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| <h1>Source code for apache_beam.runners.direct.direct_metrics</h1><div class="highlight"><pre> |
| <span></span><span class="c1">#</span> |
| <span class="c1"># Licensed to the Apache Software Foundation (ASF) under one or more</span> |
| <span class="c1"># contributor license agreements. See the NOTICE file distributed with</span> |
| <span class="c1"># this work for additional information regarding copyright ownership.</span> |
| <span class="c1"># The ASF licenses this file to You under the Apache License, Version 2.0</span> |
| <span class="c1"># (the "License"); you may not use this file except in compliance with</span> |
| <span class="c1"># the License. You may obtain a copy of the License at</span> |
| <span class="c1">#</span> |
| <span class="c1"># http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="c1">#</span> |
| <span class="c1"># Unless required by applicable law or agreed to in writing, software</span> |
| <span class="c1"># distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="c1"># WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="c1"># See the License for the specific language governing permissions and</span> |
| <span class="c1"># limitations under the License.</span> |
| <span class="c1">#</span> |
| |
| <span class="sd">"""</span> |
| <span class="sd">DirectRunner implementation of MetricResults. It is in charge not only of</span> |
| <span class="sd">responding to queries of current metrics, but also of keeping the common</span> |
| <span class="sd">state consistent.</span> |
| <span class="sd">"""</span> |
| <span class="c1"># pytype: skip-file</span> |
| |
| <span class="kn">import</span> <span class="nn">threading</span> |
| <span class="kn">from</span> <span class="nn">collections</span> <span class="kn">import</span> <span class="n">defaultdict</span> |
| |
| <span class="kn">from</span> <span class="nn">apache_beam.metrics.cells</span> <span class="kn">import</span> <span class="n">CounterAggregator</span> |
| <span class="kn">from</span> <span class="nn">apache_beam.metrics.cells</span> <span class="kn">import</span> <span class="n">DistributionAggregator</span> |
| <span class="kn">from</span> <span class="nn">apache_beam.metrics.cells</span> <span class="kn">import</span> <span class="n">GaugeAggregator</span> |
| <span class="kn">from</span> <span class="nn">apache_beam.metrics.execution</span> <span class="kn">import</span> <span class="n">MetricKey</span> |
| <span class="kn">from</span> <span class="nn">apache_beam.metrics.execution</span> <span class="kn">import</span> <span class="n">MetricResult</span> |
| <span class="kn">from</span> <span class="nn">apache_beam.metrics.metric</span> <span class="kn">import</span> <span class="n">MetricResults</span> |
| |
| |
| <div class="viewcode-block" id="DirectMetrics"><a class="viewcode-back" href="../../../../apache_beam.runners.direct.direct_metrics.html#apache_beam.runners.direct.direct_metrics.DirectMetrics">[docs]</a><span class="k">class</span> <span class="nc">DirectMetrics</span><span class="p">(</span><span class="n">MetricResults</span><span class="p">):</span> |
| <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_counters</span> <span class="o">=</span> <span class="n">defaultdict</span><span class="p">(</span><span class="k">lambda</span><span class="p">:</span> <span class="n">DirectMetric</span><span class="p">(</span><span class="n">CounterAggregator</span><span class="p">()))</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_distributions</span> <span class="o">=</span> <span class="n">defaultdict</span><span class="p">(</span> |
| <span class="k">lambda</span><span class="p">:</span> <span class="n">DirectMetric</span><span class="p">(</span><span class="n">DistributionAggregator</span><span class="p">()))</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_gauges</span> <span class="o">=</span> <span class="n">defaultdict</span><span class="p">(</span><span class="k">lambda</span><span class="p">:</span> <span class="n">DirectMetric</span><span class="p">(</span><span class="n">GaugeAggregator</span><span class="p">()))</span> |
| |
| <span class="k">def</span> <span class="nf">_apply_operation</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bundle</span><span class="p">,</span> <span class="n">updates</span><span class="p">,</span> <span class="n">op</span><span class="p">):</span> |
| <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">updates</span><span class="o">.</span><span class="n">counters</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> |
| <span class="n">op</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_counters</span><span class="p">[</span><span class="n">k</span><span class="p">],</span> <span class="n">bundle</span><span class="p">,</span> <span class="n">v</span><span class="p">)</span> |
| |
| <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">updates</span><span class="o">.</span><span class="n">distributions</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> |
| <span class="n">op</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_distributions</span><span class="p">[</span><span class="n">k</span><span class="p">],</span> <span class="n">bundle</span><span class="p">,</span> <span class="n">v</span><span class="p">)</span> |
| |
| <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">updates</span><span class="o">.</span><span class="n">gauges</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> |
| <span class="n">op</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_gauges</span><span class="p">[</span><span class="n">k</span><span class="p">],</span> <span class="n">bundle</span><span class="p">,</span> <span class="n">v</span><span class="p">)</span> |
| |
| <div class="viewcode-block" id="DirectMetrics.commit_logical"><a class="viewcode-back" href="../../../../apache_beam.runners.direct.direct_metrics.html#apache_beam.runners.direct.direct_metrics.DirectMetrics.commit_logical">[docs]</a> <span class="k">def</span> <span class="nf">commit_logical</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bundle</span><span class="p">,</span> <span class="n">updates</span><span class="p">):</span> |
| <span class="n">op</span> <span class="o">=</span> <span class="k">lambda</span> <span class="n">obj</span><span class="p">,</span> <span class="n">bundle</span><span class="p">,</span> <span class="n">update</span><span class="p">:</span> <span class="n">obj</span><span class="o">.</span><span class="n">commit_logical</span><span class="p">(</span><span class="n">bundle</span><span class="p">,</span> <span class="n">update</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_apply_operation</span><span class="p">(</span><span class="n">bundle</span><span class="p">,</span> <span class="n">updates</span><span class="p">,</span> <span class="n">op</span><span class="p">)</span></div> |
| |
| <div class="viewcode-block" id="DirectMetrics.commit_physical"><a class="viewcode-back" href="../../../../apache_beam.runners.direct.direct_metrics.html#apache_beam.runners.direct.direct_metrics.DirectMetrics.commit_physical">[docs]</a> <span class="k">def</span> <span class="nf">commit_physical</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bundle</span><span class="p">,</span> <span class="n">updates</span><span class="p">):</span> |
| <span class="n">op</span> <span class="o">=</span> <span class="k">lambda</span> <span class="n">obj</span><span class="p">,</span> <span class="n">bundle</span><span class="p">,</span> <span class="n">update</span><span class="p">:</span> <span class="n">obj</span><span class="o">.</span><span class="n">commit_physical</span><span class="p">(</span><span class="n">bundle</span><span class="p">,</span> <span class="n">update</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_apply_operation</span><span class="p">(</span><span class="n">bundle</span><span class="p">,</span> <span class="n">updates</span><span class="p">,</span> <span class="n">op</span><span class="p">)</span></div> |
| |
| <div class="viewcode-block" id="DirectMetrics.update_physical"><a class="viewcode-back" href="../../../../apache_beam.runners.direct.direct_metrics.html#apache_beam.runners.direct.direct_metrics.DirectMetrics.update_physical">[docs]</a> <span class="k">def</span> <span class="nf">update_physical</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bundle</span><span class="p">,</span> <span class="n">updates</span><span class="p">):</span> |
| <span class="n">op</span> <span class="o">=</span> <span class="k">lambda</span> <span class="n">obj</span><span class="p">,</span> <span class="n">bundle</span><span class="p">,</span> <span class="n">update</span><span class="p">:</span> <span class="n">obj</span><span class="o">.</span><span class="n">update_physical</span><span class="p">(</span><span class="n">bundle</span><span class="p">,</span> <span class="n">update</span><span class="p">)</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_apply_operation</span><span class="p">(</span><span class="n">bundle</span><span class="p">,</span> <span class="n">updates</span><span class="p">,</span> <span class="n">op</span><span class="p">)</span></div> |
| |
| <div class="viewcode-block" id="DirectMetrics.query"><a class="viewcode-back" href="../../../../apache_beam.runners.direct.direct_metrics.html#apache_beam.runners.direct.direct_metrics.DirectMetrics.query">[docs]</a> <span class="k">def</span> <span class="nf">query</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="nb">filter</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span> |
| <span class="n">counters</span> <span class="o">=</span> <span class="p">[</span> |
| <span class="n">MetricResult</span><span class="p">(</span> |
| <span class="n">MetricKey</span><span class="p">(</span><span class="n">k</span><span class="o">.</span><span class="n">step</span><span class="p">,</span> <span class="n">k</span><span class="o">.</span><span class="n">metric</span><span class="p">),</span> |
| <span class="n">v</span><span class="o">.</span><span class="n">extract_committed</span><span class="p">(),</span> |
| <span class="n">v</span><span class="o">.</span><span class="n">extract_latest_attempted</span><span class="p">())</span> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> |
| <span class="n">v</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_counters</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">matches</span><span class="p">(</span><span class="nb">filter</span><span class="p">,</span> <span class="n">k</span><span class="p">)</span> |
| <span class="p">]</span> |
| <span class="n">distributions</span> <span class="o">=</span> <span class="p">[</span> |
| <span class="n">MetricResult</span><span class="p">(</span> |
| <span class="n">MetricKey</span><span class="p">(</span><span class="n">k</span><span class="o">.</span><span class="n">step</span><span class="p">,</span> <span class="n">k</span><span class="o">.</span><span class="n">metric</span><span class="p">),</span> |
| <span class="n">v</span><span class="o">.</span><span class="n">extract_committed</span><span class="p">(),</span> |
| <span class="n">v</span><span class="o">.</span><span class="n">extract_latest_attempted</span><span class="p">())</span> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> |
| <span class="n">v</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_distributions</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">matches</span><span class="p">(</span><span class="nb">filter</span><span class="p">,</span> <span class="n">k</span><span class="p">)</span> |
| <span class="p">]</span> |
| <span class="n">gauges</span> <span class="o">=</span> <span class="p">[</span> |
| <span class="n">MetricResult</span><span class="p">(</span> |
| <span class="n">MetricKey</span><span class="p">(</span><span class="n">k</span><span class="o">.</span><span class="n">step</span><span class="p">,</span> <span class="n">k</span><span class="o">.</span><span class="n">metric</span><span class="p">),</span> |
| <span class="n">v</span><span class="o">.</span><span class="n">extract_committed</span><span class="p">(),</span> |
| <span class="n">v</span><span class="o">.</span><span class="n">extract_latest_attempted</span><span class="p">())</span> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> |
| <span class="n">v</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_gauges</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">matches</span><span class="p">(</span><span class="nb">filter</span><span class="p">,</span> <span class="n">k</span><span class="p">)</span> |
| <span class="p">]</span> |
| |
| <span class="k">return</span> <span class="p">{</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">COUNTERS</span><span class="p">:</span> <span class="n">counters</span><span class="p">,</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">DISTRIBUTIONS</span><span class="p">:</span> <span class="n">distributions</span><span class="p">,</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">GAUGES</span><span class="p">:</span> <span class="n">gauges</span> |
| <span class="p">}</span></div></div> |
| |
| |
| <div class="viewcode-block" id="DirectMetric"><a class="viewcode-back" href="../../../../apache_beam.runners.direct.direct_metrics.html#apache_beam.runners.direct.direct_metrics.DirectMetric">[docs]</a><span class="k">class</span> <span class="nc">DirectMetric</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span> |
| <span class="w"> </span><span class="sd">""" Keeps a consistent state for a single metric.</span> |
| |
| <span class="sd"> It keeps track of the metric's physical and logical updates.</span> |
| <span class="sd"> It's thread safe.</span> |
| <span class="sd"> """</span> |
| <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">aggregator</span><span class="p">):</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">aggregator</span> <span class="o">=</span> <span class="n">aggregator</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_attempted_lock</span> <span class="o">=</span> <span class="n">threading</span><span class="o">.</span><span class="n">Lock</span><span class="p">()</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">finished_attempted</span> <span class="o">=</span> <span class="n">aggregator</span><span class="o">.</span><span class="n">identity_element</span><span class="p">()</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">inflight_attempted</span> <span class="o">=</span> <span class="p">{}</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">_committed_lock</span> <span class="o">=</span> <span class="n">threading</span><span class="o">.</span><span class="n">Lock</span><span class="p">()</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">finished_committed</span> <span class="o">=</span> <span class="n">aggregator</span><span class="o">.</span><span class="n">identity_element</span><span class="p">()</span> |
| |
| <div class="viewcode-block" id="DirectMetric.commit_logical"><a class="viewcode-back" href="../../../../apache_beam.runners.direct.direct_metrics.html#apache_beam.runners.direct.direct_metrics.DirectMetric.commit_logical">[docs]</a> <span class="k">def</span> <span class="nf">commit_logical</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bundle</span><span class="p">,</span> <span class="n">update</span><span class="p">):</span> |
| <span class="k">with</span> <span class="bp">self</span><span class="o">.</span><span class="n">_committed_lock</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">finished_committed</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">aggregator</span><span class="o">.</span><span class="n">combine</span><span class="p">(</span> |
| <span class="n">update</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">finished_committed</span><span class="p">)</span></div> |
| |
| <div class="viewcode-block" id="DirectMetric.commit_physical"><a class="viewcode-back" href="../../../../apache_beam.runners.direct.direct_metrics.html#apache_beam.runners.direct.direct_metrics.DirectMetric.commit_physical">[docs]</a> <span class="k">def</span> <span class="nf">commit_physical</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bundle</span><span class="p">,</span> <span class="n">update</span><span class="p">):</span> |
| <span class="k">with</span> <span class="bp">self</span><span class="o">.</span><span class="n">_attempted_lock</span><span class="p">:</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">inflight_attempted</span><span class="p">[</span><span class="n">bundle</span><span class="p">]</span> <span class="o">=</span> <span class="n">update</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">finished_attempted</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">aggregator</span><span class="o">.</span><span class="n">combine</span><span class="p">(</span> |
| <span class="n">update</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">finished_attempted</span><span class="p">)</span> |
| <span class="k">del</span> <span class="bp">self</span><span class="o">.</span><span class="n">inflight_attempted</span><span class="p">[</span><span class="n">bundle</span><span class="p">]</span></div> |
| |
| <div class="viewcode-block" id="DirectMetric.update_physical"><a class="viewcode-back" href="../../../../apache_beam.runners.direct.direct_metrics.html#apache_beam.runners.direct.direct_metrics.DirectMetric.update_physical">[docs]</a> <span class="k">def</span> <span class="nf">update_physical</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bundle</span><span class="p">,</span> <span class="n">update</span><span class="p">):</span> |
| <span class="bp">self</span><span class="o">.</span><span class="n">inflight_attempted</span><span class="p">[</span><span class="n">bundle</span><span class="p">]</span> <span class="o">=</span> <span class="n">update</span></div> |
| |
| <div class="viewcode-block" id="DirectMetric.extract_committed"><a class="viewcode-back" href="../../../../apache_beam.runners.direct.direct_metrics.html#apache_beam.runners.direct.direct_metrics.DirectMetric.extract_committed">[docs]</a> <span class="k">def</span> <span class="nf">extract_committed</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">aggregator</span><span class="o">.</span><span class="n">result</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">finished_committed</span><span class="p">)</span></div> |
| |
| <div class="viewcode-block" id="DirectMetric.extract_latest_attempted"><a class="viewcode-back" href="../../../../apache_beam.runners.direct.direct_metrics.html#apache_beam.runners.direct.direct_metrics.DirectMetric.extract_latest_attempted">[docs]</a> <span class="k">def</span> <span class="nf">extract_latest_attempted</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> |
| <span class="n">res</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">finished_attempted</span> |
| <span class="k">for</span> <span class="n">_</span><span class="p">,</span> <span class="n">u</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">inflight_attempted</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> |
| <span class="n">res</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">aggregator</span><span class="o">.</span><span class="n">combine</span><span class="p">(</span><span class="n">res</span><span class="p">,</span> <span class="n">u</span><span class="p">)</span> |
| |
| <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">aggregator</span><span class="o">.</span><span class="n">result</span><span class="p">(</span><span class="n">res</span><span class="p">)</span></div></div> |
| </pre></div> |
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