# Very large files in the Ignition's directory

**URL:** <https://forum.inductiveautomation.com/t/very-large-files-in-the-ignitions-directory/17323>\
**Category:** Ignition\
**Created:** [March 12, 2018, 1:46am UTC](https://forum.inductiveautomation.com/t/very-large-files-in-the-ignitions-directory/17323 "2018-03-12T01:46:48Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Vince](https://avatars.discourse-cdn.com/v4/letter/v/b5e925/32.png) [@Vince](https://forum.inductiveautomation.com/u/Vince)\
**Post date:** [March 12, 2018, 1:46am UTC](https://forum.inductiveautomation.com/t/very-large-files-in-the-ignitions-directory/17323/1 "2018-03-12T01:46:48Z")

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Does somebody know what are theses files that use a lot of space in the Ignition’s directory?

 ![](https://us1.discourse-cdn.com/inductiveautomation/original/2X/a/af50a1b39b5555982ec8fc558a49595c67a0f082.png)

Thanks.

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**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [March 12, 2018, 2:06am UTC](https://forum.inductiveautomation.com/t/very-large-files-in-the-ignitions-directory/17323/2 "2018-03-12T02:06:28Z")

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Pretty sure that’s a “MiniDump” file from a crash. Ironically named. /-:

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**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\
**Post date:** [March 12, 2018, 12:49pm UTC](https://forum.inductiveautomation.com/t/very-large-files-in-the-ignitions-directory/17323/3 "2018-03-12T12:49:35Z")

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Memory dump… you or someone else must have added `-XX:+HeapDumpOnOutOfMemoryError` to your ignition.conf???

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**Author:** ![Vince](https://avatars.discourse-cdn.com/v4/letter/v/b5e925/32.png) [@Vince](https://forum.inductiveautomation.com/u/Vince)\
**Post date:** [March 12, 2018, 6:04pm UTC](https://forum.inductiveautomation.com/t/very-large-files-in-the-ignitions-directory/17323/4 "2018-03-12T18:04:12Z")

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> [@Kevin.Herron](#):
>
> HeapDumpOnOutOfMemoryError

No. I just check and that switch is not set in the ignition.conf file.