# Class StandardRolloutPolicy (2.65.0)

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    StandardRolloutPolicy(mapping=None, *, ignore_unknown_fields=False, **kwargs)

Standard rollout policy is the default policy for blue-green.

This message has `oneof`_ fields (mutually exclusive fields).
For each oneof, at most one member field can be set at the same time.
Setting any member of the oneof automatically clears all other
members.

.. _oneof: <https://proto-plus-python.readthedocs.io/en/stable/fields.html#oneofs-mutually-exclusive-fields>

| ## Attributes ||
|---|---|
| **Name** | **Description** |
| `batch_percentage` | `float` Percentage of the blue pool nodes to drain in a batch. The range of this field should be (0.0, 1.0\]. This field is a member of `oneof`_ `update_batch_size`. |
| `batch_node_count` | `int` Number of blue nodes to drain in a batch. This field is a member of `oneof`_ `update_batch_size`. |
| `batch_soak_duration` | `google.protobuf.duration_pb2.Duration` Soak time after each batch gets drained. Default to zero. This field is a member of `oneof`_ `_batch_soak_duration`. |