Abstract

A user-oriented analysis is presented of file-related system call traces from a 4. 2 BSD UNIX system. The objective is twofold: (1) to establish a systematic approach to user-oriented analysis, and (2) to provide quantitative results useful for distributed file system design. A typical user as well as a typical file is characterized as a function of accesses made (which quantifies the notion of how heavily a file is used) and file size. Variations in the two characterizations about file categories (user-owned, notesfiles, etc. ) are quantified. The differences between the two characterizations are attributed to the nonuniformity among users since the differences almost disappear when users are categorized. The proposed method is shown to distinguish the nonuniform components of file access. Besides profiling a user's file usage, the results show that over 70% of users reference files owned by other users, that about 72% of permanent files are referenced in a read-only mode, and that the heavy users are characterized by large values of file I/O, accesses per file, file size, and number of files.

Original languageEnglish (US)
Title of host publicationProceedings - IEEE Computer Society's International Computer Software & Applications Conference
PublisherIEEE
Pages21-27
Number of pages7
ISBN (Print)0818607270
StatePublished - Dec 1 1986

Publication series

NameProceedings - IEEE Computer Society's International Computer Software & Applications Conference

Fingerprint

UNIX
Systems analysis

ASJC Scopus subject areas

  • Software
  • Computer Science Applications

Cite this

Devarakonda, M. V., & Iyer, R. K. (1986). USER-ORIENTED ANALYSIS OF FILE USAGE IN UNIX. In Proceedings - IEEE Computer Society's International Computer Software & Applications Conference (pp. 21-27). (Proceedings - IEEE Computer Society's International Computer Software & Applications Conference). IEEE.

USER-ORIENTED ANALYSIS OF FILE USAGE IN UNIX. / Devarakonda, Murthy V.; Iyer, Ravishankar K.

Proceedings - IEEE Computer Society's International Computer Software & Applications Conference. IEEE, 1986. p. 21-27 (Proceedings - IEEE Computer Society's International Computer Software & Applications Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Devarakonda, MV & Iyer, RK 1986, USER-ORIENTED ANALYSIS OF FILE USAGE IN UNIX. in Proceedings - IEEE Computer Society's International Computer Software & Applications Conference. Proceedings - IEEE Computer Society's International Computer Software & Applications Conference, IEEE, pp. 21-27.
Devarakonda MV, Iyer RK. USER-ORIENTED ANALYSIS OF FILE USAGE IN UNIX. In Proceedings - IEEE Computer Society's International Computer Software & Applications Conference. IEEE. 1986. p. 21-27. (Proceedings - IEEE Computer Society's International Computer Software & Applications Conference).
Devarakonda, Murthy V. ; Iyer, Ravishankar K. / USER-ORIENTED ANALYSIS OF FILE USAGE IN UNIX. Proceedings - IEEE Computer Society's International Computer Software & Applications Conference. IEEE, 1986. pp. 21-27 (Proceedings - IEEE Computer Society's International Computer Software & Applications Conference).
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abstract = "A user-oriented analysis is presented of file-related system call traces from a 4. 2 BSD UNIX system. The objective is twofold: (1) to establish a systematic approach to user-oriented analysis, and (2) to provide quantitative results useful for distributed file system design. A typical user as well as a typical file is characterized as a function of accesses made (which quantifies the notion of how heavily a file is used) and file size. Variations in the two characterizations about file categories (user-owned, notesfiles, etc. ) are quantified. The differences between the two characterizations are attributed to the nonuniformity among users since the differences almost disappear when users are categorized. The proposed method is shown to distinguish the nonuniform components of file access. Besides profiling a user's file usage, the results show that over 70{\%} of users reference files owned by other users, that about 72{\%} of permanent files are referenced in a read-only mode, and that the heavy users are characterized by large values of file I/O, accesses per file, file size, and number of files.",
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