Hi
We used spark.sql to create a table using DELTA. We also have a hive
metastore attached to the spark session. Hence, a table gets created in
Hive metastore. We then tried to query the table from Hive. We faced
following issues:
1. SERDE is SequenceFile, should have been Parquet
2. Scema f
Hi Liwen,
thanks a ton, I think that there is a difference between a storage class
and metastore, just like there is a difference between a database and file
system and coffee and cup.
It will be wonderful to keep the focus on the fantastic opportunity that
Delta creates for us :)
Regards,
Gour
Hi James,
Right now we don't have plans for having a catalog component as part of
Delta Lake, but we are looking to support Hive metastore and also DDL
commands in the near future.
Thanks,
Liwen
On Thu, Jun 20, 2019 at 4:46 AM James Cotrotsios
wrote:
> Is there a plan to have a business catalo
Lyft recently open sourced a data discovery tool called Amundsen that can
serve many of the data catalog needs.
https://eng.lyft.com/amundsen-lyfts-data-discovery-metadata-engine-62d27254fbb9
https://github.com/lyft/amundsenmetadatalibrary
You still need HMS to store the data schema though.
On
I have spark cluster on two data centers each. Cluster on spark cluster B
is 6 times slower than cluster A. I ran the same job on both cluster and
time difference is of 6 times. I used the same config and using spark
2.3.3. I checked that on spark UI it displays the slaves nodes but when i
check u
Is there a plan to have a business catalog component for the Data Lake? If
not how would someone make a proposal to create an open source project
related to that. I would be interested in building out an open source data
catalog that would use the Hive metadata store as a baseline for technical
met