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...md GPU driver, but i do notice bit better perfomance with these higher kernels. Is the Lenovo Thinkpad T520 with Windows 7, connecting over Wifi? Because on wifi, even if i set my laptop 3 meters from the AP, i dont get max. About 1/2 the speeds, if lucky 3/4 the above speeds. Test you wifi with inSSIDer, optimze the chanels. Gave me about +25% speed at home on the wifi. > one of the  virtual machine is the samba VM connected via VPN > Looking to the cpu usage of this VM ist nearly zero during downloads. Did you tweak your MTU sizes? With things like : iptables -A PREROUTING --match polic...

...o notice bit better perfomance with these higher kernels. > > Is the Lenovo Thinkpad T520 with Windows 7, connecting over Wifi? > Because on wifi, even if i set my laptop 3 meters from the AP, i dont get max. > About 1/2 the speeds, if lucky 3/4 the above speeds. > Test you wifi with inSSIDer, optimze the chanels. > Gave me about +25% speed at home on the wifi. > >> one of the  virtual machine is the samba VM connected via VPN >> Looking to the cpu usage of this VM ist nearly zero during downloads. > Did you tweak your MTU sizes? No > With things like : > ipta...

> Limiting the linux-server's max cpu-speed had > the most affect on performance: > (limited to 1.6GHz instead of 2.4GHz) (33% limitation) The server is equipped with an 6 core / 12 tread 3.6 GHz CPU (Intel Core i7-980x   and  a Raid 10 Disk array. The cpu is 90% idle (including webserver traffic and mailserver traffic) during downloads. There is no encryption because the samba VM

Hi all I want to make copy of current scoped object, then change some stuff in arel_table(i need to change table_alias, because i have complicated query) and arel(SelectManager) def self.do_smth query = scoped.dup puts query.arel_table.object_id == scoped.arel_table.object_id # true end Theoretically i can dup arel(SelectManager) but i can not find how to add table alias to that instance

Hi guys I have added possibility pass hash to order method. Also i updated symbol parsing. Here is the pull request - https://github.com/rails/rails/pull/7765 Can you please provide some feedback? So the main idea is to convert symbol or hash into Arel::Nodes::Ordering instead of Arel::Nodes::SqlLiteral. Arel::Nodes::Ordering object contain information about table - so we can, for example,