My Oracle Support Banner

Is There A Way To Allocate More Than 2Gb For Large Hash Joins Per Process? (Doc ID 2070261.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
Information in this document applies to any platform.

Goal

  Despite increasing the OS limitations and setting large values for _pga_max_size and _smm_max_size, the query goes to disk after using  ~2GB of memory in workareas for hash join operations in serial mode.

  Is there any method available to allow to a single process acquire 10 GB or more of process memory for large hash join operations?

Solution

To view full details, sign in with your My Oracle Support account.

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


In this Document
Goal
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.