Re: Hadoop compatibility with ubuntu jammy OS

2024-07-10 Thread Jim Halfpenny
Hi Vishal, Since most if not all of the components in Hadoop use Java the operating system used tends to make little difference. You are not likely to find a chart showing which version of Ubuntu is supported by Hadoop, but you should find details at to which Java versions are required. Off the

Re: Data Remanence in HDFS

2024-01-13 Thread Jim Halfpenny
an option to wipe newly allocated VM disks for > added security.[1] > > [1]: https://groups.google.com/g/ganeti/c/-c_KoLd6mnI > > Thanks, > -danny > > On Fri, Jan 12, 2024 at 8:03 AM Jim Halfpenny > wrote: >> Hi Danny, >> This does depend on a number of circ

Re: Data Remanence in HDFS

2024-01-12 Thread Jim Halfpenny
Hi Danny, This does depend on a number of circumstances, mostly based on file permissions. If for example a file is deleted without the -skipTrash option then it will be moved to the .Trash directory. From here it could be read, but the original file permissions will be preserved. Therefore if a