Oracle-L: RE: Oracle Compress Option

From: Matthew Zito <mzito_at_gridapp.com>
Date: Thu, 25 Sep 2003 09:24:44 -0800
Message-ID: <F001.005D10F8.20030925092444@fatcity.com>

On our appliance, to get around the irritating load-balancing+failover issue, we're using 802.3ad link aggregation. Trying to load-balance Gigabit is really an exercise in futility - almost all of the performance improvement comes from improved interrupt queuing (and even that is already mitigated on the card through coalescing interrupts). The real benefit is the failover - that works very very well.

Thanks,
Matt

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Matthew Zito
GridApp Systems
Email: mzito_at_gridapp.com
Cell: 646-220-3551
Phone: 212-358-8211 x 359
http://www.gridapp.com <http://www.gridapp.com/>

-----Original Message-----

Jamadagni, Rajendra
Sent: Thursday, September 25, 2003 12:45 PM To: Multiple recipients of list ORACLE-L

we monitor it through nmon ... (aix utility). GC traffic is not load balanced across both interconnects if that is what you mean. There is no way .. first one is used and if that fails the second is used. We are NOT using cluster interconnects I saw some bug reports ... on Metalink.

Raj

Rajendra dot Jamadagni at nospamespn dot com All Views expressed in this email are strictly personal. QOTD: Any clod can have facts, having an opinion is an art !

-----Original Message-----

Sent: Thursday, September 25, 2003 12:15 PM To: Multiple recipients of list ORACLE-L

Raj,

How can we know if only one Pvt Interconnect is used at a given time? How are you monitoring them real-time? Is the GC traffic not load balanced ? Are you using cluster_interconnects?

Thanks,
Ravi.

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Author: Matthew Zito
INET: mzito_at_gridapp.com

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