[Storage] Added connection pool note to max_concurrency kwarg for upload/download APIs (Azure#38254)

Author: weirongw23-msft

sdk/storage/azure-storage-blob/azure/storage/blob/_blob_client.py

@@ -540,8 +540,9 @@ def upload_blob(
             value specified in this header, the request will fail with
             MaxBlobSizeConditionNotMet error (HTTP status code 412 - Precondition Failed).
         :keyword int max_concurrency:
-            Maximum number of parallel connections to use when the blob size exceeds
-            64MB.
+            Maximum number of parallel connections to use when transferring the blob in chunks.
+            This option does not affect the underlying connection pool, and may
+            require a separate configuration of the connection pool.
         :keyword ~azure.storage.blob.CustomerProvidedEncryptionKey cpk:
             Encrypts the data on the service-side with the given key.
             Use of customer-provided keys must be done over HTTPS.
@@ -695,7 +696,9 @@ def download_blob(
             As the encryption key itself is provided in the request,
             a secure connection must be established to transfer the key.
         :keyword int max_concurrency:
-            The number of parallel connections with which to download.
+            Maximum number of parallel connections to use when transferring the blob in chunks.
+            This option does not affect the underlying connection pool, and may
+            require a separate configuration of the connection pool.
         :keyword Optional[str] encoding:
             Encoding to decode the downloaded bytes. Default is None, i.e. no decoding.
         :keyword progress_hook:

sdk/storage/azure-storage-blob/azure/storage/blob/aio/_blob_client_async.py

@@ -530,8 +530,9 @@ async def upload_blob(
             value specified in this header, the request will fail with
             MaxBlobSizeConditionNotMet error (HTTP status code 412 - Precondition Failed).
         :keyword int max_concurrency:
-            Maximum number of parallel connections to use when the blob size exceeds
-            64MB.
+            Maximum number of parallel connections to use when transferring the blob in chunks.
+            This option does not affect the underlying connection pool, and may
+            require a separate configuration of the connection pool.
         :keyword ~azure.storage.blob.CustomerProvidedEncryptionKey cpk:
             Encrypts the data on the service-side with the given key.
             Use of customer-provided keys must be done over HTTPS.
@@ -687,7 +688,9 @@ async def download_blob(
             As the encryption key itself is provided in the request,
             a secure connection must be established to transfer the key.
         :keyword int max_concurrency:
-            The number of parallel connections with which to download.
+            Maximum number of parallel connections to use when transferring the blob in chunks.
+            This option does not affect the underlying connection pool, and may
+            require a separate configuration of the connection pool.
         :keyword str encoding:
             Encoding to decode the downloaded bytes. Default is None, i.e. no decoding.
         :keyword progress_hook:

sdk/storage/azure-storage-file-datalake/azure/storage/filedatalake/_data_lake_file_client.py

@@ -493,6 +493,10 @@ def upload_data(
             see `here <https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/storage/azure-storage-file-datalake
             #other-client--per-operation-configuration>`_. This method may make multiple calls to the service and
             the timeout will apply to each call individually.
+        :keyword int max_concurrency:
+            Maximum number of parallel connections to use when transferring the file in chunks.
+            This option does not affect the underlying connection pool, and may
+            require a separate configuration of the connection pool.
         :keyword int chunk_size:
             The maximum chunk size for uploading a file in chunks.
             Defaults to 100*1024*1024, or 100MB.
@@ -775,7 +779,9 @@ def download_file(self, offset=None, length=None, **kwargs):
             Use of customer-provided keys must be done over HTTPS.
             Required if the file was created with a Customer-Provided Key.
         :keyword int max_concurrency:
-            The number of parallel connections with which to download.
+            Maximum number of parallel connections to use when transferring the file in chunks.
+            This option does not affect the underlying connection pool, and may
+            require a separate configuration of the connection pool.
         :keyword int timeout:
             Sets the server-side timeout for the operation in seconds. For more details see
             https://learn.microsoft.com/rest/api/storageservices/setting-timeouts-for-blob-service-operations.

sdk/storage/azure-storage-file-datalake/azure/storage/filedatalake/aio/_data_lake_file_client_async.py

@@ -406,6 +406,10 @@ async def upload_data(
             see `here <https://github.com/Azure/azure-sdk-for-python/tree/main/sdk/storage/azure-storage-file-datalake
             #other-client--per-operation-configuration>`_. This method may make multiple calls to the service and
             the timeout will apply to each call individually.
+        :keyword int max_concurrency:
+            Maximum number of parallel connections to use when transferring the file in chunks.
+            This option does not affect the underlying connection pool, and may
+            require a separate configuration of the connection pool.
         :keyword int chunk_size:
             The maximum chunk size for uploading a file in chunks.
             Defaults to 100*1024*1024, or 100MB.
@@ -623,7 +627,9 @@ async def download_file(self, offset=None, length=None, **kwargs):
             Use of customer-provided keys must be done over HTTPS.
             Required if the file was created with a Customer-Provided Key.
         :keyword int max_concurrency:
-            The number of parallel connections with which to download.
+            Maximum number of parallel connections to use when transferring the file in chunks.
+            This option does not affect the underlying connection pool, and may
+            require a separate configuration of the connection pool.
         :keyword int timeout:
             Sets the server-side timeout for the operation in seconds. For more details see
             https://learn.microsoft.com/rest/api/storageservices/setting-timeouts-for-blob-service-operations.

sdk/storage/azure-storage-file-share/azure/storage/fileshare/_file_client.py

@@ -535,7 +535,9 @@ def upload_file(
             already validate. Note that this MD5 hash is not stored with the
             file.
         :keyword int max_concurrency:
-            Maximum number of parallel connections to use.
+            Maximum number of parallel connections to use when transferring the file in chunks.
+            This option does not affect the underlying connection pool, and may
+            require a separate configuration of the connection pool.
         :keyword lease:
             Required if the file has an active lease. Value can be a ShareLeaseClient object
             or the lease ID as a string.
@@ -805,7 +807,9 @@ def download_file(
             Number of bytes to read from the stream. This is optional, but
             should be supplied for optimal performance.
         :keyword int max_concurrency:
-            Maximum number of parallel connections to use.
+            Maximum number of parallel connections to use when transferring the file in chunks.
+            This option does not affect the underlying connection pool, and may
+            require a separate configuration of the connection pool.
         :keyword bool validate_content:
             If true, calculates an MD5 hash for each chunk of the file. The storage
             service checks the hash of the content that has arrived with the hash

sdk/storage/azure-storage-file-share/azure/storage/fileshare/aio/_file_client_async.py

@@ -532,7 +532,9 @@ async def upload_file(
             already validate. Note that this MD5 hash is not stored with the
             file.
         :keyword int max_concurrency:
-            Maximum number of parallel connections to use.
+            Maximum number of parallel connections to use when transferring the file in chunks.
+            This option does not affect the underlying connection pool, and may
+            require a separate configuration of the connection pool.
         :keyword str encoding:
             Defaults to UTF-8.
         :keyword lease:
@@ -804,7 +806,9 @@ async def download_file(
             Number of bytes to read from the stream. This is optional, but
             should be supplied for optimal performance.
         :keyword int max_concurrency:
-            Maximum number of parallel connections to use.
+            Maximum number of parallel connections to use when transferring the file in chunks.
+            This option does not affect the underlying connection pool, and may
+            require a separate configuration of the connection pool.
         :keyword bool validate_content:
             If true, calculates an MD5 hash for each chunk of the file. The storage
             service checks the hash of the content that has arrived with the hash