For more information, see the vSphere Resource Management Guide. Using figures from vSphere 4 the following will take place:. Join 78 other followers. The first thing to do is to configure the cluster swap file setting: Scott Drummonds tested an Oracle database VM against an OLTP load generation tool and researched the lack of impact of the balloon driver on the performance of the virtual machine. Leave a Reply Cancel reply Your email address will not be published.

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The VM initally was allocated 4GB, it used it up. Swap to Host Cache: You are commenting using your Twitter account.

Understanding VMware Ballooning

Email required Address never made public. This setting is found under Configuration Parameters in the advanced settings for a virtual machine:.

And there always seem to be expert that is recommending disabling ballooning. Home Questions Tags Users Unanswered.

Disable ballooning? –

This feature is very helpful and a lot faster than swapping. Because the Guest OS is fully aware of the memory state, the virtual machine will keep on performing as long as it has idle or free pages.


Given the constrained RAM situation described in this questionwhat is the cleanest method manual or programmatically to: Memory compression is enabled by default, however it can be disabled by changing the following advanced setting:. If you are over-committing your hosts then this is an important topic to review. This article provides the steps to disable the balloon driver in a virtual machine.

More info on HA can be found in the HA deep dive on yellow-bricks.

For more information on backing up and restoring the registry, see the Microsoft Knowledge Base nalloon The older page will be swapped out. You should see any existing datastores that reside on SSD storage.

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We’ll assume you’re ok with this, but you can opt-out if you wish. English Japanese Chinese Simplified. To find out more, including how to control cookies, see here: Dusable in your details below or click an icon to log in: This procedure modifies the Windows registry. You must edit the configuration file.

The demand of the virtual machine is too high for the host to handle. For more information on backing up and restoring the registry, see the Microsoft Knowledge Base article To re-enable the balloon driver in a virtual machine: With our short blog post, we give you the idea how it works and where to look at the metrics, but one must study further to get the whole picture how all memory management techniques work within VMware infrastructure. Why is disabling the ballooning mechanism bad?


For translated versions of this article, see: I hope your article helps others as much as it did me. Host-level Swapping In contrast to ballooning, host-level swapping does not communicate with the Guest OS. Visiting Indian Ocean and Reunion Island? If you continue to use this site, you consent to our use of cookies. By continuing to use this website, you agree to their use.

There were no obstacles to enable the correct VMware Tools vmmemctl driver, so running the suggested command.