Ah yes, good point. I have seen that before also. On Wed, Feb 10, 2010 at 12:56 PM, Aaron Leonard <aachleon@xxxxxxxxx> wrote: > One thing to note though...the AWR won't show if your network or sysadmins > have plugged other devices into your interconnect switch and started pumping > other data through it. I recently ran into this, so make sure your > interconnect switch is truly dedicated to RAC before completely relying on > those AWR stats for this purpose. > > > > On Wed, Feb 10, 2010 at 12:42 PM, Andrew Kerber > <andrew.kerber@xxxxxxxxx>wrote: > >> There is traffic statistics available in the AWR, but if you want more >> than that you would have to use some sort of network sniffer. However, I >> would think the AWR would be sufficient, I think it shows number of blocks >> in each direction, >> >> >> On Wed, Feb 10, 2010 at 12:34 PM, Karl Arao <karlarao@xxxxxxxxx> wrote: >> >>> Hi List, >>> >>> >>> How do you measure the network traffic going on your RAC interconnect? >>> on the Oracle and OS side... >>> >>> Can you share the efficient tools that you use? >>> >>> I'm trying to figure out (aside from the GC wait events popping out on >>> the AWR)... how would you know if your interconnect is congested? >>> >>> Let's say I had some RAC node evictions, I want to measure if it's >>> really the interconnect that is congested (I'm looking for the >>> numbers).. the same way that I'll be looking on the CPU scheduling and >>> disk IO issues... >>> >>> >>> >>> >>> - Karl Arao >>> karlarao.wordpress.com >>> -- >>> //www.freelists.org/webpage/oracle-l >>> >>> >>> >> >> >> -- >> Andrew W. Kerber >> >> 'If at first you dont succeed, dont take up skydiving.' >> > > -- Andrew W. Kerber 'If at first you dont succeed, dont take up skydiving.'