www.tdbm.dss.ca - tdbm

last data update: 2011/10/14, 01:20

Server
DNS
Domain
Map
Valuation
Content

Website loading time

during the test: 1.07 s

cable connection (average): 1.11 s

DSL connection (average): 1.16 s

modem (average): 3.53 s

HTTP headers

HTTP/1.1 200 OK

Date: Fri, 14 Oct 2011 08:20:17 GMT

Server: Apache/2.0.63 (Unix) PHP/5.2.5 mod_auth_dacs/1.4.26 mod_ssl/2.0.63 OpenSSL/0.9.8g

Last-Modified: Thu, 30 Jun 2011 20:26:26 GMT

ETag: "4d4812-44ea-4a6f3b7196080"

Accept-Ranges: bytes

Content-Length: 17642

Connection: close

Content-Type: text/html; charset=ISO-8859-1

Information about DNS servers

tdbm.dss.ca

CNAME

dss.ca

7200

Received from the first DNS server

Request to the server "tdbm.dss.ca"
Received 29 bytes from address 213.251.188.135#53 in 106 ms
Request to the server "tdbm.dss.ca"
You used the following DNS server:
DNS Name: dns16.ovh.net
DNS Server Address: 213.251.188.135#53
DNS server aliases:

Host tdbm.dss.ca not found: 5(REFUSED)
Received 29 bytes from address 213.251.188.135#53 in 105 ms

Received from the second DNS server

Request to the server "tdbm.dss.ca"
Received 29 bytes from address 213.251.128.135#53 in 110 ms
Request to the server "tdbm.dss.ca"
You used the following DNS server:
DNS Name: ns16.ovh.net
DNS Server Address: 213.251.128.135#53
DNS server aliases:

Host tdbm.dss.ca not found: 5(REFUSED)
Received 29 bytes from address 213.251.128.135#53 in 107 ms

Subdomains (the first 50)

Typos (misspells)

rdbm.dss.ca
fdbm.dss.ca
gdbm.dss.ca
ydbm.dss.ca
6dbm.dss.ca
5dbm.dss.ca
tsbm.dss.ca
txbm.dss.ca
tcbm.dss.ca
tfbm.dss.ca

trbm.dss.ca
tebm.dss.ca
tdvm.dss.ca
tdnm.dss.ca
tdhm.dss.ca
tdgm.dss.ca
tdbn.dss.ca
tdbk.dss.ca
tdbj.dss.ca
dbm.dss.ca

tbm.dss.ca
tdm.dss.ca
tdb.dss.ca
dtbm.dss.ca
tbdm.dss.ca
tdmb.dss.ca
ttdbm.dss.ca
tddbm.dss.ca
tdbbm.dss.ca
tdbmm.dss.ca

Location

IP: 24.87.1.173

continent: NA, country: Canada (CAN), city: Richmond

Website value

rank in the traffic statistics: 9 469 527

There is not enough data to estimate website value.

Basic information

website build using CSS

code weight: 17.23 KB

text per all code ratio: 65 %

title: tdbm - a simple, high-performance database with nested atomic transactions

description: This is the home page for tdbm, an open source, light-weight dbm-type database.

keywords: dbm, embedded, database, atomic transactions, open source

encoding: ISO-8859-1

language: en

Website code analysis

one word phrases repeated minimum three times

Phrase	Quantity
the	56
and	43
of	37
to	33
is	28
be	26
that	22
in	21
tdbm	20
disk	19
are	19
or	17
it	17
database	17
as	15
with	14
can	13
for	13
has	12
databases	12
if	12
they	11
storage	10
not	10
this	10
data	10
dbm-type	9
have	9
atomic	9
used	8
you	8
on	8
any	8
been	8
will	8
from	8
by	8
but	8
application	7
its	7
may	7
also	7
an	7
file	7
OS	7
very	7
all	7
was	6
because	6
transactions	6
device	6
cannot	6
write	6
some	6
other	5
system	5
The	5
provide	5
more	5
If	5
drive	5
which	5
necessary	4
at	4
program	4
written	4
fsync(2)	4
It	4
This	4
version	4
no	4
before	4
most	4
about	4
writes	4
nested	4
such	4
caching	4
management	4
probably	4
implemented	3
what	3
system,	3
these	3
them	3
development	3
Any	3
good	3
commercial	3
multithreaded	3
For	3
Although	3
many	3
make	3
Some	3
typically	3
here	3
important	3
done	3
correct	3
whether	3
there	3
might	3
Linux	3
must	3
But	3
ordinary	3
when	3
even	3
physical	3
So	3
work	3
problem.	3
transaction	3

two word phrases repeated minimum three times

Phrase	Quantity
in the	8
can be	6
atomic transactions	5
dbm-type databases	5
write caching	4
storage device	4
has been	4
disk writes	4
if the	4
with nested	4
databases are	4
nested atomic	4
they are	4
and storage	4
the database	3
This is	3
written to	3
such as	3
cannot be	3
here is	3
of tdbm	3
because it	3
disk drive	3
to disk	3
to the	3
if you	3
and probably	3
disk write	3
before the	3
the necessary	3
to be	3
the OS	3
it has	3
the physical	3
an application	3
may be	3
dbm-type database	3

three word phrases repeated minimum three times

Phrase	Quantity
with nested atomic	4
disk write caching	3
nested atomic transactions	3

B tags

bdb

U tags

I tags

dss@dss.ca

images

file name	alternative text
rainline.gif	divider

headers

internal links

address	anchor text
#downloads	here
src/tdbm/LICENSE	a BSD-style license
src/tdbm/README	README
src/tdbm/LICENSE	LICENSE
src/tdbm/tdbm-1.2.tbz	tdbm-1.2.tbz
src/tdbm/tdbm-1.2.tgz	tdbm-1.2.tgz
papers/tdbm/man.ps.gz	PostScript
papers/tdbm/man.pdf	PDF
papers/tdbm/tdbmdoc.html	HTML
papers/tdbm/tdbm.3	nroff source)
papers/tdbm/usenix.ps.gz	PostScript
papers/tdbm/usenix.pdf	PDF
papers/index.html	Assorted Technical Papers

external links

address	anchor text
http://en.wikipedia.org/wiki/Dbm	dbm
http://plan9.bell-labs.com/7thEdMan/v7vol1.pdf	0
http://www.freebsd.org/cgi/man.cgi?query=dbm&apropos=0&sektion=3&manpath=FreeBSD+8.0-RELEASE&format=html	1
http://www.opengroup.org/onlinepubs/007908799/xsh/dbm_clearerr.html	2
http://en.wikipedia.org/wiki/Atomic_transaction	atomic transactions
http://en.wikipedia.org/wiki/Embedded_database	embedded
http://en.wikipedia.org/wiki/Berkeley_DB#Programs_that_use_Berkeley_DB	widely used behind the scenes
http://www.perl.org/	Perl
http://www.php.net	PHP
http://www.mysql.com	MySQL
http://www.postgresql.org	PostgreSQL
http://www.microsoft.com/sql/default.mspx	Microsoft SQL Server
http://www.oracle.com	Oracle Database
http://www-306.ibm.com/software/data/db2	IBM DB2
http://www.sqlite.org	SQLite
http://www.faircom.com	c-tree
http://www.oracle.com/database/berkeley-db/index.html	BerkeleyDB
http://www.oracle.com/technology/software/products/berkeley-db/htdocs/licensing.html	licensing terms
http://en.wikipedia.org/wiki/X.500	X.500 directory server
http://cs.ubc.ca	UBC
http://www.freebsd.org/cgi/man.cgi?query=pthread&apropos=0&sektion=3&manpath=FreeBSD+8.0-RELEASE&format=html	POSIX threads
http://www.thefreelibrary.com/Fischer+International+Systems+Corporation+and+Xcert+Software+Inc....-a018863650	a commercial version
http://en.wikipedia.org/wiki/Integrated_Drive_Electronics	IDE/EIDE
http://en.wikipedia.org/wiki/Serial_ATA	SATA
http://en.wikipedia.org/wiki/SCSI	SCSI
http://en.wikipedia.org/wiki/ACID	ACID
http://support.microsoft.com/kb/324805/en-us	1
http://www.freebsd.org/cgi/man.cgi?query=fsync&apropos=0&sektion=2&manpath=FreeBSD+8.0-RELEASE&format=html	fsync(2)
http://www.freebsd.org/cgi/man.cgi?query=open&apropos=0&sektion=2&manpath=FreeBSD+8.0-RELEASE&format=html	open(2)
http://www.linuxmanpages.com/man2/fsync.2.php	fsync(2)
http://www.linuxmanpages.com/man2/fdatasync.2.php	fdatasync(2)
http://www.uwsg.iu.edu/hypermail/linux/kernel/0103.0/1193.html	2
http://www.uwsg.iu.edu/hypermail/linux/kernel/0103.0/0331.html	3
http://serverfault.com/questions/15404/sata-disks-that-handle-write-caching-properly	4
http://en.wikipedia.org/wiki/Solid-state_drive	solid-state drive
http://www.linux-magazine.com/w3/issue/78/Write_Barriers.pdf	write barriers
http://markmail.org/message/shrs46f6lixkqllw	5
http://lwn.net/Articles/326471/	6
http://brad.livejournal.com/2116715.html	here
http://developer.osdl.org/dev/doubt/diskio/documents/2005-10-19-visualizing_diskio.pdf	7
http://www.jasonbrome.com/blog/archives/2004/04/03/writecache_enabled.html	8
http://www.westnet.com/~gsmith/content/postgresql/TuningPGWAL.htm	9
http://www.postgresql.org/docs/8.3/static/wal-reliability.html	10
http://xfs.org/index.php/XFS_FAQ#Q:_What_is_the_problem_with_the_write_cache_on_journaled_filesystems.3F	11
http://support.microsoft.com/kb/234656	12
http://en.wikipedia.org/wiki/RAID	13
http://www.dss.bc.ca/dx/	Dxstore
http://www.faqs.org/faqs/databases/free-databases/	Catalog of Free Database Systems
http://www.dss.ca	DSS Distributed Systems Software Inc.
http://www.dss.ca/contactus.html	dss@dss.ca

domstat.net

tdbm.dss.ca

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