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https://issues.apache.org/jira/browse/HDDS-1604?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16850295#comment-16850295
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Hudson commented on HDDS-1604:
------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #16619 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/16619/])
HDDS-1604. ContainerReader#initializeUsedBytes leaks DB reference. Co… (github: 
rev 7f2e87a419cf87d1b1aa2b3b56f0f23504baa110)
* (edit) 
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/keyvalue/KeyValueContainerCheck.java
* (edit) 
hadoop-hdds/container-service/src/test/java/org/apache/hadoop/ozone/container/keyvalue/TestKeyValueContainer.java
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hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/keyvalue/statemachine/background/BlockDeletingService.java
* (edit) 
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/keyvalue/helpers/KeyValueContainerUtil.java
* (edit) 
hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/container/common/statemachine/commandhandler/TestBlockDeletion.java
* (edit) 
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/keyvalue/helpers/BlockUtils.java
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hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/keyvalue/KeyValueContainer.java
* (edit) 
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/ozoneimpl/ContainerReader.java
* (edit) 
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/statemachine/commandhandler/DeleteBlocksCommandHandler.java
* (add) 
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/utils/ReferenceCountedDB.java
* (edit) 
hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/container/common/impl/TestContainerPersistence.java
* (edit) 
hadoop-hdds/container-service/src/test/java/org/apache/hadoop/ozone/container/keyvalue/TestKeyValueContainerCheck.java
* (edit) 
hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/TestStorageContainerManagerHelper.java
* (edit) 
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/keyvalue/impl/BlockManagerImpl.java
* (edit) 
hadoop-hdds/container-service/src/test/java/org/apache/hadoop/ozone/container/ozoneimpl/TestOzoneContainer.java
* (edit) 
hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/container/common/TestBlockDeletingService.java
* (edit) 
hadoop-hdds/container-service/src/test/java/org/apache/hadoop/ozone/container/keyvalue/TestKeyValueBlockIterator.java
* (edit) 
hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/container/common/statemachine/commandhandler/TestCloseContainerByPipeline.java
* (edit) 
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/utils/ContainerCache.java
* (edit) 
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/keyvalue/KeyValueBlockIterator.java


> ContainerReader#initializeUsedBytes leaks DB reference
> ------------------------------------------------------
>
>                 Key: HDDS-1604
>                 URL: https://issues.apache.org/jira/browse/HDDS-1604
>             Project: Hadoop Distributed Data Store
>          Issue Type: Bug
>            Reporter: Xiaoyu Yao
>            Assignee: Xiaoyu Yao
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.4.1
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> This was caught by the New ContainerCache with reference counting from 
> HDDS-1449. The root cause is an unclosed KeyValueBlockIterator from 
> ContainerReader#initializeUsedBytes.
> I will post a patch shortly, which will fix some UT failures exposed by 
> -HDDS-1449,- such as TestBCSID#testBCSID, etc.



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