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https://issues.apache.org/jira/browse/HDDS-13023?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gargi Jaiswal updated HDDS-13023:
---------------------------------
Parent: (was: HDDS-5713)
Issue Type: Bug (was: Sub-task)
> [DiskBalancer] Fix DiskBalancer failure due to checksum mismatch during
> container import
> ----------------------------------------------------------------------------------------
>
> Key: HDDS-13023
> URL: https://issues.apache.org/jira/browse/HDDS-13023
> Project: Apache Ozone
> Issue Type: Bug
> Reporter: Gargi Jaiswal
> Assignee: Gargi Jaiswal
> Priority: Major
>
> After the changes introduced in
> [PR#7934|https://github.com/apache/ozone/pull/7934], DiskBalancer is failing
> to move containers due to a checksum mismatch error during container import.
> The root cause is a regression introduced in the
> *{{KeyValueContainer#importContainerData}}* method. The method was modified
> to call *{{KeyValueContainerUtil.parseKVContainerData(...)}} before* setting
> the container state and metadata (which includes the expected checksum).
> Since the checksum is not yet populated in {{containerData}} at the time of
> parsing, the call to {{ContainerUtils.verifyChecksum(...)}} inside
> {{parseKVContainerData}} fails with the following error:
> {code:java}
> 2025-04-10 15:58:41 2025-04-10 10:28:41,115 [DiskBalancerService#0] WARN
> diskbalancer.DiskBalancerService: Failed to move container
> KeyValueContainerData #8 (CLOSED, non-empty, ri=0,
> origin=[dn_b916c228-6ce7-4f89-8de3-b29b1d967af1,
> pipeline_efeea169-e8f7-43fb-9003-270fa058adb2]): {}
> 2025-04-10 15:58:41
> org.apache.hadoop.hdds.scm.container.common.helpers.StorageContainerException:
> Container checksum error for ContainerID: 8. 2025-04-10 15:58:41 Stored
> Checksum: 2025-04-10 15:58:41 Expected Checksum:
> 7a0ec671d9f43c8d6dd303961776f383ce767bfa2e365de7119d1c6c7d2c1359
> 2025-04-10 15:58:41 at
> org.apache.hadoop.ozone.container.common.helpers.ContainerUtils.verifyChecksum(ContainerUtils.java:214)
> 2025-04-10 15:58:41 at
> org.apache.hadoop.ozone.container.keyvalue.helpers.KeyValueContainerUtil.parseKVContainerData(KeyValueContainerUtil.java:210)
> 2025-04-10 15:58:41 at
> org.apache.hadoop.ozone.container.keyvalue.KeyValueContainer.importContainerData(KeyValueContainer.java:683)
> 2025-04-10 15:58:41 at
> org.apache.hadoop.ozone.container.keyvalue.KeyValueContainer.importContainerData(KeyValueContainer.java:708)
> {code}
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