IMPALA-7861: [DOCS] TLS enabled by default regardless of URI scheme Change-Id: I88f615cf23f406035e544e68adacdd0393f69ab3 Reviewed-on: http://gerrit.cloudera.org:8080/11948 Reviewed-by: Joe McDonnell <joemcdonn...@cloudera.com> Tested-by: Impala Public Jenkins <impala-public-jenk...@cloudera.com> (cherry picked from commit 09c25144fddcfc9b72c9c4914e41675f865857ac)
Project: http://git-wip-us.apache.org/repos/asf/impala/repo Commit: http://git-wip-us.apache.org/repos/asf/impala/commit/3ec779a8 Tree: http://git-wip-us.apache.org/repos/asf/impala/tree/3ec779a8 Diff: http://git-wip-us.apache.org/repos/asf/impala/diff/3ec779a8 Branch: refs/heads/branch-3.1.0 Commit: 3ec779a80dd18b0be3d5a4bde888720c1f0bedf0 Parents: 0d5b5d4 Author: Alex Rodoni <arod...@cloudera.com> Authored: Fri Nov 16 15:20:49 2018 -0800 Committer: Zoltan Borok-Nagy <borokna...@cloudera.com> Committed: Tue Nov 27 11:59:52 2018 +0100 ---------------------------------------------------------------------- docs/topics/impala_adls.xml | 66 ++++++++++++++++++++++++++-------------- 1 file changed, 43 insertions(+), 23 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/impala/blob/3ec779a8/docs/topics/impala_adls.xml ---------------------------------------------------------------------- diff --git a/docs/topics/impala_adls.xml b/docs/topics/impala_adls.xml index f5103f4..d50b011 100644 --- a/docs/topics/impala_adls.xml +++ b/docs/topics/impala_adls.xml @@ -35,12 +35,14 @@ under the License. <conbody> - <p> You can use Impala to query data residing on the Azure Data Lake Store + <p> + You can use Impala to query data residing on the Azure Data Lake Store (ADLS) filesystem. This capability allows convenient access to a storage system that is remotely managed, accessible from anywhere, and integrated with various cloud-based services. Impala can query files in any supported file format from ADLS. The ADLS storage location can be for an entire - table, or individual partitions in a partitioned table. </p> + table or individual partitions in a partitioned table. + </p> <p> The default Impala tables use data files stored on HDFS, which are ideal for bulk loads and queries using @@ -89,14 +91,12 @@ under the License. <ul> <li><p> The <xref href="impala_create_table.xml#create_table"/> or <xref href="impala_alter_table.xml#alter_table"/> statements can specify - that a table resides on the ADLS filesystem by specifying an ADLS - prefix for the <codeph>LOCATION</codeph> property.<ul> - <li><codeph>adl://</codeph> for ADLS Gen1</li> - <li><codeph>abfs://</codeph> for ADLS Gen2</li> - <li><codeph>abfss://</codeph> for ADLS Gen2 with a secure socket - layer connection</li> - </ul> - <codeph>ALTER TABLE</codeph> can also set the + that a table resides on the ADLS filesystem by using one of the + following ADLS prefixes in the <codeph>LOCATION</codeph> property.<ul> + <li>For ADLS Gen1: <codeph>adl://</codeph></li> + <li>For ADLS Gen2: <codeph>abfs://</codeph> or + <codeph>abfss://</codeph></li> + </ul></p><p><codeph>ALTER TABLE</codeph> can also set the <codeph>LOCATION</codeph> property for an individual partition, so that some data in a table resides on ADLS and other data in the same table resides on HDFS. </p> See <xref href="impala_adls.xml#ddl"/> @@ -269,24 +269,44 @@ under the License. <conbody> - <p> Impala reads data for a table or partition from ADLS based on the + <p> + Impala reads data for a table or partition from ADLS based on the <codeph>LOCATION</codeph> attribute for the table or partition. Specify the ADLS details in the <codeph>LOCATION</codeph> clause of a <codeph>CREATE TABLE</codeph> or <codeph>ALTER TABLE</codeph> - statement. The syntax for the <codeph>LOCATION</codeph> clause is:<ul> - <li>For ADLS Gen1, - <codeph>adl://<varname>account</varname>.azuredatalakestore.net/<varname>path/file</varname></codeph> + statement. The syntax for the <codeph>LOCATION</codeph> clause is: + <ul> + <li> + For ADLS Gen1: +<codeblock>adl://<varname>account</varname>.azuredatalakestore.net/<varname>path/file</varname></codeblock></li> + <li> + For ADLS Gen2: +<codeblock>abfs://<varname>container</varname>@<varname>account</varname>.dfs.core.windows.net/<varname>path</varname>/<varname>file</varname></codeblock> + <p> + or + </p> +<codeblock>abfss://<varname>container</varname>@<varname>account</varname>.dfs.core.windows.net/<varname>path</varname>/<varname>file</varname></codeblock> </li> - <li>For ADLS Gen2, - <codeph>abfs://<varname>container</varname>@<varname>account</varname>.dfs.core.windows.net/<varname>path</varname>/<varname>file</varname></codeph></li> - <li>For ADLS Gen2 with a secure socket layer connection, - <codeph>abfss://<varname>container</varname>@<varname>account</varname>.dfs.core.windows.net/<varname>path</varname>/<varname>file</varname></codeph></li> - </ul></p> - <p><codeph><varname>container</varname></codeph> denotes the parent + </ul> + </p> + <p> + <codeph><varname>container</varname></codeph> denotes the parent location that holds the files and folders, which is the Containers in - the Azure Storage Blobs service.</p> - <p><codeph><varname>account</varname></codeph> is the name given for your - storage account.</p> + the Azure Storage Blobs service. + </p> + <p> + <codeph><varname>account</varname></codeph> is the name given for your + storage account. + </p> + <note> + <p> By default, TLS is enabled both with <codeph>abfs://</codeph> and + <codeph>abfss://</codeph>. </p> + <p> + When you set the <codeph>fs.azure.always.use.https=false</codeph> + property, TLS is disabled with <codeph>abfs://</codeph>, and TLS is + enabled with <codeph>abfss://</codeph> + </p> + </note> <p> For a partitioned table, either specify a separate <codeph>LOCATION</codeph> clause for each new partition,
