[rds-devel] Re: FW: Oracle RDS

[Zach Brown]

>>
>>> Added modprobe parameter to the rds module: unsignaled_wrs -  
>>> number of
>>> unsignaled work requests.
>>> The default value is 0.
>>
>> I don't understand why this would be tunable.  Why would we ever  
>> want to
>> signal more than the minimum required?  Are there
>> hardware/switch/firmware issues here I'm missing that would make  
>> someone
>> want to tune this?

Has this question been answered?

> You are right.
> For this reason I propose to set SOLICITED and SIGNALED flags after
> posting a quarter ring and on the last fragment in order to avoid
> consumption of the whole ring.

Why not just on the last fragment?  That seems like it would make the  
patch a lot simpler.

- z