||Home||Switchboard||Unix Administration||Red Hat||TCP/IP Networks||Neoliberalism||Toxic Managers|
|(slightly skeptical) Educational society promoting "Back to basics" movement against IT overcomplexity and bastardization of classic Unix|
|News||Grid Engine Tuning||Recommended Links||Installation Planning||Installation of the Master Host||Installation of the Execution Hosts||SGE Queues|
|SGE Commands Reference||Changing SGE spool to local directory||Optimizing usage of NFS in Grid Engine||Grid Engine Config Tips||SGE Parallel Environment||Configuring Hosts From the Command Line||SGE cheat sheet|
|Enterprise Unix System Administration||Perl Admin Tools and Scripts||Duke University Tools for SGE||Simple Unix Backup Tools||Sysadmin Horror Stories||Humor||Etc|
The spool directory for each execd is the greatest source of NFS traffic for Grid Engine. When jobs are dispatched to an exec host, the job script gets transferred via the commd and then written to the spool directory. Each job gets its own subdirectory, into which additional information is written by both the execd and the job shepherd process. Logfiles are also written into the spool directory, for both the execd as well as the individual jobs.
By configuring local spool directories, all that traffic can be redirected to the local disk on each compute host, thus isolating it from the rest of the network as well as reducing the I/O latency. One disadvantage is that, in order to view the logfiles for a particular job, you need to log onto the system where the job ran, instead of simply looking in the shared directory. But, this would only be necessary for detailed debugging of a job problem.
The path to the spool directory controlled by the parameter execd_spool_dir;
it should be set to a directory on the local compute host which is owned by the
admin user and which ideally can handle intensive reading/writing (e.g.,
The execd_spool_dir parameter can be specified when running the install_qmaster script. However, this directory must already existed and be owned by the admin user, or else the script will complain and the execd will not function properly. Alternatively, the execd_spool_dir parameter can be changed in the cluster configuration (man sge_conf); the execds need to be halted before this change can be made. Please make you read sge_conf(5)
The path to the spool directory controlled by the parameter execd_spool_dir; it should be set to a directory on the local compute host which is owned by the admin user and which ideally can handle intensive reading/writing (e.g., /var/spool/sge). The execd_spool_dir parameter can be specified when running the install_qmaster script. However, this directory must already existed and be owned by the admin user, or else the script will complain and the execd will not function properly. Alternatively, the execd_spool_dir parameter can be changed in the cluster configuration (man sge_conf); the execds need to be halted before this change can be made. Please make you read sge_conf(5)
To change execd_spool_dir to, say, /var/spool/sge you need to perform the following steps:
mkdir -p /var/spool/sge/`hostname`/active_jobs
chown -R sge:sge /var/spool/sge # if SGE is installed not as root, but as sge
Google matched content
Reducing and Eliminating NFS usage by Grid Engine
Sun Grid Engine Tuning guide
Groupthink : Two Party System as Polyarchy : Corruption of Regulators : Bureaucracies : Understanding Micromanagers and Control Freaks : Toxic Managers : Harvard Mafia : Diplomatic Communication : Surviving a Bad Performance Review : Insufficient Retirement Funds as Immanent Problem of Neoliberal Regime : PseudoScience : Who Rules America : Neoliberalism : The Iron Law of Oligarchy : Libertarian Philosophy
War and Peace : Skeptical Finance : John Kenneth Galbraith :Talleyrand : Oscar Wilde : Otto Von Bismarck : Keynes : George Carlin : Skeptics : Propaganda : SE quotes : Language Design and Programming Quotes : Random IT-related quotes : Somerset Maugham : Marcus Aurelius : Kurt Vonnegut : Eric Hoffer : Winston Churchill : Napoleon Bonaparte : Ambrose Bierce : Bernard Shaw : Mark Twain Quotes
Vol 25, No.12 (December, 2013) Rational Fools vs. Efficient Crooks The efficient markets hypothesis : Political Skeptic Bulletin, 2013 : Unemployment Bulletin, 2010 : Vol 23, No.10 (October, 2011) An observation about corporate security departments : Slightly Skeptical Euromaydan Chronicles, June 2014 : Greenspan legacy bulletin, 2008 : Vol 25, No.10 (October, 2013) Cryptolocker Trojan (Win32/Crilock.A) : Vol 25, No.08 (August, 2013) Cloud providers as intelligence collection hubs : Financial Humor Bulletin, 2010 : Inequality Bulletin, 2009 : Financial Humor Bulletin, 2008 : Copyleft Problems Bulletin, 2004 : Financial Humor Bulletin, 2011 : Energy Bulletin, 2010 : Malware Protection Bulletin, 2010 : Vol 26, No.1 (January, 2013) Object-Oriented Cult : Political Skeptic Bulletin, 2011 : Vol 23, No.11 (November, 2011) Softpanorama classification of sysadmin horror stories : Vol 25, No.05 (May, 2013) Corporate bullshit as a communication method : Vol 25, No.06 (June, 2013) A Note on the Relationship of Brooks Law and Conway Law
Fifty glorious years (1950-2000): the triumph of the US computer engineering : Donald Knuth : TAoCP and its Influence of Computer Science : Richard Stallman : Linus Torvalds : Larry Wall : John K. Ousterhout : CTSS : Multix OS Unix History : Unix shell history : VI editor : History of pipes concept : Solaris : MS DOS : Programming Languages History : PL/1 : Simula 67 : C : History of GCC development : Scripting Languages : Perl history : OS History : Mail : DNS : SSH : CPU Instruction Sets : SPARC systems 1987-2006 : Norton Commander : Norton Utilities : Norton Ghost : Frontpage history : Malware Defense History : GNU Screen : OSS early history
The Peter Principle : Parkinson Law : 1984 : The Mythical Man-Month : How to Solve It by George Polya : The Art of Computer Programming : The Elements of Programming Style : The Unix Haterís Handbook : The Jargon file : The True Believer : Programming Pearls : The Good Soldier Svejk : The Power Elite
Most popular humor pages:
Manifest of the Softpanorama IT Slacker Society : Ten Commandments of the IT Slackers Society : Computer Humor Collection : BSD Logo Story : The Cuckoo's Egg : IT Slang : C++ Humor : ARE YOU A BBS ADDICT? : The Perl Purity Test : Object oriented programmers of all nations : Financial Humor : Financial Humor Bulletin, 2008 : Financial Humor Bulletin, 2010 : The Most Comprehensive Collection of Editor-related Humor : Programming Language Humor : Goldman Sachs related humor : Greenspan humor : C Humor : Scripting Humor : Real Programmers Humor : Web Humor : GPL-related Humor : OFM Humor : Politically Incorrect Humor : IDS Humor : "Linux Sucks" Humor : Russian Musical Humor : Best Russian Programmer Humor : Microsoft plans to buy Catholic Church : Richard Stallman Related Humor : Admin Humor : Perl-related Humor : Linus Torvalds Related humor : PseudoScience Related Humor : Networking Humor : Shell Humor : Financial Humor Bulletin, 2011 : Financial Humor Bulletin, 2012 : Financial Humor Bulletin, 2013 : Java Humor : Software Engineering Humor : Sun Solaris Related Humor : Education Humor : IBM Humor : Assembler-related Humor : VIM Humor : Computer Viruses Humor : Bright tomorrow is rescheduled to a day after tomorrow : Classic Computer Humor
The Last but not Least Technology is dominated by two types of people: those who understand what they do not manage and those who manage what they do not understand ~Archibald Putt. Ph.D
Copyright © 1996-2021 by Softpanorama Society. www.softpanorama.org was initially created as a service to the (now defunct) UN Sustainable Development Networking Programme (SDNP) without any remuneration. This document is an industrial compilation designed and created exclusively for educational use and is distributed under the Softpanorama Content License. Original materials copyright belong to respective owners. Quotes are made for educational purposes only in compliance with the fair use doctrine.
FAIR USE NOTICE This site contains copyrighted material the use of which has not always been specifically authorized by the copyright owner. We are making such material available to advance understanding of computer science, IT technology, economic, scientific, and social issues. We believe this constitutes a 'fair use' of any such copyrighted material as provided by section 107 of the US Copyright Law according to which such material can be distributed without profit exclusively for research and educational purposes.
This is a Spartan WHYFF (We Help You For Free) site written by people for whom English is not a native language. Grammar and spelling errors should be expected. The site contain some broken links as it develops like a living tree...
|You can use PayPal to to buy a cup of coffee for authors of this site|
Last modified: March 12, 2019