Hi, I agree with Jacky and David. But it is suggested to keep current 'show segments' command without any change and provide only brief information about segments. Add new extended command like `extended show segments` to provide more information which is required for power user.
Regards, only Ravindra. On 21 September 2017 at 09:03, David CaiQiang <david.c...@gmail.com> wrote: > I agree with Jacky. > > I think enhanced segment metadata will help us to understand the table. > > I suggest the following properties for segment metadata: > 1. total data file size > 2. total index file size > 3. data file count > 4. index file count > 5. last modified time (last update time) > > Through these information, we can answer the following questions. > 1. Is there small file issue? Whether table require compaction or not, > which > type should be used? > 2. Whether index files is too many or not? we will can estimate the total > size of index in memory whether it is big or small for driver memory > configuration. > 3. Whether some segment has too many files? Maybe it is useful to locate > some performance issue. > > > > ----- > Best Regards > David Cai > -- > Sent from: http://apache-carbondata-dev-mailing-list-archive.1130556. > n5.nabble.com/ > -- Thanks & Regards, Ravi
