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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2021/12/13 12:51:00 UTC

[GitHub] [beam] scwhittle opened a new pull request #16207: Memoize some objects for timer processing to reduce overhead.

scwhittle opened a new pull request #16207:
URL: https://github.com/apache/beam/pull/16207


   About 1% total of cpu on google internal benchmark, .8% for allowedLateness
   
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   `ValidatesRunner` compliance status (on master branch)
   --------------------------------------------------------
   
   <table>
     <thead>
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         <th>Lang</th>
         <th>ULR</th>
         <th>Dataflow</th>
         <th>Flink</th>
         <th>Samza</th>
         <th>Spark</th>
         <th>Twister2</th>
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         <td>Go</td>
         <td>---</td>
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           <a href="https://ci-beam.apache.org/job/beam_PostCommit_Go/lastCompletedBuild/">
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         <td>---</td>
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         <td>---</td>
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         <td>---</td>
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         <td>---</td>
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   Examples testing status on various runners
   --------------------------------------------------------
   
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         <th>Lang</th>
         <th>ULR</th>
         <th>Dataflow</th>
         <th>Flink</th>
         <th>Samza</th>
         <th>Spark</th>
         <th>Twister2</th>
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         <td>Go</td>
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         <td>---</td>
         <td>---</td>
         <td>---</td>
         <td>---</td>
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         <td>---</td>
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         <td>Java</td>
         <td>---</td>
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         </td>
         <td>---</td>
         <td>---</td>
         <td>---</td>
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         <td>---</td>
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         <td>Python</td>
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         <td>---</td>
         <td>---</td>
         <td>---</td>
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         <td>---</td>
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         <td>XLang</td>
         <td>---</td>
         <td>---</td>
         <td>---</td>
         <td>---</td>
         <td>---</td>
         <td>---</td>
         <td>---</td>
       </tr>
     </tbody>
   </table>
   
   Post-Commit SDK/Transform Integration Tests Status (on master branch)
   ------------------------------------------------------------------------------------------------
   
   <table>
     <thead>
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         <th>Go</th>
         <th>Java</th>
         <th>Python</th>
       </tr>
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         <td>
           <a href="https://ci-beam.apache.org/job/beam_PostCommit_Go/lastCompletedBuild/">
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   Pre-Commit Tests Status (on master branch)
   ------------------------------------------------------------------------------------------------
   
   <table>
     <thead>
       <tr>
         <th>---</th>
         <th>Java</th>
         <th>Python</th>
         <th>Go</th>
         <th>Website</th>
         <th>Whitespace</th>
         <th>Typescript</th>
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         <td>Portable</td>
         <td>---</td>
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         </td>
         <td>---</td>
         <td>---</td>
         <td>---</td>
       </tr>
     </tbody>
   </table>
   
   See [.test-infra/jenkins/README](https://github.com/apache/beam/blob/master/.test-infra/jenkins/README.md) for trigger phrase, status and link of all Jenkins jobs.
   
   
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[GitHub] [beam] lukecwik merged pull request #16207: Memoize some objects for timer processing to reduce overhead.

Posted by GitBox <gi...@apache.org>.
lukecwik merged pull request #16207:
URL: https://github.com/apache/beam/pull/16207


   


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[GitHub] [beam] scwhittle commented on pull request #16207: Memoize some objects for timer processing to reduce overhead.

Posted by GitBox <gi...@apache.org>.
scwhittle commented on pull request #16207:
URL: https://github.com/apache/beam/pull/16207#issuecomment-993630841


   Thanks for the benchmark suggestion. Since there isn't a huge rush, I'm going to try to add that before submitting this.


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[GitHub] [beam] scwhittle commented on pull request #16207: Memoize some objects for timer processing to reduce overhead.

Posted by GitBox <gi...@apache.org>.
scwhittle commented on pull request #16207:
URL: https://github.com/apache/beam/pull/16207#issuecomment-1038978565


   Didn't get around to adding a benchmark, but might as well get this in since it's going stale.


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[GitHub] [beam] lukecwik commented on a change in pull request #16207: Memoize some objects for timer processing to reduce overhead.

Posted by GitBox <gi...@apache.org>.
lukecwik commented on a change in pull request #16207:
URL: https://github.com/apache/beam/pull/16207#discussion_r768356592



##########
File path: sdks/java/harness/src/main/java/org/apache/beam/fn/harness/FnApiDoFnRunner.java
##########
@@ -735,11 +741,9 @@ private Object getCurrentKey() {
   }
 
   private void startBundle() {
+    timerBundleTracker.resetModifications();

Review comment:
       Register this with `PTransformRunnerFactory.Context#addResetFunction(...)` instead of resetting in `start Bundle`.




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[GitHub] [beam] github-actions[bot] commented on pull request #16207: Memoize some objects for timer processing to reduce overhead.

Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on pull request #16207:
URL: https://github.com/apache/beam/pull/16207#issuecomment-1038086034


   This pull request has been marked as stale due to 60 days of inactivity. It will be closed in 1 week if no further activity occurs. If you think that’s incorrect or this pull request requires a review, please simply write any comment. If closed, you can revive the PR at any time and @mention a reviewer or discuss it on the dev@beam.apache.org list. Thank you for your contributions.


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[GitHub] [beam] scwhittle commented on pull request #16207: Memoize some objects for timer processing to reduce overhead.

Posted by GitBox <gi...@apache.org>.
scwhittle commented on pull request #16207:
URL: https://github.com/apache/beam/pull/16207#issuecomment-992446313


   R: @lukecwik 


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[GitHub] [beam] github-actions[bot] commented on pull request #16207: Memoize some objects for timer processing to reduce overhead.

Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on pull request #16207:
URL: https://github.com/apache/beam/pull/16207#issuecomment-1038086034


   This pull request has been marked as stale due to 60 days of inactivity. It will be closed in 1 week if no further activity occurs. If you think that’s incorrect or this pull request requires a review, please simply write any comment. If closed, you can revive the PR at any time and @mention a reviewer or discuss it on the dev@beam.apache.org list. Thank you for your contributions.


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[GitHub] [beam] scwhittle commented on pull request #16207: Memoize some objects for timer processing to reduce overhead.

Posted by GitBox <gi...@apache.org>.
scwhittle commented on pull request #16207:
URL: https://github.com/apache/beam/pull/16207#issuecomment-1046999335


   @lukecwik friendly ping to merge


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[GitHub] [beam] lukecwik commented on a change in pull request #16207: Memoize some objects for timer processing to reduce overhead.

Posted by GitBox <gi...@apache.org>.
lukecwik commented on a change in pull request #16207:
URL: https://github.com/apache/beam/pull/16207#discussion_r767974645



##########
File path: sdks/java/harness/src/main/java/org/apache/beam/fn/harness/state/FnApiTimerBundleTracker.java
##########
@@ -153,6 +153,10 @@ public FnApiTimerBundleTracker(
             });
   }
 
+  public void resetModifications() {

Review comment:
       nit: resetModifications -> reset

##########
File path: runners/core-java/src/main/java/org/apache/beam/runners/core/metrics/SimpleStateRegistry.java
##########
@@ -64,12 +65,13 @@ public void reset() {
     for (SimpleExecutionState state : executionStates) {
       if (state.getTotalMillis() != 0) {
         String shortId = state.getTotalMillisShortId(shortIds);
-        if (result.containsKey(shortId)) {
-          // This can happen due to flatten unzipping.
-          result.put(shortId, state.mergeTotalMillisPayload(result.get(shortId)));
-        } else {
-          result.put(shortId, state.getTotalMillisPayload());
-        }
+        result.compute(shortId, (String k, @Nullable ByteString existing) -> {
+          if (existing != null) {
+            return state.mergeTotalMillisPayload(existing);

Review comment:
       ```suggestion
               // This can happen due to flatten unzipping.
               return state.mergeTotalMillisPayload(existing);
   ```




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