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Posted to commits@pulsar.apache.org by "dlg99 (via GitHub)" <gi...@apache.org> on 2024/08/26 18:03:12 UTC

[PR] [fix] StatsOutputStream: add string write function (#308) [pulsar]

dlg99 opened a new pull request, #23227:
URL: https://github.com/apache/pulsar/pull/23227

   ### Motivation
   
   On a specific environment /metrics end point timed out consistently, logs contained the exception below.
   Applied fix has resolved the issue. 
   
   The fix does not make much sense as String implements CharSequence, so I suspect we hit some weird issue with JIT or jvm.
   The JDK is Timurin build 17.0.12+7, I could not repro this locally but it consistently happened in the env.
   
   ```
   2024-08-23T20:40:42,618+0000 [pulsar-stats-updater-OrderedScheduler-0-0] WARN  org.apache.bookkeeper.common.util.SingleThreadSafeScheduledExecutorService - Unexpected throwable from task class com.google.common.util.concurrent.MoreExecutors$ScheduledListeningDecorator$NeverSuccessfulListenableFutureTask: 'org.apache.pulsar.common.util.SimpleTextOutputStream org.apache.pulsar.common.util.SimpleTextOutputStream.write(java.lang.String)'
   java.lang.NoSuchMethodError: 'org.apache.pulsar.common.util.SimpleTextOutputStream org.apache.pulsar.common.util.SimpleTextOutputStream.write(java.lang.String)'
           at org.apache.pulsar.utils.StatsOutputStream.startObject(StatsOutputStream.java:41) ~[com.datastax.oss-pulsar-broker-3.1.3.1.jar:3.1.3.1]
           at org.apache.pulsar.broker.service.PulsarStats.lambda$updateStats$4(PulsarStats.java:126) ~[com.datastax.oss-pulsar-broker-3.1.3.1.jar:3.1.3.1]
           at org.apache.pulsar.common.util.collections.ConcurrentOpenHashMap$Section.forEach(ConcurrentOpenHashMap.java:563) ~[com.datastax.oss-pulsar-common-3.1.3.1.jar:3.1.3.1]
           at org.apache.pulsar.common.util.collections.ConcurrentOpenHashMap.forEach(ConcurrentOpenHashMap.java:277) ~[com.datastax.oss-pulsar-common-3.1.3.1.jar:3.1.3.1]
           at org.apache.pulsar.broker.service.PulsarStats.updateStats(PulsarStats.java:120) ~[com.datastax.oss-pulsar-broker-3.1.3.1.jar:3.1.3.1]
           at org.apache.pulsar.broker.service.BrokerService.updateRates(BrokerService.java:2065) ~[com.datastax.oss-pulsar-broker-3.1.3.1.jar:3.1.3.1]
           at com.google.common.util.concurrent.MoreExecutors$ScheduledListeningDecorator$NeverSuccessfulListenableFutureTask.run(MoreExecutors.java:741) ~[com.google.guava-guava-32.1.1-jre.jar:?]
           at org.apache.bookkeeper.common.util.SingleThreadSafeScheduledExecutorService$SafeRunnable.run(SingleThreadSafeScheduledExecutorService.java:46) ~[org.apache.bookkeeper-bookkeeper-common-4.16.4.jar:4.16.4]
           at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539) ~[?:?]
           at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305) ~[?:?]
           at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305) ~[?:?]
           at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) ~[?:?]
           at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[?:?]
           at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[io.netty-netty-common-4.1.108.Final.jar:4.1.108.Final]
           at java.lang.Thread.run(Thread.java:840) ~[?:?]
   ```
   
   ### Modifications
   
   Added method that takes String parameter explicitly.
   Such method existed up until the change https://github.com/apache/pulsar/pull/22494
   
   ### Verifying this change
   
   - [ ] Make sure that the change passes the CI checks.
   
   Verified in the env where the problem reproduces
   
   ### Does this pull request potentially affect one of the following parts:
   
   **NO**
   
   <!-- DO NOT REMOVE THIS SECTION. CHECK THE PROPER BOX ONLY. -->
   
   *If the box was checked, please highlight the changes*
   
   - [ ] Dependencies (add or upgrade a dependency)
   - [ ] The public API
   - [ ] The schema
   - [ ] The default values of configurations
   - [ ] The threading model
   - [ ] The binary protocol
   - [ ] The REST endpoints
   - [ ] The admin CLI options
   - [ ] The metrics
   - [ ] Anything that affects deployment
   
   ### Documentation
   
   <!-- DO NOT REMOVE THIS SECTION. CHECK THE PROPER BOX ONLY. -->
   
   - [ ] `doc` <!-- Your PR contains doc changes. -->
   - [ ] `doc-required` <!-- Your PR changes impact docs and you will update later -->
   - [x] `doc-not-needed` <!-- Your PR changes do not impact docs -->
   - [ ] `doc-complete` <!-- Docs have been already added -->
   
   ### Matching PR in forked repository
   
   PR in forked repository: https://github.com/datastax/pulsar/pull/308
   
   <!--
   After opening this PR, the build in apache/pulsar will fail and instructions will
   be provided for opening a PR in the PR author's forked repository.
   
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Re: [PR] [fix] StatsOutputStream: add string write function (#308) [pulsar]

Posted by "codecov-commenter (via GitHub)" <gi...@apache.org>.
codecov-commenter commented on PR #23227:
URL: https://github.com/apache/pulsar/pull/23227#issuecomment-2310911844

   ## [Codecov](https://app.codecov.io/gh/apache/pulsar/pull/23227?dropdown=coverage&src=pr&el=h1&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache) Report
   All modified and coverable lines are covered by tests :white_check_mark:
   > Project coverage is 74.52%. Comparing base [(`bbc6224`)](https://app.codecov.io/gh/apache/pulsar/commit/bbc62245c5ddba1de4b1e7cee4ab49334bc36277?dropdown=coverage&el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache) to head [(`a6e1075`)](https://app.codecov.io/gh/apache/pulsar/commit/a6e107549e102755fbd2c3e875a41613443fdbd1?dropdown=coverage&el=desc&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache).
   > Report is 545 commits behind head on master.
   
   <details><summary>Additional details and impacted files</summary>
   
   
   [![Impacted file tree graph](https://app.codecov.io/gh/apache/pulsar/pull/23227/graphs/tree.svg?width=650&height=150&src=pr&token=acYqCpsK9J&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache)](https://app.codecov.io/gh/apache/pulsar/pull/23227?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache)
   
   ```diff
   @@             Coverage Diff              @@
   ##             master   #23227      +/-   ##
   ============================================
   + Coverage     73.57%   74.52%   +0.95%     
   - Complexity    32624    34225    +1601     
   ============================================
     Files          1877     1922      +45     
     Lines        139502   144758    +5256     
     Branches      15299    15832     +533     
   ============================================
   + Hits         102638   107884    +5246     
   + Misses        28908    28608     -300     
   - Partials       7956     8266     +310     
   ```
   
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   </details>


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Re: [PR] [fix] StatsOutputStream: add string write function (#308) [pulsar]

Posted by "lhotari (via GitHub)" <gi...@apache.org>.
lhotari merged PR #23227:
URL: https://github.com/apache/pulsar/pull/23227


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