Export suspended for hours in Oracle 9i

Hi all

I was exporting schema using below command, but its hanging at point for hours and wait event is "SQL * Net more data to the client. Not able to find the reason for this simple export operation.
SQL> select * from v$version;
BANNER
----------------------------------------------------------------
Oracle9i Enterprise Edition Release 9.2.0.1.0 - 64bit Production
PL/SQL Release 9.2.0.1.0 - Production
CORE    9.2.0.1.0       Production
TNS for Solaris: Version 9.2.0.1.0 - Production
NLSRTL Version 9.2.0.1.0 - Production


nohup exp "'/ as sysdba'" file=/u05/gpcomp5/gpcomp5_2.dmp log=/u05/gpcomp5/gpcomp5_2.log buffer=524288000 owner=GPCOMP5 statistics=none compress=n &


select sid, event, state, wait_time, seconds_in_wait from v$session_wait where sid=21;
  SID EVENT                                                            STATE                WAIT_TIME SECONDS_IN_WAIT
----- ---------------------------------------------------------------- ------------------- ---------- ---------------
   21 SQL*Net more data to client                                      WAITING                      0            4209

SQL> select * from v$sesstat where sid=21 and STATISTIC# in (236,237,238);

  SID STATISTIC#      VALUE
----- ---------- ----------
   21        236 1147084531
   21        237   39159634
   21        238    2890718

Below is the sql query this export is executing:
SELECT /*+NESTED_TABLE_GET_REFS+*/ "GPCOMP5"."GPTODO".* FROM "GPCOMP5"."GPTODO"
Also, I checked the temp space and cancel the use of space... but to no avail.

This table GPCOMP5. "' GPTODO ' size is 0.8 MB and only 1 row exist.

Please suggest me!

-Yasser

A record of 0.8 MB. It must be a chained record, and it does not fit in a bag of sqlnet of 2048 bytes, not in a 1508 bytes tcp/ip packet:

Sqlnet enter: send more data to the client, which occurs when the sqlnet package cannot be suddenly.

You must ensure that the SDU listener.ora and tnsnames.ora is a multiple of the MTU of your network card.

-------------
Sybrand Bakker
Senior Oracle DBA

Tags: Database

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