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You're reading from  Oracle Database 11gR2 Performance Tuning Cookbook

Product typeBook
Published inJan 2012
Reading LevelIntermediate
PublisherPackt
ISBN-139781849682602
Edition1st Edition
Languages
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Author (1)
Ciro Fiorillo
Ciro Fiorillo
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Ciro Fiorillo

Ciro Fiorillo is an IT professional and consultant with experience of more than a decade in different roles (developer, analyst, DBA, project manager, data and software architect) among software industries. He has worked on different technologies and architectures, such as Oracle, SQL Server, Delphi, C# and .NET Framework, C/C++, Java, PHP, COBOL, Fortran, and Tibco. Ciro is currently employed as Lead Software and Data Architect with FinWin Srl, a software house specializing in banking and loans applications. As a freelancer he writes articles for websites and printed magazines about software and computing, participates in workshops, and teaches C++ and Fortran parallel programming with Intel Software tools. Ciro can be reached at ciro@cirofiorillo.com.
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V$SORT_SEGMENT


This view displays information about every sort segment in a given instance.

Fields

The most relevant view fields are as follows:

  • TABLESPACE_NAME: The name of the tablespace

  • CURRENT_USERS: The active users of the segment

  • TOTAL_BLOCKS: The total number of blocks in the segment

  • USED_BLOCKS: The number of blocks in the segment allocated to active sorts

  • FREE_BLOCKS: The number of blocks in the segment not allocated to any sort

  • MAX_BLOCKS: The maximum number of blocks ever used

  • MAX_USED_BLOCKS: The maximum number of blocks used by all sorts

  • MAX_SORT_BLOCKS: The maximum number of blocks used by an individual sort

  • EXTENT_SIZE: The extent size

  • TOTAL_EXTENTS: The total number of extents in the segment

  • USED_EXTENTS: The extents allocated to active sorts

  • FREE_EXTENTS: The extents not allocated to any sort

  • EXTENT_HITS: The number of times an unused extent was found in the pool

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You have been reading a chapter from
Oracle Database 11gR2 Performance Tuning Cookbook
Published in: Jan 2012Publisher: PacktISBN-13: 9781849682602

Author (1)

author image
Ciro Fiorillo

Ciro Fiorillo is an IT professional and consultant with experience of more than a decade in different roles (developer, analyst, DBA, project manager, data and software architect) among software industries. He has worked on different technologies and architectures, such as Oracle, SQL Server, Delphi, C# and .NET Framework, C/C++, Java, PHP, COBOL, Fortran, and Tibco. Ciro is currently employed as Lead Software and Data Architect with FinWin Srl, a software house specializing in banking and loans applications. As a freelancer he writes articles for websites and printed magazines about software and computing, participates in workshops, and teaches C++ and Fortran parallel programming with Intel Software tools. Ciro can be reached at ciro@cirofiorillo.com.
Read more about Ciro Fiorillo