2018-04-22 0:23 GMT+08:00 Jens Axboe :
> On 4/21/18 8:07 AM, Zhengyuan Liu wrote:
>> 2018-04-20 22:34 GMT+08:00 Jens Axboe :
>>> On 4/19/18 9:51 PM, Zhengyuan Liu wrote:
Hi, Shaohua
I found it indeed doesn't do front merge when two threads flush plug list
concurrently. To
>>
On 4/21/18 8:07 AM, Zhengyuan Liu wrote:
> 2018-04-20 22:34 GMT+08:00 Jens Axboe :
>> On 4/19/18 9:51 PM, Zhengyuan Liu wrote:
>>> Hi, Shaohua
>>>
>>> I found it indeed doesn't do front merge when two threads flush plug list
>>> concurrently. To
>>> reappear , I prepared two IO threads , named
2018-04-20 22:34 GMT+08:00 Jens Axboe :
> On 4/19/18 9:51 PM, Zhengyuan Liu wrote:
>> Hi, Shaohua
>>
>> I found it indeed doesn't do front merge when two threads flush plug list
>> concurrently. To
>> reappear , I prepared two IO threads , named a0.io and a1.io .
>> Thread a1.io uses libaio to
On 4/19/18 9:51 PM, Zhengyuan Liu wrote:
> Hi, Shaohua
>
> I found it indeed doesn't do front merge when two threads flush plug list
> concurrently. To
> reappear , I prepared two IO threads , named a0.io and a1.io .
> Thread a1.io uses libaio to write 5 requests :
> sectors: 16 + 8, 40
