HTCondor was adopted to manage the High Throughput Computing (HTC) cluster at IHEP in 2016. In 2017 a Slurm cluster was set up to run High Performance Computing (HPC) jobs. To provide accounting services for these two clusters. we implemented a unified accounting system named Cosmos. https://www.bekindtopets.com/great-save-C3-dermatome-13020-great-choice/