http://www.qnx.com/
Tey actually have a headline right now about BerkleyDB being ported.
While I take nothing away from the Mysql/Linux combo as a stable OS. I
would stay that a specifically designed RTOS for embeded devices might be
better in this situation.
Gregg
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, February 15, 2001 1:00 PM
Subject: Embedded MySQL: Opinion Please
Hi!
I've been monitoring this list for a while now (re: lurking), I've seen only
passing comments about embedding MySQL, so I thought I would come out and
directly ask the MySQL community for your opinions, or better yet, actual
facts - based on experience.
I am evaluating MySQL / Linux for use in a line of deeply embedded,
multi-node, real-time SCADA products.
Where:
deeply embedded = headless platform, no user interaction (not even via
telnet),
no administration interaction, required to
operate for years without restart.
multi-node = 1 to N processor boards, sharing a common bus (VME, CPCI),
not SMP.
And,
* Database size: between 10K - 250K records
- where once the records have been created, they are only
updated, typically
between several 100 to several 1,000 UPDATES / second.
* No moving parts (no fan, no hard disk, no CD, no floppy, no noth'n).
* Memory size is not an issue (can add more as required); CPU power is
not an issue (re: Moore's Law)
(The actual requirements are not as extreme as depicted here, but I want to
push the envelope.)
I am convinced that MySQL / Linux will work in such as environment.
But, the real question(s) is:
Can they (MySQL / Linux) work in such an environment, continuously, without
error or failure, or requiring operator intervention, for years on end?
For this environment, is the MySQL / Linux combo a good idea?
Or, should I stick with Linux, but seek out an alternate DBMS?
Or, should I drop Linux and go with Windows CE, or some other RTOS?
Or, should I stop being a software developing and become a sheepherder?
David Vance
Senior Software Developer
GE Harris Energy Control Systems Canada, Inc.
2728 Hopewell Place NE
Calgary, Alberta,Canada T1Y 7J7
+1 (403) 214-4543
+1 (403) 287-7946
[EMAIL PROTECTED]
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