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Home -> Community -> Usenet -> c.d.o.misc -> Re: Looking for in-memory database that can write to disk as well
HyperSQL does this also...
In article <Jl3.114751$Ow5.191544_at_dfw-read.news.verio.net>,
"Robert Craig" <rcraig_at_webxi.com> wrote:
>TimesTen (www.timesten.com) has an in-memory database. They're a spin-off
>from HP.
>
>Bob
>Doug Kanter <dkanter_at_eznet.net> wrote in message
>news:380F58F4.FCB02211_at_eznet.net...
>> My question will reflect the fact that my experience is limited to
>PC-based
>> dbms' (Paradox, Access): OTHER THAN SPEED, why would a user be concerned
>with
>> when software flushes its info to disk? Why specifically try and find a
>system
>> which implements its work in memory?
>> Doug Kanter
>> dkanter_at_eznet.net
>>
>> CHANGE username to westes wrote:
>>
>> > I'm looking for vendors who sell a specialized kind of database. I need
>the
>> > database to be implemented in memory, but with the ability to flush
>changes
>> > in the database to disk as a background operation. This will be used
>to
>> > store temporary data that needs to be accessed from multiple machines,
>but
>> > which by its nature does not require saving to disk *as part of the
>> > transaction* that creates the data.
>> >
>> > Ideally, the database would allow a transaction from a remote client,
>write
>> > the information to memory, then notify the client that the transaction
>is
>> > finished. Later, as time allows, the database would flush the
>transaction
>> > to disk for permanent storage, so it would be available the next time it
>> > starts up.
>> >
>> > Of course we could implement this ourselves, using a write cache layer
>on
>> > top of a commercial database, but I'm hoping someone already has this
>done
>> > as a product, or maybe there is an option in some commercial databases
>for a
>> > table attribute that means something similar to "write-back
>transaction".
>> >
>> > Any pointers or tips are appreciated.
>> >
>> > --
>> > Will
>> >
>> > NOTE: To reply, CHANGE the username to westes AT uscsw.com
>>
>>
>
>
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-- Received on Tue Nov 16 1999 - 05:56:24 CST