The -Dcache.usage.id.generation.enabled setting in the wrapper.conf file was introduced for enabling/disabling caching of generated IDs for CIs, jobs, and URM resources.
You may disable the caching in order to use the old cache when necessary, for example, when you encounter heap space consumption issue. To do so,
1- Locate the C:\UCMDB\UCMDBServer\bin\wrapper.conf file.
2- Uncomment the following lines:
#Enables caching of the generated IDs for CIs, jobs, and urm resources
By default caching is disabled as the above lines are commented out.
3- Restart the UCMDB Server for the change to take effect