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help -- extremely slow read blob

From: Kenny Yu <kyu_at_biodiscovery.com>
Date: Thu, 8 May 2003 09:05:07 -0700
Message-ID: <vbkvqi9barpjc2@corp.supernews.com>


On two servers, which happen to be outside US, the java application is extremely slow in loading images stored as BLOB. 15 minutes for a 10 mb tiff, as compared to 20 seconds normally seen on the server in the States. Both slow instances are on RAID 5. Execution plans and autotrace turn out as fine as on the fast servers. I captured the running sql to be dbms_lob.read that's taking the time. Even running the client app on the server box is slow; ruling out the network as the culprit. The schemas are the same, as well as the client code. Anyone ran into similar problem before?

Kenny
kyu_at_biodiscovery.com Received on Thu May 08 2003 - 11:05:07 CDT

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