A survey of B-tree locking techniques

 
Thread Tools Search this Thread
Special Forums News, Links, Events and Announcements UNIX and Linux RSS News A survey of B-tree locking techniques
# 1  
Old 01-23-2010
A survey of B-tree locking techniques

HPL-2010-9 A survey of B-tree locking techniques - Graefe, Goetz
Keyword(s): storage systems, databases, B-tree, indexes, concurrency control, locking
Abstract: B-trees have been ubiquitous in database management systems for several decades, and they are used in other storage systems as well. Their basic structure and basic operations are well and widely understood including search, insertion, and deletion. Concurrency control of operations in B-trees, howe ...
Full Report

More...
Login or Register to Ask a Question

Previous Thread | Next Thread

4 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Shell scripting substitution techniques

Hi guys, I'm looking for some thoughts on this. I'm trying to do a clean 1 liner to substitute some values. What I have: sed 's/Personid=.*/Personid=xxxxxx/' $tmpFileOut sed 's/Person:.*/Person:xxxxxx/' $tmpFileOut sed 's/PersonID:.*/PersonID: xxxxxx/' $tmpFileOut Obviously that's a bit... (1 Reply)
Discussion started by: rich@ardz
1 Replies

2. What is on Your Mind?

Please Help with ComputerWeekly Survey, Thanks!

If you have two or three minutes to spare, can you help with this ComputerWeekly survey? They are evaluating our site, asking a few questions like how often you visit the forums, what do you like the most, what can we improve, etc. ... (0 Replies)
Discussion started by: Neo
0 Replies

3. UNIX for Dummies Questions & Answers

Questions for User Survey

Hello, I'm a sysadmin in training and need to create/gather a survey from all the users about the servers that they use, problems, challenges etc. Main purpose of the survey is to identify areas & room for improvement on the existing UNIX environment. I have in mind these questions... (8 Replies)
Discussion started by: rahzzbietel
8 Replies

4. Post Here to Contact Site Administrators and Moderators

results survey

Hi guys! I was wondering what the outcome was of your survey of a few months ago? One of the questions was if people were willing to pay for additional services like an own account, like username@unix.com with mail box, etc. Sorry if I missed the results if you had already posted them. Ivo (1 Reply)
Discussion started by: Ivo
1 Replies
Login or Register to Ask a Question
EDUSERS(1)                                                    General Commands Manual                                                   EDUSERS(1)

NAME
edusers - edit users list created by package SYNOPSIS
edusers [system [version]] DESCRIPTION
This command lets you safely edit the users list created by the package command. It locks the file before launching the editor, hence pro- tecting against any concurrent update by some package command that could arrive at the same time (by e-mail). The level of protection this locking buys you depends on the locking policy you have configured in your ~/.mailagent. If you are within a package source tree, all you need to say is edusers to edit the users file for that package. In order for that particular feature to work properly, the package must have been placed under dist control, or at least the packinit command from the dist package must have been run. Otherwise, you may specify a system name, and optionally a version number if that is not enough to disambiguate. Using '-' will get you the lattest version available. In any case, there must be a proper setting of the distribs file to use this command. If that file is not accurate, the package command will not be able to produce a users file anyway. ENVIRONMENT
The editor is taken out of the EDITOR variable if defined, then from the VISUAL variable, defaulting to /usr/ae if none of the variables is set. FILES
~/.mailagent configuration file for mailagent. Spool/distribs distribution list, same file as the one used for mailpatch. System/.package file created by dist's packinit command to indicate the root of the source tree for that package. System/users list of users of that system. Log/agentlog mailagent's log file. AUTHOR
Raphael Manfredi <Raphael_Manfredi@pobox.com> SEE ALSO
mailagent(1), metaconfig(1), package(1), packinit(1). EDUSERS(1)