Re: [PATCHv8 00/32] THP-enabled tmpfs/shmem using compound pages

2016-06-13 Thread Kirill A. Shutemov
On Wed, Jun 08, 2016 at 02:43:44PM -0400, neha agarwal wrote: > On Mon, Jun 6, 2016 at 9:51 AM, Kirill A. Shutemov > wrote: > > > On Wed, May 25, 2016 at 03:11:55PM -0400, neha agarwal wrote: > > > Hi All, > > > > > > I have been testing Hugh's and Kirill's huge tmpfs patch

Re: [PATCHv8 00/32] THP-enabled tmpfs/shmem using compound pages

2016-06-13 Thread Kirill A. Shutemov
On Wed, Jun 08, 2016 at 02:43:44PM -0400, neha agarwal wrote: > On Mon, Jun 6, 2016 at 9:51 AM, Kirill A. Shutemov > wrote: > > > On Wed, May 25, 2016 at 03:11:55PM -0400, neha agarwal wrote: > > > Hi All, > > > > > > I have been testing Hugh's and Kirill's huge tmpfs patch sets with > > >

Re: [PATCHv8 00/32] THP-enabled tmpfs/shmem using compound pages

2016-06-06 Thread Kirill A. Shutemov
On Wed, May 25, 2016 at 03:11:55PM -0400, neha agarwal wrote: > Hi All, > > I have been testing Hugh's and Kirill's huge tmpfs patch sets with > Cassandra (NoSQL database). I am seeing significant performance gap between > these two implementations (~30%). Hugh's implementation performs better >

Re: [PATCHv8 00/32] THP-enabled tmpfs/shmem using compound pages

2016-06-06 Thread Kirill A. Shutemov
On Wed, May 25, 2016 at 03:11:55PM -0400, neha agarwal wrote: > Hi All, > > I have been testing Hugh's and Kirill's huge tmpfs patch sets with > Cassandra (NoSQL database). I am seeing significant performance gap between > these two implementations (~30%). Hugh's implementation performs better >

Re: [PATCHv8 00/32] THP-enabled tmpfs/shmem using compound pages

2016-05-25 Thread Kirill A. Shutemov
On Wed, May 25, 2016 at 05:11:03PM -0400, neha agarwal wrote: > On Wed, May 25, 2016 at 4:03 PM, Kirill A. Shutemov > wrote: > > > On Wed, May 25, 2016 at 03:11:55PM -0400, neha agarwal wrote: > > > Hi All, > > > > > > I have been testing Hugh's and Kirill's huge tmpfs

Re: [PATCHv8 00/32] THP-enabled tmpfs/shmem using compound pages

2016-05-25 Thread Kirill A. Shutemov
On Wed, May 25, 2016 at 05:11:03PM -0400, neha agarwal wrote: > On Wed, May 25, 2016 at 4:03 PM, Kirill A. Shutemov > wrote: > > > On Wed, May 25, 2016 at 03:11:55PM -0400, neha agarwal wrote: > > > Hi All, > > > > > > I have been testing Hugh's and Kirill's huge tmpfs patch sets with > > >

Re: [PATCHv8 00/32] THP-enabled tmpfs/shmem using compound pages

2016-05-25 Thread Kirill A. Shutemov
On Wed, May 25, 2016 at 03:11:55PM -0400, neha agarwal wrote: > Hi All, > > I have been testing Hugh's and Kirill's huge tmpfs patch sets with > Cassandra (NoSQL database). I am seeing significant performance gap between > these two implementations (~30%). Hugh's implementation performs better >

Re: [PATCHv8 00/32] THP-enabled tmpfs/shmem using compound pages

2016-05-25 Thread Kirill A. Shutemov
On Wed, May 25, 2016 at 03:11:55PM -0400, neha agarwal wrote: > Hi All, > > I have been testing Hugh's and Kirill's huge tmpfs patch sets with > Cassandra (NoSQL database). I am seeing significant performance gap between > these two implementations (~30%). Hugh's implementation performs better >

[PATCHv8 00/32] THP-enabled tmpfs/shmem using compound pages

2016-05-12 Thread Kirill A. Shutemov
This update aimed to address my todo list from lsf/mm summit: - we now able to recovery memory by splitting huge pages partly beyond i_size. This should address concern about small files. - bunch of bug fixes for khugepaged, including fix for data corruption reported by Hugh. -

[PATCHv8 00/32] THP-enabled tmpfs/shmem using compound pages

2016-05-12 Thread Kirill A. Shutemov
This update aimed to address my todo list from lsf/mm summit: - we now able to recovery memory by splitting huge pages partly beyond i_size. This should address concern about small files. - bunch of bug fixes for khugepaged, including fix for data corruption reported by Hugh. -