[Info-vax] Databases versus RMS

[Johnny Billquist]

On 2012-04-18 12:51, Dirk Munk wrote:
> VAXman- @SendSpamHere.ORG wrote:
>> In article<4f8dc739$0$1688$c3e8da3$50776f34 at news.astraweb.com>, JF
>> Mezei<jfmezei.spamnot at vaxination.ca> writes:
>>> {...snip...}
>>>
>>>> And, generaly speaking, Rdb is more "safe" then a plain RMS
>>>> based "database".
>>>
>>> An RMS write tends to result in an immediate physical write to disk.
>>> (unless hidden by a storage array which delays writes).
>>
>> That's not true!
>>
> Indeed it is not. Cobol for instance has the deferred write option.

Even beyond any language issue, or RMS details, the OS can cache and 
defer actual writes to the disk without you ever knowing about it. Not 
to mention that disks also cache things...

	Johnny

-- 
Johnny Billquist                  || "I'm on a bus
                                   ||  on a psychedelic trip
email: bqt at softjar.se             ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol