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feat(ingest/snowflake): support profiling with sampling #8902

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mayurinehate
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@mayurinehate mayurinehate commented Sep 26, 2023

Would be easier to review commit-wise
Commit 1 - initial refractor to remove duplicate profiling related code

Commit 2 - snowflake profiling with sampling

Commit 3 - increase default sample size, use fraction based sampling

  • The PR conforms to DataHub's Contributing Guideline (particularly Commit Message Format)
  • Links to related issues (if applicable)
  • Tests for the changes have been added/updated (if applicable)
  • Docs related to the changes have been added/updated (if applicable). If a new feature has been added a Usage Guide has been added for the same.
  • For any breaking change/potential downtime/deprecation/big changes an entry has been made in Updating DataHub

@github-actions github-actions bot added the ingestion PR or Issue related to the ingestion of metadata label Sep 26, 2023
"If enabled, profiling is done on rows sampled from table. Sampling is not done for smaller tables. ",
)

sample_size: int = Field(
default=1000,
default=10000,
description="Number of rows to be sampled from table for column level profiling."
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Increasing default based on @asikowitz suggestion here

)
elif self.custom_sql:
profile.partitionSpec = PartitionSpecClass(
type=PartitionTypeClass.QUERY, partition="SAMPLE"
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Do we want want to put custom_sql in the aspect? Hard to make decisions when it's unused

@asikowitz asikowitz merged commit 8e7f286 into datahub-project:master Oct 6, 2023
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2 participants