Bhaskar Chowdhury

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“Memory is consumed by four things: the kernel, filesystem caches, processes, and intimately shared memory.”
Gian-Paolo D. Musumeci, System Performance Tuning: Help for Unix Administrators

“system that is paging is writing selected, infrequently used pages of memory to disk,”
Gian-Paolo D. Musumeci, System Performance Tuning: Help for Unix Administrators

“If a process tries to write to a shared page, it incurs a copy-on-write fault.[5”
Gian-Paolo D. Musumeci, System Performance Tuning: Help for Unix Administrators

“second, the memory cycle time, describes how frequently you can repeat a memory reference.”
Gian-Paolo D. Musumeci, System Performance Tuning: Help for Unix Administrators

“Paging is not necessarily indicative of a problem; it is the action of the page scanner to try and increase the size of the free list by moving inactive pages to disk.”
Gian-Paolo D. Musumeci, System Performance Tuning: Help for Unix Administrators

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