The parameters that are important to us are: USER – who launch the command; PID – process ID; %CPU – how heavily the processor is load . Killing an unnecessary action is accomplish with a set kill -9 “PID” The system also has a standard top utility. In addition to the tools already mention , there are free and paid services that provide round-the-clock maintenance, monitoring the “health” of the site, noting failures and the level of performance.
How to determine excess load
There are several signs that a resource is not coping with its tasks: The loading time of the site pages increases. Perhaps the server is not able overseas chinese data to provide access quickly; Website failures – may be due to a failure on a remote site; Error 500 is a direct recognition of overload. To more specifically identify the problem that is causing the system overload, a comprehensive approach is requir using the following methods.
Viewing the event log
The data will show which requests account for the largest flow of visitors, which IP addresses make requests most often. It will be possible to this type of marketing is essential analyze the behavioral nature of visitors – who enter , what they did, and also determine which team began to “slow down”. Code evaluation. The presence of obsolete, irrelevant elements is determin and then remov . SQL manuals are review . Profiling. The work of certain scripts is analyz , a check for malicious components is made. Protection tools are install.
Causes of overload Computing capacities have their limits
Overload may appear unexpect ly. Even the project owner may be an unwitting provocateur when launching applications or scripts with increas buying house b requests thoughtlessly. In this case, you should not imm iately think about renting additional capacities, try to understand the reasons. Exce ing the permissible indicators, warning the provider about the resource limit overrun – the situation is not uncommon. If you are sure that you did not do anything “gluttonous”, then you ne to look for the reasons.