Java hprof files in /opt/vmware/heapdump/hms filling up the space for the /opt/vmware/heapdump partition.
vSphere Replication 8.x
vSphere Replication 9.x
These are java memory dump files
Clear out the files
cd /opt/vmware/heapdump/hms
# rm *.hprof
Once the files are removed, monitor the environment to see if this continues.
If issue persists, you can increase the virtual machine memory size after checking the current memory consumption. To check the current memory consumption of the appliance see article