CSched: Real-time disk scheduling with concurrent I/O requests

Special Forums News, Links, Events and Announcements UNIX and Linux RSS News CSched: Real-time disk scheduling with concurrent I/O requests

01-25-2011

Registered User

26,240, 27

Join Date: Sep 2000

Last Activity: 1 August 2008, 3:09 PM EDT

Posts: 26,240

Thanks Given: 0

Thanked 27 Times in 26 Posts

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 ...
Full Report

More...

Linux Bot

View Public Profile for Linux Bot

Find all posts by Linux Bot

Previous Thread | Next Thread

7 More Discussions You Might Find Interesting

1. AIX

Difference between concurrent and enhanced concurrent VG

Hi, What are the differences between concurrent and enhanced concurrent VGs.? Any advantages of enhanced concurrent VG over normal concurrent vg Regards, Siva

2. Shell Programming and Scripting

Converting real time to epoch time

# date +%s -d "Mon Feb 11 02:26:04" 1360567564 # perl -e 'print scalar localtime(1360567564), "\n";' Mon Feb 11 02:26:04 2013 the epoch conversion is working fine. but one of my application needs 13 digit epoch time as input 1359453135154 rather than 10 digit epoch time 1360567564...

3. Linux

cifs.upcall issue, requests new kerberos service ticket all the time

This is more of an annoyance than an actual production issue. I've set it up so that each user's home directory is mounted to an immediate subdirectory of $HOME when they login, (and umounts when they log out to keep /proc/mounts a manageable size). My issue comes in when my login scripts...

4. Shell Programming and Scripting

Shell script to convert epoch time to real time

Dear experts, I have an epoch time input file such as : - 1302451209564 1302483698948 1302485231072 1302490805383 1302519244700 1302492787481 1302505299145 1302506557022 1302532112140 1302501033105 1302511536485 1302512669550 I need the epoch time above to be converted into real...

5. Programming

Time scheduling

Hello !!! i am trying to create a command scheduler (written in C). Basically i would like to do what the "at" command does , but without using "at" or "cron". I have tried using getitimer but i do not know how can i shcedule multiple commands. Any ideas ???

6. AIX

Adjust disk scheduling priority for a process?

Hi all! Some dumb administrator run the weekly backup "by hand" on our AIX 5.3 server, which we use to deploy Websphere applications, during work hours. Using the server while the backup is taking place is almost imposible. Both the disks are working at 100% and it's almost unusable. Asking the...

7. Solaris

Real time problems

Hi friends, I am new to solaris and looking for a job, when ever i attend interview i get most of the questions on real time problems, every one sak me the same questions what are the problems you face daily.. and what are the types? i know few like, disk extension,swap memory increasing,...

UNIX and Linux RSS News