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

Last updated on JANUARY 18, 2017

Applies to:

Oracle Database Gateway for SQL Server - Version 11.2.0.2 to 11.2.0.4 [Release 11.2]
Information in this document applies to any platform.

Symptoms

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.

 


Changes

 The issue was introduced with 11.2.0.2-11.2.0.3

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms