There is no mapping. As a rule of thumb I would say 4 to 8 thread should be ok on a 4-core machine. But you might want to monitor CPU utilization to get more insight.
-Matthias On 6/13/19 10:03 AM, emailtokir...@gmail.com wrote: > Hi, > > Is there any mapping between number of stream threads and underlying CPU > cores? Theoretically there shouldn't be any direct mapping. Because every > stream thread is a Java thread and it should get scheduled on CPU cycle in a > standard way (context switching). Wanted to know is there is any practical > limit on number of stream threads I can span on a CentOS 7 VM with 4vCPUs? > > Thanks, > Kiran >
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