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https://issues.apache.org/jira/browse/HDFS-10769?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rakesh R updated HDFS-10769:
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Attachment: HDFS-10769-002.patch
> BlockIdManager.clear doesn't reset the counter for blockGroupIdGenerator
> ------------------------------------------------------------------------
>
> Key: HDFS-10769
> URL: https://issues.apache.org/jira/browse/HDFS-10769
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs
> Affects Versions: 3.0.0-alpha1, 3.0.0-beta1
> Reporter: Ewan Higgs
> Assignee: Yiqun Lin
> Priority: Minor
> Labels: newbie
> Attachments: HDFS-10769-002.patch, HDFS-10769.001.patch
>
>
> BlockIdManager.clear resets the block id generator for contiguous blocks but
> not for striped blocks:
> {code}
> void clear() {
>
> legacyGenerationStamp.setCurrentValue(GenerationStamp.LAST_RESERVED_STAMP);
> generationStamp.setCurrentValue(GenerationStamp.LAST_RESERVED_STAMP);
> getBlockIdGenerator().setCurrentValue(SequentialBlockIdGenerator
> .LAST_RESERVED_BLOCK_ID);
> legacyGenerationStampLimit = HdfsConstants.GRANDFATHER_GENERATION_STAMP;
> }
> {code}
> This should have:
> {code}
> getBlockGroupIdGenerator().setCurrentValue(Long.MIN_VALUE);
> {code}
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