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Adding a new limitation to the README file. #16475

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Adding a new limitation to the README file. #16475

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30 changes: 30 additions & 0 deletions sdk/cosmos/azure-cosmos/README.md
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Expand Up @@ -87,6 +87,7 @@ As of August 2020 the features below are **not supported**.

* Group By queries (in roadmap for 2021)
* Language Native async i/o (in roadmap for 2021)
* Queries with COUNT from a DISTINCT subquery: SELECT COUNT (1) FROM (SELECT DISTINCT C.ID FROM C)
* Bulk/Transactional batch processing
* Direct TCP Mode access
* Continuation token for cross partitions queries
Expand All @@ -101,6 +102,7 @@ As of August 2020 the features below are **not supported**.
* Provision Autoscale DBs or containers
* Cross-partition ORDER BY for mixed types
* Get the connection string
* Get the minimum RU/s of a container. For more information, click [here](https://docs.microsoft.com/azure/cosmos-db/concepts-limits#minimum-throughput-limits) or use [Azure CLI](https://docs.microsoft.com/azure/cosmos-db/scripts/cli/sql/throughput#sample-script) examples for Cosmos DB.

## Bulk processing limitation workaround

Expand Down Expand Up @@ -135,6 +137,7 @@ The following sections provide several code snippets covering some of the most c
* [Delete data](#delete-data "Delete data")
* [Query the database](#query-the-database "Query the database")
* [Get database properties](#get-database-properties "Get database properties")
* [Get database and container throughputs](#get-database-and-container-throughputs "Get database and container throughputs")
* [Modify container properties](#modify-container-properties "Modify container properties")

### Create a database
Expand Down Expand Up @@ -333,6 +336,33 @@ properties = database.read()
print(json.dumps(properties))
```

### Get database and container throughputs

Get and display the throughput values of a database and of a container with dedicated throughput:

```Python
from azure.cosmos import CosmosClient
import os
import json

url = os.environ['ACCOUNT_URI']
key = os.environ['ACCOUNT_KEY']
client = CosmosClient(url, credential=key)

# Database
database_name = 'testDatabase'
database = client.get_database_client(database_name)
db_offer = database.read_offer()
print('Found Offer \'{0}\' for Database \'{1}\' and its throughput is \'{2}\''.format(db_offer.properties['id'], database.id, db_offer.properties['content']['offerThroughput']))

# Container with dedicated throughput only. Will return error "offer not found" for containers without dedicated throughput
container_name = 'testContainer'
container = database.get_container_client(container_name)
container_offer = database.read_offer()
print('Found Offer \'{0}\' for Container \'{1}\' and its throughput is \'{2}\''.format(container_offer.properties['id'], container.id, container_offer.properties['content']['offerThroughput']))
```


### Modify container properties

Certain properties of an existing container can be modified. This example sets the default time to live (TTL) for items in the container to 10 seconds:
Expand Down