Rapid growth on sys_json_chunk Issue In the past days sys_json_chunk table size being increased dramatically. Even after a clean up on the table, it only take days to grow back the size to high.CauseThe debug mode is on for flow_engine which give big contribute to sys_flow_log table that affect the sys_json_chunk growthResolutionFrom OOTB the default value of that property (com.glide.hub.flow_engine.listener_trace.threshold) should be ERROR which keep the logs to a minimum especially on a production instance.https://docs.servicenow.com/bundle/rome-application-development/page/administer/flow-designer/reference/flow-designer-system-properties.htmlCustomer's instance in this case set the flow engine to DEBUG mode which add lot flow context logging details to sys_flow_log table After revert back the flow engine property (com.glide.hub.flow_engine.listener_trace.threshold) to OOTB i.e. ERROR the growth stabilised both on sys_flow_log and sys_json_chunk