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Systems Performance: Enterprise and the Cloud by Brendan Gregg

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Glossary

ACK   TCP acknowledgment.

adaptive mutex   A mutex (mutual exclusion) synchronization lock type. See Chapter 5, Applications.

address   A memory location.

address space   A virtual memory context. See Chapter 7, Memory.

aggregation   A grouping of data. The term is usually used in the DTrace/SystemTap context, referring to a grouping of data into buckets.

API   Application programming interface.

application   A program, typically user-level.

array   A set of values. This is a data type for programming languages.

associative array   A data type for programming languages where values are referenced by an arbitrary key, which may be a text string.

AT&T   The American Telephone and Telegraph Company, which included Bell Laboratories, where ...

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