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You can use this account type to connect Databricks Snaps with data sources that use the Databricks account with Azure Data Lake Storage (ADLS) Blob Storage as a source.
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Limitations and Known Issues
None.
Account Settings
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Info |
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Field Name | Field Type | Field Dependency | Description |
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Label* Default Value: |
N/A |
STD DB Acc DeltaLake AWS ALD | String | None. | Specify a unique label for the account. |
Download JDBC Driver Automatically Default Value: Not Selected | Checkbox | None | Select this checkbox to allow the Snap account to download the certified JDBC Driver for DLP. The following fields are disabled when this checkbox is selected |
:
To use a JDBC Driver |
that you choose, clear this checkbox, upload (to SLDB), and choose the required JAR files in the JDBC JAR(s) and/or ZIP(s): JDBC Driver field. Use of Custom JDBC JAR version You can use a different JAR file version |
other than the recommended |
Spark JDBC and Databricks JDBC If you do not select this checkbox and use an older JDBC JAR file (older than version 2.6.25), ensure that you use:
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JDBC URL* Default Value: |
N/A Example: |
jdbc:spark://adb-2409532680880038.18.azuredatabricks.net:443/default;transportMode=http;ssl=1;httpPath=sql/protocolv1/o/2409532680880038/0326-212833-drier754;AuthMech=3; | String | None | Enter the JDBC driver connection string that you want to use in the syntax provided below, for connecting to your DLP instance. |
Learn more in Microsoft's JDBC and ODBC drivers and configuration parameters |
. jdbc:spark://dbc-ede87531-a2ce.cloud.databricks.com:443/default;transportMode=http;ssl=1;httpPath= Avoid passing Password inside the JDBC URL If you specify the password inside the JDBC URL, it is saved as it is and is not encrypted. |
Instead we recommend |
using |
the provided Password field |
to ensure that your password is encrypted. |
Use Token Based Authentication Default Value: |
Selected |
Deselected | Checkbox | None | Select this checkbox to use token-based authentication for connecting to the target database (DLP) instance. Activates the Token field. |
Token* Default |
Value: |
N/A |
<Encrypted> | String | When the Use Token Based Authentication checkbox is selected. | Enter the token value for accessing the target database/folder path. |
Database name* Default |
Value: N/A |
Default | String | None | Enter the name of the database to use by default. This database is used if you do not specify one in the Databricks Select or Databricks Insert Snaps. |
Default value: N/A
Example: DefaultSource/Target Location* | Dropdown | None | Select the source or target data warehouse |
None: Select while using the read-only Snaps and you need not write anything to the target data warehouse.
Amazon S3
Azure Blob Storage
Azure Data Lake Storage Gen 2
DBFS
Google Cloud Storage
JDBC
into which the queries must be loaded, that is Azure Blob Storage. This activates the following fields:
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Azure storage account name* Default value: N/A Example: testblob | String | When ADLS Blob Storage is selected as the source. | Enter the name with which Azure Storage was created. The Bulk Load Snap automatically appends the '.blob.core.windows.net' domain to the value of this property. |
Azure Container* Default |
Value: N/A |
sl-bigdata-qa | String | When ADLS Blob Storage is selected as the source. | Enter the name of an existing Azure container. |
Azure folder* Default |
Value: N/A |
test-data | String |
When ADLS Blob Storage is selected as the source. | Enter the name of an existing Azure folder in the container to be used |
for hosting files. |
Azure Auth Type Default |
Value: Shared Access Signature |
Shared Access Signature | Dropdown |
When ADLS Blob Storage is selected as the source. | Select the authorization type that you want to consider |
when setting up the account. Options available are:
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Default value: Shared Access Signature
Example: Shared Access SignatureSAS Token* |
String
Appears when you select Shared Access Signature in the Azure Auth Type.
Enter the SAS token which is the part of the SAS URI associated with your Azure storage account. See Getting Started with SAS for details.
Default valueDefault Value: N/A Example: ?sv=2020-08-05&st=2020-08-29T22%3A18%3A26Z&se=2020-08-30T02%3A23%3A26Z&sr=b&sp=rw&sip=198.1.2.60-198.1.2.70&spr=https&sig=A%1DEFGH1Ijk2Lm3noI3OlWTjEg2tYkboXr1P9ZUXDtkk%3D | String | When you select Shared Access Signature in the Azure Auth Type. | Enter the SAS token which is the part of the SAS URI associated with your Azure storage account. Learn more in Getting Started with SAS. |
Azure storage account key* Default Value: N/A | String | Appears when you select Storage account key in the Azure Auth Type. | Enter the access key ID associated with your Azure storage account. |
Default value: N/A
Example: ABCDEFGHIJKL1MNOPQRSAdvanced Properties | Other parameters that you want to specify to configure the account. This |
fieldset consists of the following fields:
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URL Property Name
URL properties | Use this |
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fieldset to define the account parameter's name and its corresponding value. Click + to add the parameters and the corresponding values. Add each URL property-value pair in a separate row. |
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URL property name |
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URL property value
Default Value: N/A | N/A | None | Specify the name of the parameter for the URL property. |
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URL property value Default Value: N/A |
0 | N/A | None | Specify the value for the URL property parameter. |
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Batch size* Default Value: N/A |
3 | Integer | None | Specify the number of queries that you want to execute at a time.
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Fetch size* Default Value: |
100 |
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12 | Integer | None | Specify the number of rows a query must fetch for each execution. |
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Default Value: 100
Example: 12Large values could cause the server to run out of memory. | |||
Min pool size* Default Value: 3 | Integer | None | Specify the minimum number of idle connections that you want the pool to maintain at a time. |
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Max pool size* Default Value: |
15 |
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Integer | None | Specify the maximum number of connections that you want the pool to maintain at a time. | |
Max life time* Default Value: |
60 |
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50 | Integer | None | Specify the maximum lifetime of a connection in the pool, in seconds.
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Default Value: 60
Example: 50Minimum value: 0 | |||
Idle Timeout* Default Value: 5 | Integer | None | Specify the maximum amount of time in seconds that a connection is allowed to sit idle in the pool. 0 (zero) indicates that idle connections are never removed from the pool. |
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Default Value: 5
Example: 4Example: 9000Minimum value: 0 | |||
Checkout timeout* Default Value: 10000 | Integer | None | Specify the maximum time in milliseconds you want the system to wait for a connection to become available when the pool is exhausted. |
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Default Value: 10000
If you specify 0, the Snap waits infinitely until the connection is available. Therefore, we recommend you not to specify 0 for Checkout Timeout. Minimum value: 0 |
Snap Pack History
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Related Links
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