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Recommendations for different Cloud Storage systems

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In this document you will find recommendations on versions and configurations for different cloud providers' storage systems. Note that some of them may have different requirements of libraries or configurations, so here we provide the ones we use and we know they work.

Hadoop versions

We currently support Hadoop 2.7 and 3.2 (recommended), so feel free to use any of them. Nevertheless, if you use Hadoop 2.7 you'll need to add some extra configurations depending on the provider, which you can find below. Note that some versions may not work for a cloud provider, so please read carefully.

Configs for Hadoop 2.7

AWS S3

There's no known working version of Hadoop 2.7 for AWS S3. However, you can try to use it.

Remember to include the following option if using Hadoop 2.7: --conf spark.hadoop.fs.s3a.impl=org.apache.hadoop.fs.s3a.S3AFileSystem

Azure Blob Storage

  • You can use this provider with Hadoop 2.7. To do so, you need to change the Hadoop library to 2.7 (remember to change your Spark installation as well): org.apache.hadoop:hadoop-azure:2.7.4

  • In addition, you must include the following config to use the wasb filesystem: --conf spark.hadoop.fs.AbstractFileSystem.wasb.impl=org.apache.hadoop.fs.azure.Wasb

AWS S3

Amazon Web Services S3 does not work with Hadoop 2.7. For this provider you'll need Hadoop 3.2.

  • If you are using a public bucket:
$SPARK_HOME/bin/spark-shell \
--conf spark.sql.extensions=io.qbeast.sql.QbeastSparkSessionExtension \
--conf spark.hadoop.fs.s3a.aws.credentials.provider=org.apache.hadoop.fs.s3a.AnonymousAWSCredentialsProvider \
--packages io.qbeast:qbeast-spark_2.12:0.3.2,\
io.delta:delta-core_2.12:1.2.0,\
com.amazonaws:aws-java-sdk:1.12.20,\
org.apache.hadoop:hadoop-common:3.2.0,\
org.apache.hadoop:hadoop-client:3.2.0,\
org.apache.hadoop:hadoop-aws:3.2.0
  • If you are using private buckets:
$SPARK_HOME/bin/spark-shell \
--conf spark.sql.extensions=io.qbeast.sql.QbeastSparkSessionExtension \
--conf spark.hadoop.fs.s3a.access.key=${AWS_ACCESS_KEY_ID} \
--conf spark.hadoop.fs.s3a.secret.key=${AWS_SECRET_ACCESS_KEY} \
--conf spark.hadoop.fs.s3a.impl=org.apache.hadoop.fs.s3a.S3AFileSystem \
--packages io.qbeast:qbeast-spark_2.12:0.3.2,\
io.delta:delta-core_2.12:1.2.0,\
org.apache.hadoop:hadoop-common:3.2.0,\
org.apache.hadoop:hadoop-client:3.2.0,\
org.apache.hadoop:hadoop-aws:3.2.0

Azure Blob Storage

There are no known issues for this cloud provider when using qbeast-spark. You can use both Hadoop 2.7 and 3.2, but we recommend using the latest. Remember that vanilla parquet format may not work in this type of storage.

  • An example config setup follows:
$SPARK_HOME/bin/spark-shell \
--conf spark.hadoop.fs.azure.account.key.blobqsql.blob.core.windows.net="${AZURE_BLOB_STORAGE_KEY}" \
--conf spark.hadoop.fs.AbstractFileSystem.wasb.impl=org.apache.hadoop.fs.azure.Wasb \
--conf spark.sql.extensions=io.qbeast.sql.QbeastSparkSessionExtension \
--packages io.qbeast:qbeast-spark_2.12:0.3.2,\
io.delta:delta-core_2.12:1.2.0,\
org.apache.hadoop:hadoop-azure:3.2.0