Version 11.2 or higher

For Version 11.2+ there is a new VM variable:

pf.controller.threadpool.min.size=3

Minimum number of workers in thread pool for scheduled tasks. The thread pool automatically extends if more workers are required to complete all tasks in a timely manner. The number of expected threads (active+idle) should average at 20 with peaks up to 1000 (e.g. during start).

Version 10.6

For Version 10.6. there is a new VM variable:

pf.controller.threadpool.size=10

Fixed number of workers in thread pool for scheduled tasks (client)

pf.controller.threadpool.server.size=100

Fixed number of workers in thread pool for scheduled tasks (server)

To be used as command line option, e.g. -Dpf.controller.threadpool.server.size=50 in PowerFolder-Server.sh start script.

Monitoring

Number of threads can be checked at Web/Logs/Threads/Remove filter
Threadpool threads have names starting with "Controller-Thread-"
Log messages regarding threadpool look like this:

Scheduled threadpool status: Currently active threads 850/850

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