https://community.cloudera.com/t5/Archives-of-Support-Questions/Nifi-how-does-listFile-recognizes-which-filesa-are-newly/m-p/227283#M70226 <A rel="user" href="https://community.cloudera.com/users/30155/salometkhilaishvili.html" nodeid="30155">@sally sally</A><P>If the server NiFi is running on shuts down, NiFi when restarted, will come back up in the last known state. So, the state for the ListHDFS processor will be recovered and it will resume the listing from the last known timestamp.</P> Wed, 25 Oct 2017 19:41:19 GMT Wynner 2017-10-25T19:41:19Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Nifi-how-does-listFile-recognizes-which-filesa-are-newly/m-p/227282#M70225 <P>As i have recognized each flowfile has it's different timestamp and if we send new flowfile in listHdfs processor it will have different timestamp from old ones so processor will send it to sucess "queue" , but what if there will be network or electricity problem and nifi will be timely turn off , in this case will listHdfs processor remember the last state?</P> Wed, 25 Oct 2017 14:45:56 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Nifi-how-does-listFile-recognizes-which-filesa-are-newly/m-p/227282#M70225 salome_tkhilais 2017-10-25T14:45:56Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Nifi-how-does-listFile-recognizes-which-filesa-are-newly/m-p/227283#M70226 <A rel="user" href="https://community.cloudera.com/users/30155/salometkhilaishvili.html" nodeid="30155">@sally sally</A><P>If the server NiFi is running on shuts down, NiFi when restarted, will come back up in the last known state. So, the state for the ListHDFS processor will be recovered and it will resume the listing from the last known timestamp.</P> Wed, 25 Oct 2017 19:41:19 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Nifi-how-does-listFile-recognizes-which-filesa-are-newly/m-p/227283#M70226 Wynner 2017-10-25T19:41:19Z