Re: [HACKERS] [GSoC] (Is it OK to choose items without % mark in theToDoList) && (is it an acceptable idea to build index on Flash Disk)

2008-03-25 Thread mx
Thank you for all of your advices. I think you're right. I should be more realistic. There are so many work to do if I want to do some work on Flash disk. It's too difficult to complete the task only in a summer. Obviously, It's not an appropriate project idea for GSoC anyway. Maybe I'll do it in t

Re: [HACKERS] [GSoC] (Is it OK to choose items without % mark in theToDoList) && (is it an acceptable idea to build index on Flash Disk)

2008-03-25 Thread mx
> > On Tue, 25 Mar 2008, mx wrote: > > > The atom unit of flash is page(512~2048byte typically). Page are > > organized into blocks, typically of 32 or 64 pages. All read write and > > write operations happen at page granularity, but erase operations happen > > at

Re: [HACKERS] [GSoC] (Is it OK to choose items without % mark in theToDoList) && (is it an acceptable idea to build index on Flash Disk)

2008-03-24 Thread mx
Thank you for your suggestion! > 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 mul

[HACKERS] [GSoC] (Is it OK to choose items without % mark in theToDoList) && (is it an acceptable idea to build index on Flash Disk)

2008-03-24 Thread mx
Hello,Everyone! 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