Bad Performance When Writing To a Text File On GPFS File System using UTL_FILE (Doc ID 1984173.1)

Last updated on JULY 31, 2017

Applies to:

PL/SQL - Version 11.2.0.3 and later
Information in this document applies to any platform.

Symptoms

Bad performance when writing to a text file on GPFS file system using UTL_FILE.

While using the UTL_FILE to write on a local directory, the elapsed time is much lower than when using UTL_FILE to write on a GPFS directory.
Also utl_file takes longer time to write in to an existing file in the GPFS file system than create a new one.

 

 

Cause

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