JPS6410320A - I/o load dispersion system for secondary memory file - Google Patents
I/o load dispersion system for secondary memory fileInfo
- Publication number
- JPS6410320A JPS6410320A JP62167268A JP16726887A JPS6410320A JP S6410320 A JPS6410320 A JP S6410320A JP 62167268 A JP62167268 A JP 62167268A JP 16726887 A JP16726887 A JP 16726887A JP S6410320 A JPS6410320 A JP S6410320A
- Authority
- JP
- Japan
- Prior art keywords
- memory
- auxiliary
- secondary memory
- page
- files
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Memory System Of A Hierarchy Structure (AREA)
Abstract
PURPOSE:To evenly disperse the I/O load of a secondary memory file in an I/O system by calculating and registering the busy rate of each auxiliary memory at each fixed interval time. CONSTITUTION:The real memory address of a page to be paged out is supplied to a page-out channel program production means 8. Thus an auxiliary memory that is not kept under a busy state (under I/O processing and had the minimum busy rate at the previous interval time is obtained out of a table 2 via an optimum secondary file name acquiring means 5 among those auxiliary memories containing the secondary files. Then the pages are allocated. As a result, the I/O loads of the secondary memory files are evenly dispersed so that the high- speed and low-speed auxiliary memories if mixed up can be effectively used respectively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62167268A JPS6410320A (en) | 1987-07-03 | 1987-07-03 | I/o load dispersion system for secondary memory file |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62167268A JPS6410320A (en) | 1987-07-03 | 1987-07-03 | I/o load dispersion system for secondary memory file |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6410320A true JPS6410320A (en) | 1989-01-13 |
Family
ID=15846587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62167268A Pending JPS6410320A (en) | 1987-07-03 | 1987-07-03 | I/o load dispersion system for secondary memory file |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6410320A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04305741A (en) * | 1991-04-02 | 1992-10-28 | Nec Corp | Data base input/output control system |
JPH0619796A (en) * | 1991-01-07 | 1994-01-28 | Nec Corp | Automatic changing system for swapping use external storage device in virtual storage system |
JPH06168213A (en) * | 1992-09-04 | 1994-06-14 | Internatl Business Mach Corp <Ibm> | System-to-system channel paging mechanism |
JP2002259061A (en) * | 2001-03-05 | 2002-09-13 | Nec Corp | System and method for rearranging data, and data- rearranging program |
US7172476B2 (en) | 2004-05-07 | 2007-02-06 | Yamaha Marine Kabushiki Kaisha | Outboard motor with bracket assembly |
-
1987
- 1987-07-03 JP JP62167268A patent/JPS6410320A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0619796A (en) * | 1991-01-07 | 1994-01-28 | Nec Corp | Automatic changing system for swapping use external storage device in virtual storage system |
JPH04305741A (en) * | 1991-04-02 | 1992-10-28 | Nec Corp | Data base input/output control system |
JPH06168213A (en) * | 1992-09-04 | 1994-06-14 | Internatl Business Mach Corp <Ibm> | System-to-system channel paging mechanism |
JP2002259061A (en) * | 2001-03-05 | 2002-09-13 | Nec Corp | System and method for rearranging data, and data- rearranging program |
US7172476B2 (en) | 2004-05-07 | 2007-02-06 | Yamaha Marine Kabushiki Kaisha | Outboard motor with bracket assembly |
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