The fact is that memory leaks are a very common and more than unpleasant accident, and therefore it was one of the main problems that the developers of new programming languages (such as Java, C # and many others) tried to cope with. Modern programming languages are protected from memory leaks due to their architecture. Finally it all results in a complete collapse of the system and all the applications running under its control. Virtual memory is much less powerful and performant than operational memory, because it is physically located on a hard disk, and, therefore, the speed of access to it is sensibly lower. Due to the continuous shortage of RAM, running applications are in critical lack of resources, and the operating system more and more often has to resort to the possibilities of virtual memory. A characteristic sign of the presence of memory leaks is the time-consuming performance of the operating system. In fact, it disappears into nowhere, reducing the system resource, which is scarce in itself.
The impossibility to release the memory with one application prevents other applications (alongside with the one having suffered from the leak) from using this memory for work.
Nevertheless, it is useful for each user to know what a memory leak is and how it affects both the operation of the application where it takes place and the operation of all the others.
In general this is the very case when the saying “What you do not know will not hurt you” turns out to be true. The end user usually does not know anything about memory leaks. A review of memory leak cases and ways to prevent them.Ī memory leak is the reduction in volume of available operating and virtual memory occurring due to errors in the application and resulting in the impossibility to release unnecessary memory, which becomes inaccessible both to other applications and to the damaged application itself.
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