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Forum Discussion

iRule's avatar
iRule
Icon for Cirrus rankCirrus
Apr 24, 2021

Increasing ASM log capacity in F5

Dear Community, The default capacity of storing ASM event logs in F5 is 2GB. If we increase this capacity to 4GB, please inform will it cause negative impact on health and performance of F5?
application delivery
ASM Advanced WAF
BIG-IP
security
Dario_Garrido's avatar
Dario_Garrido
Icon for Noctilucent rankNoctilucent
Apr 25, 2021

Hello iRule.

You should use an external logging instead of increasing the ASM DB size, because that could impact the system performance.

https://devcentral.f5.com/s/question/0D51T00006i7ggB/changing-the-default-asm-db-log-size-and-the-default-number-of-entries

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The reasons are shown next:

https://devcentral.f5.com/s/question/0D51T00006zslVc/asm-event-log-with-local-storage

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How to rollback to the legacy ASM v11.6 logging:

https://support.f5.com/csp/article/K16053

https://support.f5.com/csp/article/K10651

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Regards

Dario.