The situation is completely different than what you are thinking. Ok, thanks for your time. From now I'll figure this out myself. Thank you again!
On Sat, 9 Jun 2018, 13:27 Jörn Franke, <jornfra...@gmail.com> wrote: > Why don’t you write the final name from the start? > Ie save as the file it should be named. > > On 9. Jun 2018, at 09:44, Abhijeet Kumar <abhijeet.ku...@sentienz.com> > wrote: > > I need to rename the file. I can write a separate program for this, I > think. > > Thanks, > Abhijeet Kumar > > On 09-Jun-2018, at 1:10 PM, Jörn Franke <jornfra...@gmail.com> wrote: > > That would be an anti pattern and would lead to bad software. > Please don’t do it for the sake of the people that use your software. > What do you exactly want to achieve with the information if the file > exists or not? > > On 9. Jun 2018, at 08:34, Abhijeet Kumar <abhijeet.ku...@sentienz.com> > wrote: > > Can you please tell the estimated time. So, that my program will wait for > that time period. > > Thanks, > Abhijeet Kumar > > On 09-Jun-2018, at 12:01 PM, Jörn Franke <jornfra...@gmail.com> wrote: > > You need some time until the information of the file creation is > propagated. > > On 9. Jun 2018, at 08:07, Abhijeet Kumar <abhijeet.ku...@sentienz.com> > wrote: > > I'm modifying a CSV file which is inside HDFS and finally putting it back > to HDFS in Spark. > > val fs=FileSystem.get(spark.sparkContext.hadoopConfiguration) > csv_file.coalesce(1).write > .format("csv”) > .mode("overwrite”) > .save("hdfs://localhost:8020/data/temp_insight”)Thread.sleep(15000) > println(fs.exists(new Path("/data/temp_insight"))) > > Output: > > false > > while I have stopped the thread for 15 sec, I have checked my hdfs using > command > > hdfs dfs -ls /data/temp_insight > > Output: > > 18/06/08 17:48:18 WARN util.NativeCodeLoader: Unable to load native-hadoop > library for your platform... using builtin-java classes where > applicable-rw-r--r-- 3 abhijeet supergroup 0 2018-06-08 17:48 > /data/temp_insight/_SUCCESS-rw-r--r-- 3 abhijeet supergroup 201 > 2018-06-08 17:48 > /data/temp_insight/part-00000-7bffb826-f18d-4022-b089-da85565525b7-c000.csv > > To cross verify whether it is taking the path of hdfs or not I have added > one more println statement in my code, providing the path which is already > there in HDFS. It's showing true in that case. > > So, what could be the reason? > Thanks, > > Abhijeet Kumar > > > >