the Web-UI from which you can access all the features of the Monitor Server. Click the Monitors link from the top navigation bar. This will take you to Monitors tab. Click on Add button to Add a New NoSQL Monitor.
  2. Next Step is to define the NoSQL Monitor. Provide the IP Address or Host Name of the target database server which needs to be monitored.
  3. Select the NoSQL Monitor Type from the drop down. AppPerfect can monitor NoSQL databases such as CouchDB1.x, CouchDB, MongoDB, Cassandra for performance and robustness. Select the monitor type which suits your requirement.
  4. Specify a meaningful identifier for the monitor which will help identify the monitor in future.
  5. Specify the Data Fetch Interval which represents the time interval for which application should wait before fetching the monitoring data from the device. Monitoring Data will be fetched after every specified fetch interval. The smaller the time interval, the more granular the data. However, smaller time intervals also result in a much larger data set.
  6. You can specify if the monitor should be Active as soon as its added or should it be in suspended state.
  7. Next Option is to provide database specific configuration settings. Provide scheme, username, password and port number on which database server is running. Once you are done providing the database settings, click on Validate Connection button to confirm that CouchDB1.x database is accessible.

    Database Monitoring : Add Monitor
  8. Next Step is to Select the Attributes to monitor. Database Monitoring allows you to monitor crucial parameters such as Memory consumption, Connections information, CPU utilization rate, Disk fetches etc. Select the parameters you need to monitor from the list of attributes shown.
    Database Monitoring : Select Attributes
  9. Next step shows the Attribute details of all the selected attributes in the previous step. You can customize the display labels for each of the attributes here.

    Database Monitoring : Attribute Details
  10. Next step shows the Attribute Data conversion where you can convert the attribute value to required unit. You can configure the operation which should be performed on the attribute value to create the final output value.

    Database Monitoring : Attribute Data Conversion
  11. Next step shows the Defining Rules view. This view will provide a list of all numeric attributes. You can select the attributes for which you want to add a rule. A rule is defined as a conditional or threshold value which when exceeds, a notification would be sent. In a typical workflow the monitors extract data from the monitored device and send it to the rules engine. The rules engine evaluates the data to ensure no rule is violated and then sends it to the view manager. However, if a rule is violated, a message is immediately sent to the notification server to alert the user about the rule violation.Rules can be defined at a later stage as well. For details on how you can add/edit rules for the monitor, please see the Rules chapter.
  12. Next step shows the Security & Notification settings. When a rule is violated a notification is sent out to all the concerned users that a particular event has occurred and needs to be dealt with. This process is called notification. AppPerfect provides five modes of notification. They are Email notification, SMS notification, Custom notification, Log notification, Database notification, SNMP Trap notification. For details on each of the supported notification , please see the Notification chapter. In this view you can configure the type of notification which should be sent on Rule violation, Users/Groups to whom notification should be sent and also the subject and details on the notification message.
  13. Click on finish button. We are done adding the monitor for CouchDB1.x Database Monitoring. Once Database Monitor is added, you will get a message Database Monitor added successfully. Now go to Status. Expand the data for IP provided in IP Address while creating the monitor. Expand CouchDB1.x Monitor. Click on + icon against the charts that you want to monitor in your Dashboard.

    Database Monitoring Results
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