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--requirements_file (Python).--enableBundling pipeline option for BigQueryIO DIRECT_READ is replaced by --enableStorageReadApiV2. Both were considered experimental and may subject to change (Java) (#26354).--max_cache_memory_usage_mb pipeline option from 100 to 0. This option was first introduced in 2.52.0 SDK. This change restores the behavior of 2.51.0 SDK, which does not use the state cache. If your pipeline uses iterable side inputs views, consider increasing the cache size by setting the option manually. (#30360).--max_cache_memory_usage_mb=0 pipeline option. (#30360).collections.abc.Collections types properly. Some type hints that were erroneously allowed by the SDK may now fail. (#29272)--max_cache_memory_usage_mb=0 pipeline option. (#30360).beam-sdks-java-extensions-avro instead. This will allow to easily update Avro version in user code without
potential breaking changes in Beam "core" since the Beam Avro extension already supports the latest Avro versions and
should handle this. (#25252).UseDataStreamForBatch pipeline option to the Flink runner. When it is set to true, Flink runner will run batch
jobs using the DataStream API. By default the option is set to false, so the batch jobs are still executed
using the DataSet API.upload_graph as one of the Experiments options for DataflowRunner is no longer required when the graph is larger than 10MB for Java SDK (PR#28621).--max_cache_memory_usage_mb to configure state and side input cache size. The cache has been enabled to a default of 100 MB. Use --max_cache_memory_usage_mb=X to provide cache size for the user state API and side inputs. (#28770).org.apache.beam.sdk.io.CountingSource.CounterMark uses custom CounterMarkCoder as a default coder since all Avro-dependent
classes finally moved to extensions/avro. In case if it's still required to use AvroCoder for CounterMark, then,
as a workaround, a copy of "old" CountingSource class should be placed into a project code and used directly
(#25252).host to firestoreHost in FirestoreOptions to avoid potential conflict of command line arguments (Java) (#29201).watch_file_pattern arg of the RunInference arg had no effect prior to 2.52.0. To use the behavior of arg watch_file_pattern prior to 2.52.0, follow the documentation at https://beam.apache.org/documentation/ml/side-input-updates/ and use WatchFilePattern PTransform as a SideInput. (#28948)MLTransform doesn't output artifacts such as min, max and quantiles. Instead, MLTransform will add a feature to output these artifacts as human readable format - #29017. For now, to use the artifacts such as min and max that were produced by the eariler MLTransform, use read_artifact_location of MLTransform, which reads artifacts that were produced earlier in a different MLTransform (#29016)--max_cache_memory_usage_mb=0 pipeline option. (Python) (#30360).--setup_file pipeline option might experience an increase in pipeline submission time. This has been fixed in 2.56.0 (#31070).mypy on user pipelines (#27906)worker-startup log content is now captured by the worker logger. Users who relied on print() statements for logging might notice that some logs don't flush before pipeline succeeds - we strongly advise to use logging package instead of print() statements for logging. (#28317)t reflect.Type from parquetio.Write. The element type is derived from the input PCollection (Go) (#28490)fastavro
dependency to 1.8.3 or earlier on some runners that don't use Beam Docker containers: #28811
--staging_location at pipeline submission. Custom container images that are not based on Beam's default image must include Apache Beam installation.(#26996)func TestMain(m *testing.M) { ptest.MainWithDefault(m, "direct") }
direct_num_workers!=1.(#27373)orjson dependency might experience segmentation faults or get stuck: #28318.BigtableIO.ReadChangeStream (#27183)--prebuild_sdk_container_engine=cloud_build, like images depending on tensorflow or torch (#27023).pip cache when installing packages on the workers. This reduces the size of prebuilt Python container images (#27035).NullPointerException when a progress check is made before the reader is started (IO) (#23868)df | (Transform1 | Transform2 | ...) to avoid excessive conversions.)key and reverse. (#25888).:sdks:java:extensions:avro (#24748)LZMA compression/decompression of text files added to the Python SDK (#25316)use_bounded_concurrent_output_for_sdf.WatchFilePattern transform, which can be used as a side input to the RunInference PTransfrom to watch for model updates using a file pattern. (#24042)PytorchModelHandler. The TorchScript model path can be
passed to PytorchModelHandler using torch_script_model_path=<path_to_model>. (#25321)target_batch_duration_secs_including_fixed_cost=1 to BatchElements.Dockerfile
that the Beam container entrypoint and/or Beam base image version match the Beam SDK version used at job submission.beam-sdks-java-core and will be eventually removed. Please, migrate to a new module beam-sdks-java-extensions-avro instead by importing the classes from org.apache.beam.sdk.extensions.avro package.
For the sake of migration simplicity, the relative package path and the whole class hierarchy of Avro related classes in new module is preserved the same as it was before.
For example, import org.apache.beam.sdk.extensions.avro.coders.AvroCoder class instead oforg.apache.beam.sdk.coders.AvroCoder. (#24749).disable_runner_v2,
disable_runner_v2_until_2023, disable_prime_runner_v2 experiments will raise an error during
pipeline construction. You can no longer specify the Dataflow worker jar override. Note that
non-portable Java jobs and non-portable Python batch jobs are not impacted. (#24515).pyarrow>=3 and pandas>=1.4.3 since older versions are not compatible with numpy==1.24.0.python -m apache_beam.runners.render --help for more details.--extra_package option
(Python) (#23684).--resource_hints flag (Go) (#23990).map_windows urn added to Go SDK (#24307).ParquetIO.withSplit was removed since splittable reading has been the default behavior since 2.35.0. The effect of
this change is to drop support for non-splittable reading (Java)(#23832).beam-sdks-java-extensions-google-cloud-platform-core is no longer a
dependency of the Java SDK Harness. Some users of a portable runner (such as Dataflow Runner v2)
may have an undeclared dependency on this package (for example using GCS with
TextIO) and will now need to declare the dependency.beam-sdks-java-core is no longer a dependency of the Java SDK Harness. Users of a portable
runner (such as Dataflow Runner v2) will need to provide this package and its dependencies.poetry config virtualenvs.create false before installing deps, see an example in: #25085.
If you were negatively impacted by this change and cannot find a workaround, feel free to chime in on #16658.
To disable this behavior, you could upgrade to Beam 2.48.0 and set an environment variable
ENV RUN_PYTHON_SDK_IN_DEFAULT_ENVIRONMENT=1 in your Dockerfile.--spark_version.
Spark 2 support is deprecated and will be removed soon (#23728).AfterProcessingTime behavior in Python's DirectRunner to match Java (#23071)--experiments=disable_projection_pushdown.--experiments=disable_projection_pushdown.BoundedSourceAsSDFWrapperFn and UnboundedSourceAsSDFWrapper.javax.jms.Message (Java) (BEAM-16308).topicNameMapper must be set to extract the topic name from the input value.valueMapper must be set to convert the input value to JMS message.DataFrame.unstack(), DataFrame.pivot() and Series.unstack()
implemented for DataFrame API (BEAM-13948, BEAM-13966).ShallowCloneParDoPayload(), ShallowCloneSideInput(), and ShallowCloneFunctionSpec() have been removed from the Go SDK's pipelinex package (BEAM-13739).valueMapper to be set (BEAM-16308). You can use the TextMessageMapper to convert String inputs to JMS TestMessages: JmsIO.<String>write()
.withConnectionFactory(jmsConnectionFactory)
.withValueMapper(new TextMessageMapper());
metadata() added to io.filesystem.FileSystem in the
Python SDK. (BEAM-14314)--experiments=disable_projection_pushdown.amazon-web-services2 has reached feature parity and is finally recommended over the earlier amazon-web-services and kinesis modules (Java). These will be deprecated in one of the next releases (BEAM-13174).
Kinesis was added (BEAM-13175).AwsOptions (BEAM-13563, BEAM-13663, BEAM-13587).S3 Filesystem (BEAM-13245, BEAM-13246, BEAM-13441, BEAM-13445, BEAM-14011),
DynamoDB IO (BEAM-13209, BEAM-13209),
SQS IO (BEAM-13631, BEAM-13510) and others.--requirements_file will now be staged to the runner using binary distributions (wheels) of the PyPI packages for linux_x86_64 platform (BEAM-4032). To restore the behavior to use source distributions, set pipeline option --requirements_cache_only_sources. To skip staging the packages at submission time, set pipeline option --requirements_cache=skip (Python).DoFn.infer_output_types was expected to return Iterable[element_type] where element_type is the PCollection elemnt type. It is now expected to return element_type. Take care if you have overriden infer_output_type in a DoFn (this is not common). See BEAM-13860.amazon-web-services2) The types of awsRegion / endpoint in AwsOptions changed from String to Region / URI (BEAM-13563).amazon-web-services2) Client providers (withXYZClientProvider()) as well as IO specific RetryConfigurations are deprecated, instead use withClientConfiguration() or AwsOptions to configure AWS IOs / clients.
Custom implementations of client providers shall be replaced with a respective ClientBuilderFactory and configured through AwsOptions (BEAM-13563).pyarrow version parsing (Python)(BEAM-14235)SqsMessage for AWS IOs for SDK v2 was changed from String to long, visibility of all fields was fixed from package private to public BEAM-13638.JdbcIO.readWithPartitions from int to long (BEAM-13149).
This is a relatively minor breaking change, which we're implementing to improve the usability of the transform without increasing cruft.
This transform is relatively new, so we may implement other breaking changes in the future to improve its usability.with_exception_handling option for easily ignoring bad records and implementing the dead letter pattern.ReadFromBigQuery and ReadAllFromBigQuery now run queries with BATCH priority by default. The query_priority parameter is introduced to the same transforms to allow configuring the query priority (Python) (BEAM-12913).ReadFromBigQuery. The newly introduced method parameter can be set as DIRECT_READ to use the Storage Read API. The default is EXPORT which invokes a BigQuery export request. (Python) (BEAM-10917).use_native_datetime parameter to ReadFromBigQuery to configure the return type of DATETIME fields when using ReadFromBigQuery. This parameter can only be used when method = DIRECT_READ(Python) (BEAM-10917).dataframe extra to the Python SDK that tracks pandas versions
we've verified compatibility with. We now recommend installing Beam with pip install apache-beam[dataframe] when you intend to use the DataFrame API
(BEAM-12906).go.mod files will need to change to require github.com/apache/beam/sdks/v2..../sdks/go/... to .../sdks/v2/go/...
useReflectApi setting to control it (BEAM-12628).--allow_unsafe_triggers. (BEAM-9487).--allow_unsafe_triggers flag starting with Beam 2.34. (BEAM-9487).spark.jackson.version) to at least version 2.9.2, due to Beam updating its dependencies.VARCHAR, NVARCHAR, LONGVARCHAR, LONGNVARCHAR, DATE, TIME
(Java)(BEAM-12385).--allow_unsafe_triggers. (BEAM-9487).--allow_unsafe_triggers flag starting with Beam 2.33. (BEAM-9487).CREATE FUNCTION DDL statement added to Calcite SQL syntax. JAR and AGGREGATE are now reserved keywords. (BEAM-12339).TriggerFn has a new may_lose_data method to signal potential data loss. Default behavior assumes safe (necessary for backwards compatibility). See Deprecations for potential impact of overriding this. (BEAM-9487).Row(x=3, y=4) is no
longer considered equal to Row(y=4, x=3) (BEAM-11929).TopCombineFn disallow compare as its argument (Python) (BEAM-7372).--allow_unsafe_triggers. (BEAM-9487).--allow_unsafe_triggers flag starting with Beam 2.33. (BEAM-9487).FakeDeterministicFastPrimitivesCoder with
beam.coders.registry.register_fallback_coder(beam.coders.coders.FakeDeterministicFastPrimitivesCoder())
or use the allow_non_deterministic_key_coders pipeline option.dependencyManagement in Maven and
force in Gradle.ReadAllFromBigQuery that can receive multiple requests to read data from BigQuery at pipeline runtime. See PR 13170, and BEAM-9650.--region flag in amazon-web-services2 was replaced by --awsRegion (BEAM-11331).--experiments=use_deprecated_read. The Apache Beam community is looking for feedback for this change as the community is planning to make this change permanent with no opt-out. If you run into an issue requiring the opt-out, please send an e-mail to user@beam.apache.org specifically referencing BEAM-10670 in the subject line and why you needed to opt-out. (Java) (BEAM-10670)--HTTPWriteTimeout=0 to revert to the old behavior. (BEAM-6103)--experiments=use_runner_v2 before using this feature. (BEAM-3736)CombineFn.from_callable() or CombineFn.maybe_from_callable() can lead to incorrect behavior. (BEAM-11522).--experiments=use_deprecated_read. The Apache Beam community is looking for feedback for this change as the community is planning to make this change permanent with no opt-out. If you run into an issue requiring the opt-out, please send an e-mail to user@beam.apache.org specifically referencing BEAM-10670 in the subject line and why you needed to opt-out. (Java) (BEAM-10670)apache_beam.io.kinesis (BEAM-10138, BEAM-10137).apache_beam.io.snowflake (BEAM-9898).ElasticsearchIO#Write. Now, Java's ElasticsearchIO can be used to selectively delete documents using withIsDeleteFn function (BEAM-5757).ReadFromBigQuery added. (Python) (BEAM-10524)@ptransform_fn decorators in the Python SDK.
(BEAM-4091)
This has not enabled by default to preserve backwards compatibility; use the
--type_check_additional=ptransform_fn flag to enable. It may be enabled by
default in future versions of Beam.apache_beam.io.external.snowflake to apache_beam.io.snowflake. The previous path will be removed in the future versions.--experiments=use_legacy_bq_sink.apache_beam.io.jdbc (BEAM-10135, BEAM-10136).apache_beam.io.external.snowflake (BEAM-9897).typing.FrozenSet type hints, which are not interchangeable with typing.Set. You may need to update your pipelines if type checking fails. (BEAM-10197)apache_beam.io.gcp.bigquery.ReadFromBigQuery. This transform
is experimental. It reads data from BigQuery by exporting data to Avro files, and reading those files. It also supports
reading data by exporting to JSON files. This has small differences in behavior for Time and Date-related fields. See
Pydoc for more information.RowJson.RowJsonDeserializer, JsonToRow, and PubsubJsonTableProvider now accept "implicit
nulls" by default when deserializing JSON (Java) (BEAM-10220).
Previously nulls could only be represented with explicit null values, as in
{"foo": "bar", "baz": null}, whereas an implicit null like {"foo": "bar"} would raise an
exception. Now both JSON strings will yield the same result by default. This behavior can be
overridden with RowJson.RowJsonDeserializer#withNullBehavior.GroupIntoBatches experimental transform in Python to actually group batches by key.
This changes the output type for this transform (BEAM-6696).--workerCacheMB flag is supported in Dataflow streaming pipeline (BEAM-9964)--direct_num_workers=0 is supported for FnApi runner. It will set the number of threads/subprocesses to number of cores of the machine executing the pipeline (BEAM-9443).--job_endpoint to be set when using --runner=PortableRunner (BEAM-9860). Users seeking the old default behavior should set --runner=FlinkRunner instead.apache_beam.io.gcp.datastore.v1 has been removed
as the client it uses is out of date and does not support Python 3
(BEAM-9529).
Please migrate your code to use
apache_beam.io.gcp.datastore.v1new.
See the updated
datastore_wordcount
for example usage.Python SDK will now use Python 3 type annotations as pipeline type hints. (#10717)
If you suspect that this feature is causing your pipeline to fail, calling
apache_beam.typehints.disable_type_annotations() before pipeline creation
will disable is completely, and decorating specific functions (such as
process()) with @apache_beam.typehints.no_annotations will disable it
for that function.
More details will be in Ensuring Python Type Safety and an upcoming blog post.
Java SDK: Introducing the concept of options in Beam Schemas. These options add extra context to fields and schemas. This replaces the current Beam metadata that is present in a FieldType only, options are available in fields and row schemas. Schema options are fully typed and can contain complex rows. Remark: Schema aware is still experimental. (BEAM-9035)
Java SDK: The protobuf extension is fully schema aware and also includes protobuf option conversion to beam schema options. Remark: Schema aware is still experimental. (BEAM-9044)
Added ability to write to BigQuery via Avro file loads (Python) (BEAM-8841)
By default, file loads will be done using JSON, but it is possible to specify the temp_file_format parameter to perform file exports with AVRO. AVRO-based file loads work by exporting Python types into Avro types, so to switch to Avro-based loads, you will need to change your data types from Json-compatible types (string-type dates and timestamp, long numeric values as strings) into Python native types that are written to Avro (Python's date, datetime types, decimal, etc). For more information see https://cloud.google.com/bigquery/docs/loading-data-cloud-storage-avro#avro_conversions.
Added integration of Java SDK with Google Cloud AI VideoIntelligence service (BEAM-9147)
Added integration of Java SDK with Google Cloud AI natural language processing API (BEAM-9634)
docker-pull-licenses tag was introduced. Licenses/notices of third party dependencies will be added to the docker images when docker-pull-licenses was set.
The files are added to /opt/apache/beam/third_party_licenses/.
By default, no licenses/notices are added to the docker images. (BEAM-9136)
--region option to be set, unless a default value is set in the environment (BEAM-9199). See here for more details.2.23.0. (BEAM-9704)--zone option in the Dataflow runner is now deprecated. Please use --worker_zone instead. (BEAM-9716)SpannerConfig.connectToSpanner has been moved to SpannerAccessor.create. (BEAM-9310).force_generated_pcollection_output_ids experiment.此处可能存在不合适展示的内容，页面不予展示。您可通过相关编辑功能自查并修改。
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