You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@flink.apache.org by GJL <gi...@git.apache.org> on 2018/02/07 11:34:09 UTC
[GitHub] flink pull request #5422: [FLINK-8575][runtime] BackPressureStatsTrackerITCa...
GitHub user GJL opened a pull request:
https://github.com/apache/flink/pull/5422
[FLINK-8575][runtime] BackPressureStatsTrackerITCase unstable
## What is the purpose of the change
*This fixes BackPressureStatsTrackerITCase unstability.*
## Brief change log
- *Add missing synchronization in BackPressureStatsTracker. Operations in method getOperatorBackPressureStats must appear atomic otherwise the stack trace can be sampled multiple times.*
## Verifying this change
This change is already covered by existing tests, such as *BackPressureStatsTrackerITCase*.
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (yes / **no**)
- The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes / **no**)
- The serializers: (yes / **no** / don't know)
- The runtime per-record code paths (performance sensitive): (yes / **no** / don't know)
- Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes / **no** / don't know)
- The S3 file system connector: (yes / **no** / don't know)
## Documentation
- Does this pull request introduce a new feature? (yes / **no**)
- If yes, how is the feature documented? (**not applicable** / docs / JavaDocs / not documented)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/GJL/flink FLINK-8575
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/5422.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #5422
----
commit 8c2b005b90631f7dd818a5d8a06400d5cebc83d7
Author: gyao <ga...@...>
Date: 2018-02-07T11:25:35Z
[FLINK-8575][runtime] Add missing synchronization in BackPressureStatsTracker
Operations in method getOperatorBackPressureStats must appear atomic otherwise
the stack trace can be sampled multiple times.
----
---
[GitHub] flink pull request #5422: [FLINK-8575][runtime] BackPressureStatsTrackerITCa...
Posted by asfgit <gi...@git.apache.org>.
Github user asfgit closed the pull request at:
https://github.com/apache/flink/pull/5422
---