Re[4]: [HACKERS] Allowing WAL fsync to be done via O_SYNC

[Xu Yifeng]

Hello Alfred,

Friday, March 16, 2001, 3:21:09 PM, you wrote:

AP> * Xu Yifeng <[EMAIL PROTECTED]> [010315 22:25] wrote:
>>
>> Could anyone consider fork a syncer process to sync data to disk ?
>> build a shared sync queue, when a daemon process want to do sync after
>> write() is called, just put a sync request to the queue. this can release
>> process from blocked on writing as soon as possible. multipile sync
>> request for one file can be merged when the request is been inserting to
>> the queue.

AP> I suggested this about a year ago. :)

AP> The problem is that you need that process to potentially open and close
AP> many files over and over.

AP> I still think it's somewhat of a good idea.

I am not a DBMS guru.
couldn't the syncer process cache opened files? is there any problem I
didn't consider ?

-- 
Best regards,
Xu Yifeng



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