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Best practices for Databricks pools — Databricks DocumentationLearn best practices for configuring and using Databricks pools.https://docs.databricks.com/clusters/instance-pools/pool-best-practices.htmlBest practices for Azure Databricks pools - Azur...
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Best practices: Cluster configuration | Databricks on AWSLearn best practices when creating and configuring Databricks clusters.https://docs.databricks.com/clusters/cluster-config-best-practices.html
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Best practices | Databricks on Google CloudLearn best practices when using or administering Databricks.https://docs.gcp.databricks.com/best-practices-index.html
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Best practices - Azure DatabricksLearn best practices when using or administering Azure Databricks.https://docs.microsoft.com/en-us/azure/databricks/best-practices-index
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Best practices | Databricks on AWSLearn best practices when using or administering Databricks.https://docs.databricks.com/best-practices-index.html
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Best practices: Hyperparameter tuning with HyperoptBayesian approaches can be much more efficient than grid search and random search. Hence, with the Hyperopt Tree of Parzen Estimators (TPE) algorithm, you can explore more hyperparameters and larger ...
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What is the best way to convert a very large parquet table to delta ? possibly without downtime!
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I vouch for Sajith's answer. The main advantage with "CONVERT TO DELTA" is that operations are metadata centric which means we are not reading the full data for the conversion. For any other file format conversion, it's necessary to read the data com...
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Databricks Autoloader is a popular mechanism for ingesting data/files from cloud storage into Delta; for a very high throughput source, what are the best practices to be following while scaling up an autoloader based pipeline to the tune of millions ...
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hp.quniform (“quantized uniform”) or hp.qloguniform to generate integers. hp.choice is the right choice when, for example, choosing among categorical choices (which might in some situations even be integers, but not usually).https://databricks.com/b...
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What are best practices for Spark streaming in Databricksis it good idea to consume multiple topics in one streaming jobis Auto scaling recommended for spark streamingHow many worker nodes we should choose for streaming jobWhen should we run OPTIMIZE...
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See our docs for other considerations when deploying a production streaming job.
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I've read this article, which covers:Using CrossValidator or TrainValidationSplit to track hyperparameter tuning (no hyperopt). Only random/grid searchparallel "single-machine" model training with hyperopt using hyperopt.SparkTrials (not spark.ml)"Di...
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It's actually pretty simple: use hyperopt, but use "Trials" not "SparkTrials". You get parallelism from Spark, not from the tuning process.
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What are the best practices around Z ordering, Should be include as Manu column as Possible in Z order or lesser the better and why?
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With Z-order and Hilbert curves, the effectiveness of clustering decreases with each column added - so you'd want to zorder only the columns that you's actually use so that it's speed up your workloads.