Re: [Maria-developers] Memory barrier problem in InnoDB/XtraDB mutex implementation causing hangs

2015-05-26 Thread Kristian Nielsen
MARK CALLAGHAN writes: > What about ARM which has a much weaker memory model compared to x86? Yes. There is in fact a bug about it: https://mariadb.atlassian.net/browse/MDEV-7658 - Kristian. ___ Mailing list: https://launchpad.net/~maria-develo

[Maria-developers] step7 (cleanup) MDEV-7950 Item_func::type() takes 0.26% in OLTP RO

2015-05-26 Thread Alexander Barkov
Hi Sergey, please review the next step for MDEV-7950. It breaks get_mm_parts() into a virtual method in Item, so - replaces one virtual call item->type() to another virtual call, item->get_mm_tree(). - and also removes this virtual call for functype(), which used to distinguish between CON

Re: [Maria-developers] [GSoC] And it begins

2015-05-26 Thread Richard Bensley
Good luck, and have fun! Looking forward to the blog posts. On Monday, 25 May 2015 05:22:08 UTC+1, Sriram Patil wrote: > > Hi All, > > Today is the official day (at least in my timezone) to start working on > the GSoC'15 projects. I am totally excited! I will be working on MaxScale, > MXS-2, for

Re: [Maria-developers] Memory barrier problem in InnoDB/XtraDB mutex implementation causing hangs

2015-05-26 Thread MARK CALLAGHAN
What about ARM which has a much weaker memory model compared to x86? On Sat, May 23, 2015 at 12:46 AM, Kristian Nielsen wrote: > Stewart Smith writes: > > >> It is probably still incorrect for some other architectures (eg. > multi-core > >> ARM). > > > > What about POWER? It's officially suppor