Investigate increase in memory usage after TPS test

After performing TPS tests, it seems that baker-0, baker-2 and baker-3 have increased memory consumption for up to 3% compared to all other bakers.

Increase in consumption was noticed after the first TPS test that was including CCD transfer in every transaction. Such a test was first performed on 17/08/22. TPS test results with memory and CPU metrics are available [here](https://drive.google.com/drive/folders/1E4JyEiY-MuKfbU1zYCIdISzRLeQtqLAp).

First test after which metrics increased [link](https://docs.google.com/spreadsheets/d/1I_1xyRZ16KZzepWKDhiUof1ysmydnXTaiLcucKGRRoA/edit#gid=1005117739).

Logs for baker-0 and baker-2, [link](https://drive.google.com/drive/folders/1sGCFfKbVAO-dRCUJ66sbOz3H9FSJFB5n?usp=sharing).

Start by comparing the linked TPS test results and the baker-0 and baker-2 logs, focusing on the first test that included CCD transfers in every transaction. The issue names no repository files or tests; done means identifying why the affected bakers retain more memory and documenting or addressing the cause.

Written by the indexing model from the issue text.