How to reduce heap size? whether heap size is related to garbage collector? If it is yes then how to run garbage collector manually?
I am using NiFi but I am not getting OOM error. The process are running faster when we start the cluster but slowly after some time we are seeing slowness in the query run time.
I am using NIFI and there is no error but the process is running slow. When we restart the cluster the process are running faster and then its slowly after sometime the process are running slow.
There could be a number of things causing the flow to slow down.
How many processors are in the flow? What is the volume of data through the flow? Have you increased the default value for Maximum number of Timer driven threads? How many nodes are in your cluster?