Hey Fawze, This is expected to work seamlessly (although that's a pretty big upgrade). Do the logs report any issues? Does comparing the schemas of the before/after upgrade-written files using 'parquet-tools schema <file>' show any differences?
Thanks! On 16 May 2018 at 12:47, Fawze Abujaber <fawz...@gmail.com> wrote: > Hello Community, > > We are running in schema read issue after upgrading Impala from 2.3 to 2.10 > using Cloudera CDH 5.13.0 > > > Our tables have alot of struct and arrays and after the upgrade all the > historical data at arrays and structs shown as NULL while the new written > data are shown correctly. > > Is it a known issue? or there was any action that i should care about before > i upgrade? > > > > -- > Take Care > Fawze Abujaber
