Bug ID 1399253: Tmm restarts due to mcpd disconnect when memory runs out with high tmm CPU and memory xdata use

Last Modified: May 29, 2024

Affected Product(s):
BIG-IP DNS, GTM, LTM(all modules)

Known Affected Versions:
15.1.9, 15.1.9.1, 15.1.10, 15.1.10.2, 15.1.10.3, 15.1.10.4

Opened: Nov 16, 2023

Severity: 2-Critical

Symptoms

Tmm restarts with messages similar to this: alert tmm[24857]: 011a0027:1: Out of memory resources (Resource temporarily unavailable) while attempting to allocate a path table. err tmm[24857]: 011ae0f6:3: Encountered error while processing mcp message at ../gtmdb/db_gtm_path.c:151 : Unable to add path

Impact

Traffic disrupted while tmm restarts.

Conditions

A BIG-IP system is flooded with dns queries with load balancing methods using path metrics.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips