Burkies, Norman writes:
> Hi
>
> We are evaluating various RDBMS for use on within an airborne server
> (Embedded NT4.0) environment.
>
> This environment does not have reliable power. Aircraft are powered cycled
> without regard for delicate OS environments etc.
>
> We like MySql because it is fairly lightweight (regards processor/mem
> requirements not capabilities) and fast. Availability of source code is also
> re-assuring - given the long product lifecycles within the avionics
> business.
>
> Assume that we are not suffering from any file corruption due to problems
> with NTFS under powerfail conditions.
>
> Whether we use a table type which supports transactions or not has anyone
> experienced problems under powerfail, and if they
> have could it be automatically corrected within a reasonable time by the
> table repair utilities. I am worried about internal indices (Btrees etc)
> requiring a complete rebuild, and taking an unacceptable amount of time.
>
> I plan to test before making any commitments but forwarned is forarmed as
> they say.
>
> Other DB's on the eval list are Interbase 6.0, MSQL7, various realtime
> embedded.
>
> Thanks & Regards
>
> Norman Burkies
>
>
Hi!
Please consider either BDB tables or Innobase tables with MySQL. They
will both provide you with entity integrity you are looking for.
As for OS / file system issue, Linux 2.4 with Reiser FS has proven a
bit more reliable then NT/NTFS combo as Reiser journalling works
without a single glitch.
Last, but not least, what plane would carry that system ??
Regards,
Sinisa
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