Seams that one of our clients ends up in the drained byte buffer pool on the CMR. Can be that buffers are not correctly returned to the pool after a certain situation.
The data can be found here: https://drive.google.com/drive/folders/0BxfRIIL6wqYudVM1Y3MyMWNLR1U?usp=sharing and https://drive.google.com/drive/folders/0BxfRIIL6wqYuQnktaElUMmtwd3M?usp=sharing
Needs more investigation.
Could be solved with INSPECTIT-2489.