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| <div class="section" id="pyspark-barriertaskcontext"> |
| <h1>pyspark.BarrierTaskContext<a class="headerlink" href="#pyspark-barriertaskcontext" title="Permalink to this headline">¶</a></h1> |
| <dl class="py class"> |
| <dt id="pyspark.BarrierTaskContext"> |
| <em class="property">class </em><code class="sig-prename descclassname">pyspark.</code><code class="sig-name descname">BarrierTaskContext</code><a class="reference internal" href="../../_modules/pyspark/taskcontext.html#BarrierTaskContext"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pyspark.BarrierTaskContext" title="Permalink to this definition">¶</a></dt> |
| <dd><p>A <a class="reference internal" href="pyspark.TaskContext.html#pyspark.TaskContext" title="pyspark.TaskContext"><code class="xref py py-class docutils literal notranslate"><span class="pre">TaskContext</span></code></a> with extra contextual info and tooling for tasks in a barrier stage. |
| Use <a class="reference internal" href="pyspark.BarrierTaskContext.get.html#pyspark.BarrierTaskContext.get" title="pyspark.BarrierTaskContext.get"><code class="xref py py-func docutils literal notranslate"><span class="pre">BarrierTaskContext.get()</span></code></a> to obtain the barrier context for a running barrier task.</p> |
| <div class="versionadded"> |
| <p><span class="versionmodified added">New in version 2.4.0.</span></p> |
| </div> |
| <p class="rubric">Notes</p> |
| <p>This API is experimental</p> |
| <p class="rubric">Methods</p> |
| <table class="longtable table autosummary"> |
| <colgroup> |
| <col style="width: 10%" /> |
| <col style="width: 90%" /> |
| </colgroup> |
| <tbody> |
| <tr class="row-odd"><td><p><a class="reference internal" href="pyspark.BarrierTaskContext.allGather.html#pyspark.BarrierTaskContext.allGather" title="pyspark.BarrierTaskContext.allGather"><code class="xref py py-obj docutils literal notranslate"><span class="pre">allGather</span></code></a>([message])</p></td> |
| <td><p>This function blocks until all tasks in the same stage have reached this routine.</p></td> |
| </tr> |
| <tr class="row-even"><td><p><a class="reference internal" href="pyspark.BarrierTaskContext.attemptNumber.html#pyspark.BarrierTaskContext.attemptNumber" title="pyspark.BarrierTaskContext.attemptNumber"><code class="xref py py-obj docutils literal notranslate"><span class="pre">attemptNumber</span></code></a>()</p></td> |
| <td><p><p>”</p> |
| </p></td> |
| </tr> |
| <tr class="row-odd"><td><p><a class="reference internal" href="pyspark.BarrierTaskContext.barrier.html#pyspark.BarrierTaskContext.barrier" title="pyspark.BarrierTaskContext.barrier"><code class="xref py py-obj docutils literal notranslate"><span class="pre">barrier</span></code></a>()</p></td> |
| <td><p>Sets a global barrier and waits until all tasks in this stage hit this barrier.</p></td> |
| </tr> |
| <tr class="row-even"><td><p><code class="xref py py-obj docutils literal notranslate"><span class="pre">cpus</span></code>()</p></td> |
| <td><p>CPUs allocated to the task.</p></td> |
| </tr> |
| <tr class="row-odd"><td><p><a class="reference internal" href="pyspark.BarrierTaskContext.get.html#pyspark.BarrierTaskContext.get" title="pyspark.BarrierTaskContext.get"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get</span></code></a>()</p></td> |
| <td><p>Return the currently active <a class="reference internal" href="#pyspark.BarrierTaskContext" title="pyspark.BarrierTaskContext"><code class="xref py py-class docutils literal notranslate"><span class="pre">BarrierTaskContext</span></code></a>.</p></td> |
| </tr> |
| <tr class="row-even"><td><p><a class="reference internal" href="pyspark.BarrierTaskContext.getLocalProperty.html#pyspark.BarrierTaskContext.getLocalProperty" title="pyspark.BarrierTaskContext.getLocalProperty"><code class="xref py py-obj docutils literal notranslate"><span class="pre">getLocalProperty</span></code></a>(key)</p></td> |
| <td><p>Get a local property set upstream in the driver, or None if it is missing.</p></td> |
| </tr> |
| <tr class="row-odd"><td><p><a class="reference internal" href="pyspark.BarrierTaskContext.getTaskInfos.html#pyspark.BarrierTaskContext.getTaskInfos" title="pyspark.BarrierTaskContext.getTaskInfos"><code class="xref py py-obj docutils literal notranslate"><span class="pre">getTaskInfos</span></code></a>()</p></td> |
| <td><p>Returns <a class="reference internal" href="pyspark.BarrierTaskInfo.html#pyspark.BarrierTaskInfo" title="pyspark.BarrierTaskInfo"><code class="xref py py-class docutils literal notranslate"><span class="pre">BarrierTaskInfo</span></code></a> for all tasks in this barrier stage, ordered by partition ID.</p></td> |
| </tr> |
| <tr class="row-even"><td><p><a class="reference internal" href="pyspark.BarrierTaskContext.partitionId.html#pyspark.BarrierTaskContext.partitionId" title="pyspark.BarrierTaskContext.partitionId"><code class="xref py py-obj docutils literal notranslate"><span class="pre">partitionId</span></code></a>()</p></td> |
| <td><p>The ID of the RDD partition that is computed by this task.</p></td> |
| </tr> |
| <tr class="row-odd"><td><p><a class="reference internal" href="pyspark.BarrierTaskContext.resources.html#pyspark.BarrierTaskContext.resources" title="pyspark.BarrierTaskContext.resources"><code class="xref py py-obj docutils literal notranslate"><span class="pre">resources</span></code></a>()</p></td> |
| <td><p>Resources allocated to the task.</p></td> |
| </tr> |
| <tr class="row-even"><td><p><a class="reference internal" href="pyspark.BarrierTaskContext.stageId.html#pyspark.BarrierTaskContext.stageId" title="pyspark.BarrierTaskContext.stageId"><code class="xref py py-obj docutils literal notranslate"><span class="pre">stageId</span></code></a>()</p></td> |
| <td><p>The ID of the stage that this task belong to.</p></td> |
| </tr> |
| <tr class="row-odd"><td><p><a class="reference internal" href="pyspark.BarrierTaskContext.taskAttemptId.html#pyspark.BarrierTaskContext.taskAttemptId" title="pyspark.BarrierTaskContext.taskAttemptId"><code class="xref py py-obj docutils literal notranslate"><span class="pre">taskAttemptId</span></code></a>()</p></td> |
| <td><p>An ID that is unique to this task attempt (within the same SparkContext, no two task attempts will share the same attempt ID).</p></td> |
| </tr> |
| </tbody> |
| </table> |
| </dd></dl> |
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