One minute to understand APM, to get the lost users back

APM this English abbreviation, on the online game player represents the speed, to the blood to fight the family represents the all-weather shopping center, to the webmaster represents three big open source software apache+php+mysql. And for all Internet service providers and entrepreneurs, APM is application performance Management, translated into Chinese is the application performance management, is a comprehensive upgrade user experience, to solve the high user churn rate of a magic weapon.
a chestnut to figure out what APM is
When our body is in trouble, only CT can complete a full body scan from head to toe in a matter of minutes, thus accurately finding the lesion and providing an accurate basis for subsequent treatment.
Today's Internet is as powerful and complex as the human body, a seemingly simple Web application that requires a series of support from servers, storage, systems, application environments, networks and user computers/mobile devices to run smoothly. When the application fails, such as the user cannot log in, the page does not open, search results, who will help us to quickly and accurately locate the application problem?
APM, like a CT scan device deployed on the Internet, collects user-side data through the SDK, collects network data through the monitoring points, collects various hardware and software environment data from the server through the probe, and then uses the big data technology to quickly diagnose and analyze the collected data, and discovers the "foci" that affect the application performance. And give the diagnosis suggestion.
a sound (Tou) tone (Su) tells you why you need APM
In the entire life cycle of product operation, the user voice that our feedback system collects, 80% is not the usability question that the application cannot open, but the performance problem that the complaint application is slow, the click does not respond.
"Slow", like "cancer cells", in the quietly devouring application of vitality, stealing users.
However the application of "slow" is likewise as "cancer cell", the hardest to find and diagnose, when you perceive it, often too late. User's computer, mobile phone operating environment, memory size, system and even program compatibility problems may make the application "slow down", the domestic complex network environment and uneven Internet mode will drag the response speed of the application query, as for the server, database is the focus of maintenance personnel care. In addition, there is the code, a problematic statement that could lose hundreds of milliseconds of application response time.
A user behavior of the event stream, such as login, from the user operation issued commands, through the network transmission, to the server and the database to return data, and then through the network back to the application side, which link delay, to the user's perception is a word "slow." When the response time exceeds 5 seconds, 50% mobile app users will abandon the operation, 30% users will uninstall your app, and 33% disappointed users will turn to the competitor's app.
To solve the "slow" problem, there must be a "fast" means, this is APM.
Through APM, enterprises can from the passive response to user complaints, to actively discover the application in real user scenarios under the various delay problems, according to APM Analysis Report, Operations, development, operations collaborative processing, the application of "cancer" eliminated in the bud, so that the smooth user experience to retain users.

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One minute to understand APM, to get the lost users back