Re: Metadata Caching

2017-03-06 Thread rahul challapalli
There is no need to refresh the metadata for every query. You only need to generate the metadata cache once for each folder. Now if your data gets updated, then any subsequent query you submit will automatically refresh the metadata cache. Again you need not run the "refresh table metadata " comman

Metadata Caching

2017-03-06 Thread Chetan Kothari
Hi All As I understand, we can trigger generation of the Parquet Metadata Cache File by using REFRESH TABLE METADATA . It seems we need to run this command on a directory, nested or flat, once during the session. Why we need to run for every session? That implies if I use REST API to f