Re: [Libevent-users] mysql client with libevent

[William Ahern <william@xxxxxxxxxxxxxxxxxx>]

On Wed, Aug 31, 2011 at 09:10:35PM -0500, Nulik Nol wrote:
<snip>
> I have searched quickly what database engine supports asynchronous io
> and found quite a lot of good projects, one of them called Redis, it
> is a sort of replacement for memcachedb. Nice stuff! Check it out:
> http://redis.io/
>
> I think I am going to discard MySQL and go for using Berkeley DB, I
> can design specialized data fetches (sort if implementing my own
> database server optimized for my app) completely in-memory with
> occasional replication to disk. Like Redis.
> Even though Berkeley DB still doesn't support non-blocking read/write
> it makes sense to spend some time on writing thread functions for it
> than coding the same on top of SQL, would it be MySQL, PostgreSQL or
> whatever. I didn't test it yet, but seems like I could get about 2x to
> 3x speed up this way on all data fetches.
> 

FWIW, the PostgreSQL C client API works non-blocking. It's quite well
designed.

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