MongoDB, one of the most popular NoSQL databases today, is designed to process and store massive amounts of data. These metrics are mostly from the WiredTiger Storage Engine that is the default storage engine for MongoDB since MongoDB 3.0. MongoDB collection status returns to much performance datas. MongoDB monitoring is a critical component of all database administration, and tight MongoDB cluster monitoring will show the state of your database. MongoDB¶ Visualize MongoDB performance metrics in real-time during load tests. If there is a single service that’s suffering from bad database response times, dig deeper into that service’s metrics to find out what’s causing the problem. The tool is used by many well-known, modern IT organizations such as Facebook, eBay, Foursquare, and Expedia. The WiredTiger storage engine uses tickets as a way to handle concurrency, The default is for WiredTiger to have 128 read and 128 write tickets. The MongoDB monitoring module ships with pre-selected counters and thresholds. MongoDB Free monitoring provides information about the following metrics: Operation Execution Times (READ, WRITES, COMMANDS) Disk utilization (MAX UTIL % OF ANY DRIVE, AVERAGE UTIL % OF ALL DRIVES) Memory (RESIDENT, VIRTUAL, MAPPED) Configuration¶ The MongoDB monitor requires the following configuration: Hostname: Database hostname, On a MongoDB with 9 databases but many tables the check returns more then 1.000 different performance datas, ~40GB of RRD files generated only for this service. For metrics related to database performance, such as DB Storage, Ops Manager presents the sum total across all databases in the deployment. Simply copy/paste the URL from the status output to the browser, and you can start checking performance metrics. Supported versions¶ MongoDB database servers version 3.4 and above are supported. If the display is paused, the clock shows the time at which the pause began. Metrics associated with the MongoDB process. Measures the rate of database operations on MongoDB secondaries, as collected from the MongoDB serverStatus command’s opcountersRepl document. If you enable Display Opcounters on Separate Charts, Ops Manager replaces the Opcounters option with the individual components of that chart. From this list, you can then select the specific metric for which you want to configure an alert. OPERATIONS_SCAN_AND_ORDER For a selected time period, the average rate per second for operations that perform a … Ensure the 'pymongo' module is installed to get the performance metrics of the MongoDB database. Knowing which services access your MongoDB is vital for finding database performance bottlenecks. If the installation fails, refer the below section to manually install the module. In addition to MongoDB application metrics, the system-level metrics from MongoDB nodes provide visibility into CPU, memory, disk, network, swap, etc. How to monitor MongoDB database performance You can keep your MongoDB environment running smoothly by keeping a close eye on six key metrics NoSQL Performance Benchmark 2018 – MongoDB, PostgreSQL, OrientDB, Neo4j and ArangoDB February 14, 2018 0 10 General Tags: NoSQL , Performance , RocksDB ArangoDB, as a native multi-model database, competes with many single-model storage technologies. The Site24x7 Linux monitoring agent will automatically try to install 'pymongo' using the 'pip' command. To restart the display updates, click Play. As an illustration, in Figure 11, the chosen metric of interest in ‘Alert me when’ is ‘Custom: MongoDB Metrics: Data Size’ from the MongoDB Metrics group and the condition for triggering the alert is if the average value is more than 2000. 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