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| <div class="section" id="module-apache_beam.testing.synthetic_pipeline"> |
| <span id="apache-beam-testing-synthetic-pipeline-module"></span><h1>apache_beam.testing.synthetic_pipeline module<a class="headerlink" href="#module-apache_beam.testing.synthetic_pipeline" title="Permalink to this headline">¶</a></h1> |
| <p>A set of utilities to write pipelines for performance tests.</p> |
| <p>This module offers a way to create pipelines using synthetic sources and steps. |
| Exact shape of the pipeline and the behaviour of sources and steps can be |
| controlled through arguments. Please see function ‘parse_args()’ for more |
| details about the arguments.</p> |
| <p>Shape of the pipeline is primariy controlled through two arguments. Argument |
| ‘steps’ can be used to define a list of steps as a JSON string. Argument |
| ‘barrier’ describes how these steps are separated from each other. Argument |
| ‘barrier’ can be use to build a pipeline as a a series of steps or a tree of |
| steps with a fanin or a fanout of size 2.</p> |
| <p>Other arguments describe what gets generated by synthetic sources that produce |
| data for the pipeline.</p> |
| <dl class="attribute"> |
| <dt id="apache_beam.testing.synthetic_pipeline.Generator"> |
| <code class="descclassname">apache_beam.testing.synthetic_pipeline.</code><code class="descname">Generator</code><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.Generator" title="Permalink to this definition">¶</a></dt> |
| <dd><p>alias of <code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.testing.synthetic_pipeline._Random</span></code></p> |
| </dd></dl> |
| |
| <dl class="function"> |
| <dt id="apache_beam.testing.synthetic_pipeline.parse_byte_size"> |
| <code class="descclassname">apache_beam.testing.synthetic_pipeline.</code><code class="descname">parse_byte_size</code><span class="sig-paren">(</span><em>s</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#parse_byte_size"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.parse_byte_size" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="function"> |
| <dt id="apache_beam.testing.synthetic_pipeline.div_round_up"> |
| <code class="descclassname">apache_beam.testing.synthetic_pipeline.</code><code class="descname">div_round_up</code><span class="sig-paren">(</span><em>a</em>, <em>b</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#div_round_up"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.div_round_up" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Return ceil(a/b).</p> |
| </dd></dl> |
| |
| <dl class="function"> |
| <dt id="apache_beam.testing.synthetic_pipeline.rotate_key"> |
| <code class="descclassname">apache_beam.testing.synthetic_pipeline.</code><code class="descname">rotate_key</code><span class="sig-paren">(</span><em>element</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#rotate_key"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.rotate_key" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Returns a new key-value pair of the same size but with a different key.</p> |
| </dd></dl> |
| |
| <dl class="function"> |
| <dt id="apache_beam.testing.synthetic_pipeline.initial_splitting_zipf"> |
| <code class="descclassname">apache_beam.testing.synthetic_pipeline.</code><code class="descname">initial_splitting_zipf</code><span class="sig-paren">(</span><em>start_position</em>, <em>stop_position</em>, <em>desired_num_bundles</em>, <em>distribution_parameter</em>, <em>num_total_records=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#initial_splitting_zipf"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.initial_splitting_zipf" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Split the given range (defined by start_position, stop_position) into |
| desired_num_bundles using zipf with the given distribution_parameter.</p> |
| </dd></dl> |
| |
| <dl class="class"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticStep"> |
| <em class="property">class </em><code class="descclassname">apache_beam.testing.synthetic_pipeline.</code><code class="descname">SyntheticStep</code><span class="sig-paren">(</span><em>per_element_delay_sec=0</em>, <em>per_bundle_delay_sec=0</em>, <em>output_records_per_input_record=1</em>, <em>output_filter_ratio=0</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticStep"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticStep" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Bases: <a class="reference internal" href="apache_beam.transforms.core.html#apache_beam.transforms.core.DoFn" title="apache_beam.transforms.core.DoFn"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.transforms.core.DoFn</span></code></a></p> |
| <p>A DoFn of which behavior can be controlled through prespecified parameters.</p> |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticStep.start_bundle"> |
| <code class="descname">start_bundle</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticStep.start_bundle"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticStep.start_bundle" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticStep.finish_bundle"> |
| <code class="descname">finish_bundle</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticStep.finish_bundle"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticStep.finish_bundle" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticStep.process"> |
| <code class="descname">process</code><span class="sig-paren">(</span><em>element</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticStep.process"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticStep.process" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="class"> |
| <dt id="apache_beam.testing.synthetic_pipeline.NonLiquidShardingOffsetRangeTracker"> |
| <em class="property">class </em><code class="descclassname">apache_beam.testing.synthetic_pipeline.</code><code class="descname">NonLiquidShardingOffsetRangeTracker</code><span class="sig-paren">(</span><em>offset_range</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#NonLiquidShardingOffsetRangeTracker"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.NonLiquidShardingOffsetRangeTracker" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Bases: <a class="reference internal" href="apache_beam.io.restriction_trackers.html#apache_beam.io.restriction_trackers.OffsetRestrictionTracker" title="apache_beam.io.restriction_trackers.OffsetRestrictionTracker"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.io.restriction_trackers.OffsetRestrictionTracker</span></code></a></p> |
| <p>An OffsetRangeTracker that doesn’t allow splitting.</p> |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.NonLiquidShardingOffsetRangeTracker.try_split"> |
| <code class="descname">try_split</code><span class="sig-paren">(</span><em>split_offset</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#NonLiquidShardingOffsetRangeTracker.try_split"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.NonLiquidShardingOffsetRangeTracker.try_split" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.NonLiquidShardingOffsetRangeTracker.checkpoint"> |
| <code class="descname">checkpoint</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#NonLiquidShardingOffsetRangeTracker.checkpoint"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.NonLiquidShardingOffsetRangeTracker.checkpoint" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="class"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticSDFStepRestrictionProvider"> |
| <em class="property">class </em><code class="descclassname">apache_beam.testing.synthetic_pipeline.</code><code class="descname">SyntheticSDFStepRestrictionProvider</code><span class="sig-paren">(</span><em>num_records</em>, <em>initial_splitting_num_bundles</em>, <em>initial_splitting_uneven_chunks</em>, <em>disable_liquid_sharding</em>, <em>size_estimate_override</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticSDFStepRestrictionProvider"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticSDFStepRestrictionProvider" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Bases: <a class="reference internal" href="apache_beam.transforms.core.html#apache_beam.transforms.core.RestrictionProvider" title="apache_beam.transforms.core.RestrictionProvider"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.transforms.core.RestrictionProvider</span></code></a></p> |
| <p>A <cite>RestrictionProvider</cite> for SyntheticSDFStep.</p> |
| <p>An initial_restriction and split that operate on num_records and ignores |
| source description (element). Splits into initial_splitting_num_bundles. |
| Returns size_estimate_override as restriction size, if set. Otherwise uses |
| element size.</p> |
| <p>If initial_splitting_uneven_chunks, produces uneven chunks.</p> |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticSDFStepRestrictionProvider.initial_restriction"> |
| <code class="descname">initial_restriction</code><span class="sig-paren">(</span><em>element</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticSDFStepRestrictionProvider.initial_restriction"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticSDFStepRestrictionProvider.initial_restriction" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticSDFStepRestrictionProvider.create_tracker"> |
| <code class="descname">create_tracker</code><span class="sig-paren">(</span><em>restriction</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticSDFStepRestrictionProvider.create_tracker"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticSDFStepRestrictionProvider.create_tracker" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticSDFStepRestrictionProvider.split"> |
| <code class="descname">split</code><span class="sig-paren">(</span><em>element</em>, <em>restriction</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticSDFStepRestrictionProvider.split"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticSDFStepRestrictionProvider.split" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticSDFStepRestrictionProvider.restriction_size"> |
| <code class="descname">restriction_size</code><span class="sig-paren">(</span><em>element</em>, <em>restriction</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticSDFStepRestrictionProvider.restriction_size"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticSDFStepRestrictionProvider.restriction_size" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="function"> |
| <dt id="apache_beam.testing.synthetic_pipeline.get_synthetic_sdf_step"> |
| <code class="descclassname">apache_beam.testing.synthetic_pipeline.</code><code class="descname">get_synthetic_sdf_step</code><span class="sig-paren">(</span><em>per_element_delay_sec=0</em>, <em>per_bundle_delay_sec=0</em>, <em>output_records_per_input_record=1</em>, <em>output_filter_ratio=0</em>, <em>initial_splitting_num_bundles=8</em>, <em>initial_splitting_uneven_chunks=False</em>, <em>disable_liquid_sharding=False</em>, <em>size_estimate_override=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#get_synthetic_sdf_step"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.get_synthetic_sdf_step" title="Permalink to this definition">¶</a></dt> |
| <dd><p>A function which returns a SyntheticSDFStep with given parameters.</p> |
| </dd></dl> |
| |
| <dl class="class"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticSource"> |
| <em class="property">class </em><code class="descclassname">apache_beam.testing.synthetic_pipeline.</code><code class="descname">SyntheticSource</code><span class="sig-paren">(</span><em>input_spec</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticSource"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticSource" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Bases: <a class="reference internal" href="apache_beam.io.iobase.html#apache_beam.io.iobase.BoundedSource" title="apache_beam.io.iobase.BoundedSource"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.io.iobase.BoundedSource</span></code></a></p> |
| <p>A custom source of a specified size.</p> |
| <p>Initiates a synthetic source.</p> |
| <table class="docutils field-list" frame="void" rules="none"> |
| <col class="field-name" /> |
| <col class="field-body" /> |
| <tbody valign="top"> |
| <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>input_spec</strong> – Input specification of the source. See corresponding option in |
| function ‘parse_args()’ below for more details.</td> |
| </tr> |
| <tr class="field-even field"><th class="field-name">Raises:</th><td class="field-body"><a class="reference external" href="https://docs.python.org/3/library/exceptions.html#ValueError" title="(in Python v3.9)"><code class="xref py py-exc docutils literal notranslate"><span class="pre">ValueError</span></code></a> – if input parameters are invalid.</td> |
| </tr> |
| </tbody> |
| </table> |
| <dl class="attribute"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticSource.element_size"> |
| <code class="descname">element_size</code><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticSource.element_size" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticSource.estimate_size"> |
| <code class="descname">estimate_size</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticSource.estimate_size"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticSource.estimate_size" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticSource.split"> |
| <code class="descname">split</code><span class="sig-paren">(</span><em>desired_bundle_size</em>, <em>start_position=0</em>, <em>stop_position=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticSource.split"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticSource.split" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticSource.get_range_tracker"> |
| <code class="descname">get_range_tracker</code><span class="sig-paren">(</span><em>start_position</em>, <em>stop_position</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticSource.get_range_tracker"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticSource.get_range_tracker" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticSource.read"> |
| <code class="descname">read</code><span class="sig-paren">(</span><em>range_tracker</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticSource.read"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticSource.read" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticSource.default_output_coder"> |
| <code class="descname">default_output_coder</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticSource.default_output_coder"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticSource.default_output_coder" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="class"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticSDFSourceRestrictionProvider"> |
| <em class="property">class </em><code class="descclassname">apache_beam.testing.synthetic_pipeline.</code><code class="descname">SyntheticSDFSourceRestrictionProvider</code><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticSDFSourceRestrictionProvider"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticSDFSourceRestrictionProvider" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Bases: <a class="reference internal" href="apache_beam.transforms.core.html#apache_beam.transforms.core.RestrictionProvider" title="apache_beam.transforms.core.RestrictionProvider"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.transforms.core.RestrictionProvider</span></code></a></p> |
| <p>A <cite>RestrictionProvider</cite> for SyntheticSDFAsSource.</p> |
| <p>In initial_restriction(element) and split(element), element means source |
| description. |
| A typical element is like:</p> |
| <blockquote> |
| <div><dl class="docutils"> |
| <dt>{</dt> |
| <dd>‘key_size’: 1, |
| ‘value_size’: 1, |
| ‘initial_splitting_num_bundles’: 8, |
| ‘initial_splitting_desired_bundle_size’: 2, |
| ‘sleep_per_input_record_sec’: 0, |
| ‘initial_splitting’ : ‘const’</dd> |
| </dl> |
| <p>}</p> |
| </div></blockquote> |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticSDFSourceRestrictionProvider.initial_restriction"> |
| <code class="descname">initial_restriction</code><span class="sig-paren">(</span><em>element</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticSDFSourceRestrictionProvider.initial_restriction"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticSDFSourceRestrictionProvider.initial_restriction" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticSDFSourceRestrictionProvider.create_tracker"> |
| <code class="descname">create_tracker</code><span class="sig-paren">(</span><em>restriction</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticSDFSourceRestrictionProvider.create_tracker"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticSDFSourceRestrictionProvider.create_tracker" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticSDFSourceRestrictionProvider.split"> |
| <code class="descname">split</code><span class="sig-paren">(</span><em>element</em>, <em>restriction</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticSDFSourceRestrictionProvider.split"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticSDFSourceRestrictionProvider.split" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticSDFSourceRestrictionProvider.restriction_size"> |
| <code class="descname">restriction_size</code><span class="sig-paren">(</span><em>element</em>, <em>restriction</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticSDFSourceRestrictionProvider.restriction_size"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticSDFSourceRestrictionProvider.restriction_size" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="class"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticSDFAsSource"> |
| <em class="property">class </em><code class="descclassname">apache_beam.testing.synthetic_pipeline.</code><code class="descname">SyntheticSDFAsSource</code><span class="sig-paren">(</span><em>*unused_args</em>, <em>**unused_kwargs</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticSDFAsSource"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticSDFAsSource" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Bases: <a class="reference internal" href="apache_beam.transforms.core.html#apache_beam.transforms.core.DoFn" title="apache_beam.transforms.core.DoFn"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.transforms.core.DoFn</span></code></a></p> |
| <p>A SDF that generates records like a source.</p> |
| <p>This SDF accepts a PCollection of record-based source description. |
| A typical description is like:</p> |
| <blockquote> |
| <div><dl class="docutils"> |
| <dt>{</dt> |
| <dd>‘key_size’: 1, |
| ‘value_size’: 1, |
| ‘initial_splitting_num_bundles’: 8, |
| ‘initial_splitting_desired_bundle_size’: 2, |
| ‘sleep_per_input_record_sec’: 0, |
| ‘initial_splitting’ : ‘const’</dd> |
| </dl> |
| <p>}</p> |
| </div></blockquote> |
| <dl class="docutils"> |
| <dt>A simple pipeline taking this SDF as a source is like:</dt> |
| <dd>p |
| | beam.Create([description1, description2,…]) |
| | beam.ParDo(SyntheticSDFAsSource())</dd> |
| </dl> |
| <div class="admonition note"> |
| <p class="first admonition-title">Note</p> |
| <p class="last">The SDF.process() will have different param content between defining a DoFn |
| and runtime. |
| When defining an SDF.process, the restriction_tracker should be a |
| <cite>RestrictionProvider</cite>. |
| During runtime, the DoFnRunner.process_with_sized_restriction() will feed |
| a ‘RestrictionTracker’ based on a restriction to SDF.process().</p> |
| </div> |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SyntheticSDFAsSource.process"> |
| <code class="descname">process</code><span class="sig-paren">(</span><em>element</em>, <em>restriction_tracker=RestrictionParam(SyntheticSDFSourceRestrictionProvider)</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SyntheticSDFAsSource.process"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SyntheticSDFAsSource.process" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="class"> |
| <dt id="apache_beam.testing.synthetic_pipeline.ShuffleBarrier"> |
| <em class="property">class </em><code class="descclassname">apache_beam.testing.synthetic_pipeline.</code><code class="descname">ShuffleBarrier</code><span class="sig-paren">(</span><em>label=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#ShuffleBarrier"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.ShuffleBarrier" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Bases: <a class="reference internal" href="apache_beam.transforms.ptransform.html#apache_beam.transforms.ptransform.PTransform" title="apache_beam.transforms.ptransform.PTransform"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.transforms.ptransform.PTransform</span></code></a></p> |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.ShuffleBarrier.expand"> |
| <code class="descname">expand</code><span class="sig-paren">(</span><em>pc</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#ShuffleBarrier.expand"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.ShuffleBarrier.expand" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="class"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SideInputBarrier"> |
| <em class="property">class </em><code class="descclassname">apache_beam.testing.synthetic_pipeline.</code><code class="descname">SideInputBarrier</code><span class="sig-paren">(</span><em>label=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SideInputBarrier"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SideInputBarrier" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Bases: <a class="reference internal" href="apache_beam.transforms.ptransform.html#apache_beam.transforms.ptransform.PTransform" title="apache_beam.transforms.ptransform.PTransform"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.transforms.ptransform.PTransform</span></code></a></p> |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.SideInputBarrier.expand"> |
| <code class="descname">expand</code><span class="sig-paren">(</span><em>pc</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#SideInputBarrier.expand"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.SideInputBarrier.expand" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="function"> |
| <dt id="apache_beam.testing.synthetic_pipeline.merge_using_gbk"> |
| <code class="descclassname">apache_beam.testing.synthetic_pipeline.</code><code class="descname">merge_using_gbk</code><span class="sig-paren">(</span><em>name</em>, <em>pc1</em>, <em>pc2</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#merge_using_gbk"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.merge_using_gbk" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Merges two given PCollections using a CoGroupByKey.</p> |
| </dd></dl> |
| |
| <dl class="function"> |
| <dt id="apache_beam.testing.synthetic_pipeline.merge_using_side_input"> |
| <code class="descclassname">apache_beam.testing.synthetic_pipeline.</code><code class="descname">merge_using_side_input</code><span class="sig-paren">(</span><em>name</em>, <em>pc1</em>, <em>pc2</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#merge_using_side_input"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.merge_using_side_input" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Merges two given PCollections using side inputs.</p> |
| </dd></dl> |
| |
| <dl class="function"> |
| <dt id="apache_beam.testing.synthetic_pipeline.expand_using_gbk"> |
| <code class="descclassname">apache_beam.testing.synthetic_pipeline.</code><code class="descname">expand_using_gbk</code><span class="sig-paren">(</span><em>name</em>, <em>pc</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#expand_using_gbk"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.expand_using_gbk" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Expands a given PCollection into two copies using GroupByKey.</p> |
| </dd></dl> |
| |
| <dl class="function"> |
| <dt id="apache_beam.testing.synthetic_pipeline.expand_using_second_output"> |
| <code class="descclassname">apache_beam.testing.synthetic_pipeline.</code><code class="descname">expand_using_second_output</code><span class="sig-paren">(</span><em>name</em>, <em>pc</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#expand_using_second_output"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.expand_using_second_output" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Expands a given PCollection into two copies using side outputs.</p> |
| </dd></dl> |
| |
| <dl class="function"> |
| <dt id="apache_beam.testing.synthetic_pipeline.parse_args"> |
| <code class="descclassname">apache_beam.testing.synthetic_pipeline.</code><code class="descname">parse_args</code><span class="sig-paren">(</span><em>args</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#parse_args"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.parse_args" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Parses a given set of arguments.</p> |
| <table class="docutils field-list" frame="void" rules="none"> |
| <col class="field-name" /> |
| <col class="field-body" /> |
| <tbody valign="top"> |
| <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>args</strong> – set of arguments to be passed.</td> |
| </tr> |
| <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">a tuple where first item gives the set of arguments defined and parsed |
| within this method and second item gives the set of unknown arguments.</td> |
| </tr> |
| </tbody> |
| </table> |
| </dd></dl> |
| |
| <dl class="function"> |
| <dt id="apache_beam.testing.synthetic_pipeline.run"> |
| <code class="descclassname">apache_beam.testing.synthetic_pipeline.</code><code class="descname">run</code><span class="sig-paren">(</span><em>argv=None</em>, <em>save_main_session=True</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#run"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.run" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Runs the workflow.</p> |
| </dd></dl> |
| |
| <dl class="class"> |
| <dt id="apache_beam.testing.synthetic_pipeline.StatefulLoadGenerator"> |
| <em class="property">class </em><code class="descclassname">apache_beam.testing.synthetic_pipeline.</code><code class="descname">StatefulLoadGenerator</code><span class="sig-paren">(</span><em>input_options</em>, <em>num_keys=100</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#StatefulLoadGenerator"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.StatefulLoadGenerator" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Bases: <a class="reference internal" href="apache_beam.transforms.ptransform.html#apache_beam.transforms.ptransform.PTransform" title="apache_beam.transforms.ptransform.PTransform"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.transforms.ptransform.PTransform</span></code></a></p> |
| <p>A PTransform for generating random data using Timers API.</p> |
| <dl class="class"> |
| <dt id="apache_beam.testing.synthetic_pipeline.StatefulLoadGenerator.GenerateKeys"> |
| <em class="property">class </em><code class="descname">GenerateKeys</code><span class="sig-paren">(</span><em>num_keys</em>, <em>key_size</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#StatefulLoadGenerator.GenerateKeys"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.StatefulLoadGenerator.GenerateKeys" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Bases: <a class="reference internal" href="apache_beam.transforms.core.html#apache_beam.transforms.core.DoFn" title="apache_beam.transforms.core.DoFn"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.transforms.core.DoFn</span></code></a></p> |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.StatefulLoadGenerator.GenerateKeys.process"> |
| <code class="descname">process</code><span class="sig-paren">(</span><em>impulse</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#StatefulLoadGenerator.GenerateKeys.process"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.StatefulLoadGenerator.GenerateKeys.process" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
| <dl class="class"> |
| <dt id="apache_beam.testing.synthetic_pipeline.StatefulLoadGenerator.GenerateLoad"> |
| <em class="property">class </em><code class="descname">GenerateLoad</code><span class="sig-paren">(</span><em>num_records_per_key</em>, <em>value_size</em>, <em>bundle_size=1000</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#StatefulLoadGenerator.GenerateLoad"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.StatefulLoadGenerator.GenerateLoad" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Bases: <a class="reference internal" href="apache_beam.transforms.core.html#apache_beam.transforms.core.DoFn" title="apache_beam.transforms.core.DoFn"><code class="xref py py-class docutils literal notranslate"><span class="pre">apache_beam.transforms.core.DoFn</span></code></a></p> |
| <dl class="attribute"> |
| <dt id="apache_beam.testing.synthetic_pipeline.StatefulLoadGenerator.GenerateLoad.state_spec"> |
| <code class="descname">state_spec</code><em class="property"> = CombiningValueStateSpec(bundles_remaining)</em><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.StatefulLoadGenerator.GenerateLoad.state_spec" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="attribute"> |
| <dt id="apache_beam.testing.synthetic_pipeline.StatefulLoadGenerator.GenerateLoad.timer_spec"> |
| <code class="descname">timer_spec</code><em class="property"> = TimerSpec(ts-timer)</em><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.StatefulLoadGenerator.GenerateLoad.timer_spec" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.StatefulLoadGenerator.GenerateLoad.process"> |
| <code class="descname">process</code><span class="sig-paren">(</span><em>_element</em>, <em>records_remaining=StateParam(bundles_remaining)</em>, <em>timer=TimerParam(ts-timer)</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#StatefulLoadGenerator.GenerateLoad.process"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.StatefulLoadGenerator.GenerateLoad.process" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="apache_beam.testing.synthetic_pipeline.StatefulLoadGenerator.GenerateLoad.process_timer"> |
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| <dt id="apache_beam.testing.synthetic_pipeline.StatefulLoadGenerator.expand"> |
| <code class="descname">expand</code><span class="sig-paren">(</span><em>pbegin</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/apache_beam/testing/synthetic_pipeline.html#StatefulLoadGenerator.expand"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#apache_beam.testing.synthetic_pipeline.StatefulLoadGenerator.expand" title="Permalink to this definition">¶</a></dt> |
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