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When PEM is configured to use bwc policy and cause re-evaluations due to pem policy change in configuration and/or PCRX could cause leak in bwc memory for active flows.
- memory leak.
- PEM need to be configured to use bwc. - Active flows. - PEM policy change event for live flows.
- restart tmm. - upgrade image. - avoid PEM policy change event for live traffic flows. - attach bwc to pem policy after PEM policy change event.
The case when PEM policy is modified on live traffic, PEM initiates policy re-evaluation. In process internally bwc is detached and attached. During this, the flow active flag is not cleared thus during flow release memory is not released.
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