A survey of B-tree locking techniques

 
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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 ...
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BOOTCHART(1)						      General Commands Manual						      BOOTCHART(1)

NAME
bootchart - render a chart from the statistical data recorded with bootchartd SYNOPSIS
bootchart [-f|--format FORMAT] [-n|--no-prune] [-o|--output-dir DIR] files ... DESCRIPTION
bootchart is used to process the log file created by bootchartd(1) (/var/log/bootchart.tgz by default). bootchart builds the process tree and renders a performance chart in different formats. The chart may then be analyzed to examine process dependency and overall resource utilization. OPTIONS
-f,--format FORMAT Sets the format of the image. Possible values are: png, eps, svg (default) -h, --help Display brief usage message. -n, --no-prune Do not prune the process tree. To make the resulting process tree more comprehensible, bootchart will prune the tree using various techniques (removing short-lived processes, merging processes, etc.). This option disables such behavior. -o, --output-dir DIR Sets the output directory for the resulting image. (default: .) -v, --version Show program version. FILES
/var/log/bootchart.tgz the default log file to parse (unless otherwise specified). SEE ALSO
bootchartd(1) AUTHOR
bootchart was written by Ziga Mahkovec <ziga.mahkovec@klika.si>. This manual page was written by Jorg Sommer <joerg@alea.gnuu.de>, for the Debian project (but may be used by others). 2006-03-05 BOOTCHART(1)