[SunRay-Users] Performance tanks after upgrading to 1GB switch, had 100MB

2012-09-26 Thread Kevin J Kelly
blocks of lines across the screen when I play local video files. I am running Ubuntu 11.04 with Sun Ray Software 5.2 bundle Firmware version=4.3_146928-01_2011.06.03.14.41, revision=2 Sunray server connection is 1GB, Sun Ray 2's primarily Essentially I had a unmanaged 100MB Netgear switch worked

Re: [SunRay-Users] Performance tanks after upgrading to 1GB switch, had 100MB

2012-09-26 Thread David Bullock
Hi Kevin, Most likely thing is that the new switch is not successfully negotiating full-duplex on the ethernet link. It really kills throughput and ... potentially leads to collisions (which gets you packet loss). You should force both ends of the relevant links to full-duplex. *David Bullock

Re: [SunRay-Users] Performance tanks after upgrading to 1GB switch, had 100MB

2012-09-26 Thread Craig Bender
Try adding set hires_tick = 1 to /etc/system and reboot On 9/26/12 6:14 PM, David Bullock wrote: Hi Kevin, Most likely thing is that the new switch is not successfully negotiating full-duplex on the ethernet link. It really kills throughput and ... potentially leads to collisions (which

Re: [SunRay-Users] Performance tanks after upgrading to 1GB switch, had 100MB

2012-09-26 Thread David Bullock
On 27 September 2012 11:30, Craig Bender craig.ben...@oracle.com wrote: Try adding set hires_tick = 1 to /etc/system and reboot Hi Craig, you seem to be referring to lore written up in section 18.11.4.1 of http://docs.oracle.com/html/E22661_15/Troubleshooting-Performance.htmlwhere it