<span class="Apple-style-span" style="border-collapse: collapse; font-family: verdana; ">hi,<div style="font-family: verdana, geneva, kalimati, sans-serif !important; "><br style="font-family: verdana, geneva, kalimati, sans-serif !important; ">
</div><div style="font-family: verdana, geneva, kalimati, sans-serif !important; ">searching for solutions to this type of problem is a challenge and there are many ways to solve it. give this site (<a href="http://highscalability.com" target="_blank" style="font-family: verdana, geneva, kalimati, sans-serif !important; color: rgb(42, 93, 176); ">http://highscalability.com</a>) a thorough read and you might find something.</div>
<div style="font-family: verdana, geneva, kalimati, sans-serif !important; ">again, i am with jan, try CouchDB and it might pay off to use a unix based machine for stuff like that. i think you are trying to trick your OS to do things it is not meant for. not going into flame wars about windows here but a basic linux setup is really done in no time and gives you way more control for an application that is "non standard" :-)</div>
<div style="font-family: verdana, geneva, kalimati, sans-serif !important; "><br style="font-family: verdana, geneva, kalimati, sans-serif !important; "></div><div style="font-family: verdana, geneva, kalimati, sans-serif !important; ">
cheers</div><div style="font-family: verdana, geneva, kalimati, sans-serif !important; ">lenz</div></span><br><div class="gmail_quote">On Wed, Feb 18, 2009 at 10:26 AM, lenz <span dir="ltr"><<a href="mailto:norbu09@googlemail.com">norbu09@googlemail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">hi,<div><br></div><div>searching for solutions to this type of problem is a challenge and there are many ways to solve it. give this site (<a href="http://highscalability.com" target="_blank">http://highscalability.com</a>) a thorough read and you might find something.</div>
<div>again, i am with jan, try CouchDB and it might pay off to use a unix based machine for stuff like that. i think you are trying to trick your OS to do things it is not meant for. not going into flame wars about windows here but a basic linux setup is really done in no time and gives you way more control for an application that is "non standard" :-)</div>
<div><br></div><div>cheers</div><div>lenz</div><div><div><div></div><div class="Wj3C7c"><br><div class="gmail_quote">On Wed, Feb 18, 2009 at 7:42 AM, Joe Armstrong <span dir="ltr"><<a href="mailto:erlang@gmail.com" target="_blank">erlang@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">What are the types of the keys and records? Is there are systematic structure in<br>
the keys? are the records fixed or variable lengths? How about using a SSD?<br>
<br>
/Joe Armstrong<br>
<br>
<br>
2009/2/17 Scott Zhang <<a href="mailto:getyourcontacts@gmail.com" target="_blank">getyourcontacts@gmail.com</a>>:<br>
<div><div></div><div>> Hi.<br>
><br>
> I opened a question about mnesia days ago. Now I am facing another question.<br>
><br>
> I am going to scrape large amount of data and put them into database.<br>
> Previously, my program was written in .NET/C# and saved the records into<br>
> SqlServer, after 10 days running, I have 63M records in database which make<br>
> SqlServer really slow, select single record need more than 1 minute which is<br>
> unacceptable.<br>
><br>
> And days ago, I tried to save 7M records in mnesia with table type=<br>
> disc_only_copies. I tested , select single one from that talbe need more<br>
> than 20 seconds which is unacceptable too. ( I don't want to conclude<br>
> mnesia's performance is worse than SqlServer.)<br>
><br>
> Lenz suggested me to use couchDB, just checked, couchDB depends on too much<br>
> things and these depends make it hard to configure on window system.<br>
><br>
> So here, does anyone has a good suggestion for a database can fit 63M(this<br>
> time may get 2billion) and select one node within 1 sec?<br>
><br>
> Thanks.<br>
><br>
> Regards.<br>
><br>
> Scott<br>
><br>
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