[ISSUE #2732] Fix message loss problem when rebalance with LitePullConsumer #2832
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RongtongJin
approved these changes
Apr 23, 2021
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Is the range of this lock a bit large? If a consumer allocates more queues, will many pull tasks get stuck in updatePullOffset? |
RongtongJin
reviewed
Apr 23, 2021
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| public void updatePullOffset(MessageQueue messageQueue, long offset) { | ||
| public void updatePullOffset(MessageQueue messageQueue, long offset, ProcessQueue processQueue) { | ||
| MessageQueueState messageQueueState = assignedMessageQueueState.get(messageQueue); |
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If return null here, it may report to NPE.
Comment on lines
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| synchronized (this.assignedMessageQueueState) { | ||
| if (messageQueueState.getProcessQueue() != processQueue) { | ||
| return; | ||
| } | ||
| if (messageQueueState != null) { | ||
| messageQueueState.setPullOffset(offset); | ||
| } | ||
| } |
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Synchronized here seems to be unnecessary
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it seems putting the synchronized before assignedMessageQueueState.get will be better.
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It seems the synchronized lock can be removed.
I have update this branch.
Codecov Report
@@ Coverage Diff @@
## develop #2832 +/- ##
=============================================
+ Coverage 46.52% 46.59% +0.06%
- Complexity 3426 3427 +1
=============================================
Files 307 307
Lines 29059 29065 +6
Branches 4172 4175 +3
=============================================
+ Hits 13520 13543 +23
+ Misses 13697 13674 -23
- Partials 1842 1848 +6 Continue to review full report at Codecov.
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vongosling
approved these changes
Apr 26, 2021
RongtongJin
approved these changes
Apr 27, 2021
vongosling
added a commit
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May 19, 2021
* [ISSUE #1233] Fix CVE-2011-1473 * fix Multiple instances in the same application share MQClientInstance * [ISSUE #2748] Fix deleteSubscriptionGroup not remove consumer offset * [ISSUE #2745] Changed the support time of the request/reply feature to 4.6.0. Co-authored-by: von gosling <[email protected]> * [ISSUE #2729] Replace with Math.min method call * [ISSUE #2801]Fix NamesrvAddr connot set in Producer * [ISSUE 2800] optimize: the spelling of topicSynFlag Co-authored-by: ph3636 <[email protected]> * [ISSUE #2803] Fix the endpoint cannot get instanceId without http (#2804) * fix the endpoint cannot get instanceId without http * fix the endpoint cannot get instanceId without http * add unit test * add unit test * add unit test Co-authored-by: panzhi33 <[email protected]> * fix messageArrivingListener NPE * [ISSUE #2538]Optimize log output when message trace saving fails * [ISSUE #2811] Fix the wrong topic was consumed in the DefaultMessageStoreTest test program * [ISSUE #2821] Overriding the ServiceThread#shutdown in HAClient class * [ISSUE #2805] remove redundant package imports * [ISSUE #2833] Support trace for TranscationProducer (#2834) * [ISSUE #2732] Fix message loss problem when rebalance with LitePullConsumer (#2832) * [ISSUE #2732] Fix message loss problem when rebalance with LitePullConsumer * Fix message loss problem when rebalance with LitePullConsumer, update 2 * [ISSUE #2846]fix -E might not port to other systems * fix some nonconformity after checkstyle * Support OpenTracing(#2861) * [ISSUE #2872] remove log files created by integration test when mvn clean * [ISSUE #2872] move log files created by integration test to target dir * Change log level to debug: "Half offset {} has been committed/rolled back" * Fix unit test stability Bump mockito-core to 3.10.0, remove powermock dependency, suppress useless logging * [ISSUE #2898] Resolve rocketmq-example project failed during checkstyle execution (#2899) Co-authored-by: SSpirits <[email protected]> Co-authored-by: panzhi33 <[email protected]> Co-authored-by: panzhi <[email protected]> Co-authored-by: ArronHuang <[email protected]> Co-authored-by: von gosling <[email protected]> Co-authored-by: drgnchan <[email protected]> Co-authored-by: zhangjidi2016 <[email protected]> Co-authored-by: ph3636 <[email protected]> Co-authored-by: ph3636 <[email protected]> Co-authored-by: BurningCN <[email protected]> Co-authored-by: francis lee <[email protected]> Co-authored-by: 灼华 <[email protected]> Co-authored-by: yuz10 <[email protected]> Co-authored-by: huangli <[email protected]> Co-authored-by: chenrl <[email protected]> Co-authored-by: ayanamist <[email protected]> Co-authored-by: zhangjidi2016 <[email protected]>
GenerousMan
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Aug 12, 2022
…PullConsumer (apache#2832) * [ISSUE apache#2732] Fix message loss problem when rebalance with LitePullConsumer * Fix message loss problem when rebalance with LitePullConsumer, update 2
pulllock
pushed a commit
to pulllock/rocketmq
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Oct 19, 2023
…PullConsumer (apache#2832) * [ISSUE apache#2732] Fix message loss problem when rebalance with LitePullConsumer * Fix message loss problem when rebalance with LitePullConsumer, update 2
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Make sure set the target branch to
developWhat is the purpose of the change
see issue #2732
this commit will help reproduce the bug : areyouok@a54599e
Brief changelog
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Follow this checklist to help us incorporate your contribution quickly and easily. Notice,
it would be helpful if you could finish the following 5 checklist(the last one is not necessary)before request the community to review your PR.[ISSUE #123] Fix UnknownException when host config not exist. Each commit in the pull request should have a meaningful subject line and body.mvn -B clean apache-rat:check findbugs:findbugs checkstyle:checkstyleto make sure basic checks pass. Runmvn clean install -DskipITsto make sure unit-test pass. Runmvn clean test-compile failsafe:integration-testto make sure integration-test pass.