Today I Learned

Some of the things I've learned every day since Oct 10, 2016

180: Software Aging and Rejuvenation

Software aging is the degradation of a software system’s ability to perform correctly after running continuously for long periods of time. Common causes include memory bloating, memory leaks, and data corruption.

To prevent undesirable effects of software aging, software rejuvenation can be done proactively. This can take many forms, the most well-known of which is a simple system reboot. Other forms include flushing OS kernel tables, garbage collection, or Apache’s method of killing and then recreating processes after serving a certain number of requests.

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