Export is too slow using @sid

Experts please tell why it is taking too much time using @sid?
I have read this in orafaq
http://www.orafaq.com/forum/t/71979/2/
Is this database on the same server as you are doing the export? Exporting using a TNS entry is very slow, even if it is on the same server. Can you export directly from the database server? If it's on the same server, set your ORACLE_SID first and then leave the TNS entry off.when i do export with @xe its taking 35 minutes
But if I ran same export without @xe it takes 1 minutes
db version is
BANNER
Oracle Database 10g Express Edition Release 10.2.0.1.0 - Product
PL/SQL Release 10.2.0.1.0 - Production
CORE 10.2.0.1.0 Production
TNS for 32-bit Windows: Version 10.2.0.1.0 - Production
NLSRTL Version 10.2.0.1.0 - Production

No.
What matters is you are using the TCP protocol, a routable protocol, when you use tnsnames.ora
When you set Oracle_sid, you use the IPC/BEQ protocol, a non-routable protocol, communicating using Interprocess communication between your session and the dedicated server process.
A difference of a factor 5 is quite normal.
Sybrand Bakker
Senior Oracle DBA

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Photo_op8 wrote:
BradKaye wrote:
I'd have to agree with the subject of this 100%, even though I'm not experiencing anywhere near the levels of lag ellsworth is on any of my primary workhorses.
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Wow, I'm glad you repeated that, and used capitalized text so that I would be sure to understand.
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Brad Kaye wrote:
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Message was edited by: Zombie Flanders
Message was edited by: Zombie Flanders

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edited.

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Export is too slow using @sid

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