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Special Forums News, Links, Events and Announcements UNIX and Linux RSS News CSched: Real-time disk scheduling with concurrent I/O requests Post 302490528 by Linux Bot on Tuesday 25th of January 2011 03:15:02 AM
Old 01-25-2011
CSched: Real-time disk scheduling with concurrent I/O requests

HPL-2011-11 CSched: Real-time disk scheduling with concurrent I/O requests - Staelin, Carl; Amir, Gidi; Ben-Ovadia, David; Dagan, Ram; Melamed, Michael; Staas, Dave
Keyword(s): real-time disk scheduling, storage systems
Abstract: We present a new real-time disk scheduling algorithm, {\em Concurrent Scheduler} or {\em CSched}, which maximizes throughput for modern storage devices while providing real-time access guarantees, with computational costs of $O(\log n)$. To maximize performance it ensures request concurrency at the ...
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NICE(1) 							   User Commands							   NICE(1)

NAME
nice - run a program with modified scheduling priority SYNOPSIS
nice [OPTION] [COMMAND [ARG]...] DESCRIPTION
Run COMMAND with an adjusted niceness, which affects process scheduling. With no COMMAND, print the current niceness. Nicenesses range from -20 (most favorable scheduling) to 19 (least favorable). -n, --adjustment=N add integer N to the niceness (default 10) --help display this help and exit --version output version information and exit NOTE: your shell may have its own version of nice, which usually supersedes the version described here. Please refer to your shell's docu- mentation for details about the options it supports. AUTHOR
Written by David MacKenzie. REPORTING BUGS
Report nice bugs to bug-coreutils@gnu.org GNU coreutils home page: <http://www.gnu.org/software/coreutils/> General help using GNU software: <http://www.gnu.org/gethelp/> Report nice translation bugs to <http://translationproject.org/team/> COPYRIGHT
Copyright (C) 2010 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
nice(2) The full documentation for nice is maintained as a Texinfo manual. If the info and nice programs are properly installed at your site, the command info coreutils 'nice invocation' should give you access to the complete manual. GNU coreutils 8.5 February 2011 NICE(1)
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