https://community.cloudera.com/t5/Support-Questions/NiFi-To-count-the-appearance-of-a-particular-word-in-10/m-p/324623#M229423 <P>You can write a simple custom processor which uses local caching (like <SPAN>Caffeine cache implementation</SPAN>) with cache expiry time as ur window time and build the logic.</P><P>May be you can store words in cache and keep updating the count or something like that</P> Fri, 17 Sep 2021 11:16:11 GMT hegdemahendra 2021-09-17T11:16:11Z