https://community.cloudera.com/t5/Support-Questions/NiFi-JVM-settings-for-large-files/m-p/232749#M194584 <P><A rel="user" href="https://community.cloudera.com/users/363/bbende.html" nodeid="363" target="_blank">@Bryan Bende</A>,</P><P>Thanks for your inputs Bryan.</P><P>This huge JSON file (22gb) we got needs to be cleaned up, while we notified source about the issue and asked them to cleanup before they send it us. i was trying to see if i can use NiFi to fix it. </P><P>as it is this file is not opening in any json viewers or reporting tools as it has white spaces between integers.</P><P>For ex look at second Customer_Id record where it has id as 436 796</P><P>[{"Customer_Id":236768,"Brand":[{"Brand_Nm":"abcc","Question":[{"Question_Txt":"The type of food prefers is ...","Answer":[{"Answer_Txt":"Combination of Both","Response":[{"Response_Dt":"2017-04-10T18:33:40"}]}]},{"Question_Txt":"My favorite is ...","Answer":[{"Answer_Txt":"Over 17 years old","Response":[{"Response_Dt":"2016-12-07T03:43:57"}]}]}]}]},{"Customer_Id":436 796,"Brand":[{"Brand_Nm":"edfr","Question":[{"Question_Txt":"At the end of the day I am greeted with ...","Answer":[{"Answer_Txt":"kisses","Response":[{"Response_Dt":"2017-04-12T01:54:12"}]}]}]}]}</P><P>I am trying to read this as text file and replace those..i used the simple getFile--&gt;ReplaceText--&gt;PutFile processors to do it on a 150MB file which worked fine and took a couple of minutes. I am just being cautious with the big file.</P><P></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="64439-replacetext.jpg" style="width: 601px;"><img src="https://community.cloudera.com/t5/image/serverpage/image-id/14810i679B25E59A00EF4B/image-size/medium?v=v2&amp;px=400" role="button" title="64439-replacetext.jpg" alt="64439-replacetext.jpg" /></span></P> Sun, 18 Aug 2019 00:22:32 GMT saikrishna_tara 2019-08-18T00:22:32Z