Re: [PATCH v3 2/2] xen/block: add multi-page ring support

2015-05-20 Thread Roger Pau Monné
El 15/05/15 a les 14.06, Bob Liu ha escrit: > > On 05/15/2015 07:13 PM, Roger Pau Monné wrote: >> El 12/05/15 a les 13.01, Bob Liu ha escrit: >>> Extend xen/block to support multi-page ring, so that more requests can be >>> issued >>> by using more than one pages as the request ring between blkfr

Re: [PATCH v3 2/2] xen/block: add multi-page ring support

2015-05-15 Thread Bob Liu
On 05/15/2015 07:13 PM, Roger Pau Monné wrote: > El 12/05/15 a les 13.01, Bob Liu ha escrit: >> Extend xen/block to support multi-page ring, so that more requests can be >> issued >> by using more than one pages as the request ring between blkfront and >> backend. >> As a result, the performance

Re: [PATCH v3 2/2] xen/block: add multi-page ring support

2015-05-15 Thread Roger Pau Monné
El 12/05/15 a les 13.01, Bob Liu ha escrit: > Extend xen/block to support multi-page ring, so that more requests can be > issued > by using more than one pages as the request ring between blkfront and backend. > As a result, the performance can get improved significantly.

[PATCH v3 2/2] xen/block: add multi-page ring support

2015-05-12 Thread Bob Liu
Extend xen/block to support multi-page ring, so that more requests can be issued by using more than one pages as the request ring between blkfront and backend. As a result, the performance can get improved significantly. We got some impressive improvements on our highend iscsi storage cluster bac