> I'm a student in China. and I'm preparing for GSocC2008 in these days.
> There are two questions about GSoC.
> 1. There's a paragraph about the Example Proposal Ideas in PostgreSQL Summer
> Projects website.
> *TODO Items*: A number of the items on our TODO list have been marked as
>> good projects for beginners who are new to the PostgreSQL code. Items on
>> this list have the advantage of already having general community agreement
>> that the feature is desireable. These items should also have some general
>> discussion available in the mailing list archives to help get you started.
>> *You can find these items on the TODO<http://www.postgresql.org/docs/faqs.TODO.html>list, they will be marked with a percent sign (%)
> I didn't get attention to this paragraph before, so I choose some items
> without % in the List.
> *Is it OK?*
Yes, absolutely. The '%' sign is just a hint that those items are easier
than others, and therefore good items to pick up as a beginner.
> By the way, I'm writing proposal for multi-column hash now.
The biggest problem with the hash index is currently that there's no
significant performance over b-tree. If you want to work on hash
indexes, I would suggest doing benchmarking and looking at ways to
improve performance, before spending time on making it multi-column
capable. And missing WAL logging is a big issue as well.
> 2. I'm currently in my fourth year of studies. And I'm in a lab doing
> database research.
> My thesis work is about B-Tree index in NAND Flash Disk. I want to do it
> based on PostgreSQL..
> I know embedded server is the feature that postgreSQL don't want. But flash
> Disk is developing very fast. It's a trend that Flash Disk will replace
> magnetic disk one day just like what Jim Gray said "Tape is dead, disk is
> tape, flash is disk", though nowadays flash device is only widely used in
> embedded devices.
> *So, how about a project idea on NAND Flash disk without limited-resource
> *Is it an acceptable idea?*
Maybe, hard to tell without more details. What difference does it make
if the b-tree is on a flash device, as opposed to disk? What's different
in general when you run on a flash disk?
The "embedded server" idea in the "not wanted" list refers to the idea
of running PostgreSQL in the same process as the client. If I understood
you correctly, you're proposing something quite different.
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