I'm pretty sure we found the problem.
It's related to memory.
Sometimes Windows seems to unmap index files from memory, because other
processes need it.
To force Windows to map index files again, we need to rebuild the index.
We can clearly see this behaviour with tools like RAMMap.
With servers
Hi all,
We have a solr 8.4.1 server running on Windows. (Very simple setup.)
16GB RAM / JVM-Mem set to 4GB
Solr host 4 cores. (2 GB + 1GB + 75MB + 75MB)
Full data import every night. No delta import.
This server is used for tests by 2 people. (very low request rate)
We have an issue we don't unde
