[GitHub] [carbondata] Pickupolddriver commented on issue #3611: [CARBONDATA-3692] Support NoneCompression during loading data.

2020-02-11 Thread GitBox
Pickupolddriver commented on issue #3611: [CARBONDATA-3692] Support 
NoneCompression during loading data.
URL: https://github.com/apache/carbondata/pull/3611#issuecomment-585017763
 
 
   > Can you please explain the scenario where no-compression would be 
beneficial?
   
   This NoneCompress Compressor will improve the speed of loading data from 
Flink to OBS File by trade-off space and IO in some cases. 
   
   For example: when loading data from Flink to OBS, data needs to be 
compressed by Flink to temporary files and then decompressed by OBS. 
   After adding the NoneCompressor, users can use the NoneCompressor load data 
without compress first and then decompress the temporary files. 
   
   


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[GitHub] [carbondata] Pickupolddriver commented on issue #3611: [CARBONDATA-3692] Support NoneCompression during loading data.

2020-02-14 Thread GitBox
Pickupolddriver commented on issue #3611: [CARBONDATA-3692] Support 
NoneCompression during loading data.
URL: https://github.com/apache/carbondata/pull/3611#issuecomment-586201467
 
 
   > @Pickupolddriver : Agree that it can improve the loading speed. But data 
will be 3x bigger. So, storage cost on OBS will be 3x more!
   
   Data would be processed after loaded to OBS. So if we could provide a 
NonCompressor, it could avoid the data being compressed and then uncompressed. 
And the uncompressed data would be deleted after processed in OBS. 


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