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Heavy Usage of /TMP Space with DG4MQL 11.2 (Doc ID 1606928.1)

Last updated on FEBRUARY 25, 2022

Applies to:

Oracle Database Gateway for SQL Server - Version to [Release 11.2]
Information in this document applies to any platform.


While running complex queries the /tmp filesystem is heavily used by the Database Gateway for SQL*Server (DG4MSQL) processes.

Use the following unix commands to verify the usage -

  • ps-ef |grep dg4msql

>>>> take note of process id (PID)

  • for each PID found with the above command check file descriptors used by the relevant processes -

 ls -l /proc/PID_x/fd

  • and check file names in /tmp
  • while leaving dg4msql running check size with -

 ls -l /tmp


On Windows systems, the impacted file system are  \temp or the directory specified in user/system enviroment variable as TEMP.



 The issue was introduced with


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