@Sneha Vadhi , can you please share your configuration for the connection between ReplaceText and ExecuteSQL ? Maybe a little tweak with the Back Pressure and Size Threshold might help you slow down the average load on NiFi. If you know the average size of each flowfile, you can decrease the threshold or backpressure threshold, so that the queue holds less number of flowfiles and after those files are processed, new files are queued. There is a Wait Processor for NiFi, but according to the documentation here, you'll have to setup a cache service on Couchbase or Redis. ... View more