What is Thrashing?

What is Thrashing?

Thrashing is a high paging activity. It occurs when the computer activity make little or no progress. It usually occurs because memory or other resources have become too exhausted or are too limited to perform the needed operations. However, the computer's virtual memory subsystem continuously keeps paging, where the data in memory is rapidly exchanged for data on disk.

Thrashing occurs when the system does not have enough memory. Or it may alternately happen when the system swap file is not properly configured, when too much is running at the same time, or the system has low system resources.

Thrashing is bad for the computer as the hard drive is always working, which results in a decrease in system performance. It left unattended it can lead to early hard drive failure.

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