I used same environment and same configurations..Not used EC.. On Friday, December 13, 2019, Julien Laurenceau < [email protected]> wrote:
> Hi > Could you please share more details ? > We can assume it is the same hardware and same OS / JVM. > What about the hadoop configuration ? Are you using Erasure Coding ? > > Regards > > > Le jeu. 12 déc. 2019 à 14:12, HarshaKiran Reddy Boreddy < > [email protected]> a écrit : > >> Yes, Even in HDFS(3.1.1), I have seen the performance degradation >> compared with 2.7.2. I have done the DFSIO test following are the details. >> >> Test: >> >> DATA SIZE: 1TB >> No of Files : 1000 >> File size : 1GB >> >> *Hadoop-3.1.1::* >> >> *DFSIO Write : 1420.99 sec* >> >> *Hadoop-2.7.2::* >> >> *DFSIO Write : 1297.971 sec* >> >> so,there is degradation compare to 2.7.2..Any pointers to this?? >> >> Thanks >> Harshakiran Reddy >> >> >> >> >> From: bilwa st <[email protected]> >> Date: Fri, 22 Nov 2019 at 9:09 PM >> Subject: Performance issue >> To: <[email protected]> >> >> >> Hi, >> >> Tera sort is slow by 9mins(26%) in 3.1.1 compared to 2.7.2 >> >> I could see some JIRA open for the same issue ie MAPREDUCE-6735 >> >> Has anyone else faced the same issue? >> >> Thanks, >> Bilwa ST >> >> >> >> -- >> *Regards* >> Harshakiranreddy.Boreddy >> >> >> -- *Regards* Harshakiranreddy.Boreddy
