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HIGH Swap Memory Utilization

Dear Experts,

I have virtual BIG-IP running with 13.1.0.8 deployed in HA. Allocated memory is 16 GB, LTM, ASM & APM have been licensed and provisioned.

Noticed that Swap Memory utilization is almost 100%.

Verified with command "tmsh show /sys memory", noticed that almost all allocated Swap Memory is used.

Verified with command "free -m" and got the same result that almost all allocated Swap Memory is used.

However TMM memory utilization is normal.

Performed HA Failover, found that BIG-IP which took Active role because of HA Failover has high Swap Memory Utilization. Even the BIG-IP which was Active before HA Failover (now as passive) didn't release the memory for multiple weeks.

I restarted services on Passive BIG-IP and found swap memory utilization is low now.

Any input would be highly appreciated.

Thank you

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USER ACCEPTED ANSWER & F5 ACCEPTED ANSWER

You should raise a support case with F5 Support - this might be a bug in v13.1.0.8. E-mail: support@f5.com

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Comments on this Answer
Comment made 1 month ago by Fozail 226

I experienced the same issue with even 13.1.1.X as well.

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