HorizontalDiscoverySensor sensor consumes Excessive Memory with some Horizontal Discovery patterns which generate multi page inputs.
Steps to Reproduce
The issue was observed with 'EMC ISILON' pattern multipage sensor runs leading to Excessive Memory alerts on the affected nodes.
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As a workaround, please import the attached HorizontalDiscoverySensor sensor xml file which contains a code modification to the affected instance.
Note: Please remember that modifying the sensor will lead to it being skipped it when upgrading the instance. After the upgrade to a fixed version, check the skipped changes from the upgrade history and revert the "HorizontalDiscoverySensor" Sensor to the out of box version.
Related Problem: PRB1372949