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I applied via Naukri.com and was interviewed in Aug 2021. There was 1 interview round.
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posted on 24 Nov 2024
I applied via LinkedIn and was interviewed in Oct 2024. There was 1 interview round.
I applied via Referral
posted on 25 May 2024
I applied via Approached by Company and was interviewed in Apr 2024. There was 1 interview round.
Performance optimization techniques in Pyspark involve partitioning, caching, and using efficient transformations.
Partitioning data to distribute workload evenly
Caching intermediate results to avoid recomputation
Using efficient transformations like map, filter, and reduce
Avoiding unnecessary shuffling of data
I applied via Referral and was interviewed in Oct 2023. There was 1 interview round.
I applied via Referral and was interviewed in Feb 2023. There were 3 interview rounds.
I applied via Recruitment Consulltant and was interviewed in Feb 2023. There were 3 interview rounds.
Interview was based on spark... initially basics of spark, optimisation followed by coding round like apply filter, read from multi delimiter, joins, de-duplication
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