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ORC vs Parquet | Spark Hive Interview questions 

Data Savvy
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21 авг 2024

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Комментарии : 31   
@mohitmanna7308
@mohitmanna7308 2 года назад
this info is not there on internet !!. Thanks a lot for such informative videos Sir.. Your soothing voice and to the point info is as addictive as Netflix
@RaviKumar-uu4ro
@RaviKumar-uu4ro 5 лет назад
Hi, Very good video. But you don't cover the predicate push down in detail. Thanks for your wonderful videos.
@harjeetkumar4632
@harjeetkumar4632 5 лет назад
Best video so far that I have watched
@DataSavvy
@DataSavvy 5 лет назад
Thanks dude
@shyamsundar8665
@shyamsundar8665 3 года назад
Why parquet is more used in industries over orc ?
@ShreeTwins
@ShreeTwins 4 года назад
Hi I like your questions and answers
@DataSavvy
@DataSavvy 4 года назад
Thanks... I am happy that it is useful for you
@albinchandy6056
@albinchandy6056 2 года назад
Well ,in the project that I work on using the cloudera distribution we are mostly using orc formats only.
@utube1utube100
@utube1utube100 5 лет назад
I was looking for the difference in many places and this video gave me things that I expected!!! Great!!
@DataSavvy
@DataSavvy 4 года назад
Thanks
@kailash0601
@kailash0601 6 лет назад
Hi Sir, Very good explanation. Thanks and All the Best..!!
@DataSavvy
@DataSavvy 6 лет назад
Thanks Kailash... Let me know if you want any video on your choice of topic. Will make one... Please subscribe to channel and share with friends
@m_omprakash
@m_omprakash 6 лет назад
Hey, Can you make a summarized video for spark memory parameters, CPU cores and all.. that How to decide the values while submitting spark job.
@DataSavvy
@DataSavvy 5 лет назад
I have a series on this .. Hope this will be helpful ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-ZIEDwEw5SVM.html
@vaishalisolanke5723
@vaishalisolanke5723 Год назад
Kindly enable high quality video
@ShreeTwins
@ShreeTwins 4 года назад
Can you please tell me about how to set error logs in spark and hive
@DilliPH
@DilliPH 5 лет назад
Hi please explain monad scala and also trail recursion his it be better than regular recursion
@DataSavvy
@DataSavvy 5 лет назад
Sure Dilli... I do not have Scala series related video on my channel yet... Will create these as part of that
@nagalakshmipillalamarri1420
@nagalakshmipillalamarri1420 6 лет назад
Why is ORC called row columnar if it is only columnar and similar to parquet ? and does cloudera support ORC ?
@DataSavvy
@DataSavvy 5 лет назад
ORC has evolved from RCFile format... Cloudera does not support ORC... But with Merger of Cloudera and Hortonworks... this should happen in near future
@BalluSandeep
@BalluSandeep 4 года назад
Hi sir, what is the best storage format in case of huge data n columns? Say we have 2TB data with 10,000 columns . I'm trying to use parquet. Throwing me memory exceptions. Can you plz help me on this?
@DataSavvy
@DataSavvy 4 года назад
Does all columns have data always?... How sparse is ur data... What is your access pattrrn
@ShreeTwins
@ShreeTwins 4 года назад
How to answer the question like which architecture you system use
@priyank2729
@priyank2729 4 года назад
well covered very nice :)
@DataSavvy
@DataSavvy 4 года назад
Thanks Mate
@Apna_Banaras
@Apna_Banaras 2 года назад
Acid property enable in hive production environment
@bighnamallik2684
@bighnamallik2684 6 лет назад
Why parquet is faster ??
@DataSavvy
@DataSavvy 5 лет назад
In some situations Parquet can be faster.. ORC can be falser in other situations.. it is use case based
@chandra9491
@chandra9491 5 лет назад
You could have put all diff or similarities in a slide!!
@KarthikeyanN90
@KarthikeyanN90 4 года назад
1:25 minutes wasted in 6:43 video!
@DataSavvy
@DataSavvy 4 года назад
Thanks for your Feedback Karthikeyan... We have worked on this in new videos...
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