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https://issues.apache.org/jira/browse/HDFS-15362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Íñigo Goiri updated HDFS-15362:
-------------------------------
Fix Version/s: 3.4.0
Hadoop Flags: Reviewed
Resolution: Fixed
Status: Resolved (was: Patch Available)
> FileWithSnapshotFeature#updateQuotaAndCollectBlocks should collect all
> distinct blocks
> --------------------------------------------------------------------------------------
>
> Key: HDFS-15362
> URL: https://issues.apache.org/jira/browse/HDFS-15362
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: hemanthboyina
> Assignee: hemanthboyina
> Priority: Major
> Fix For: 3.4.0
>
> Attachments: HDFS-15362.001.patch, HDFS-15362.002.patch
>
>
> FileWithSnapshotFeature#updateQuotaAndCollectBlocks uses list to collect
> blocks
> {code:java}
> List<BlockInfo> allBlocks = new ArrayList<BlockInfo>();
> if (file.getBlocks() != null) {
> allBlocks.addAll(Arrays.asList(file.getBlocks()));
> }{code}
> INodeFile#storagespaceConsumedContiguous collects all distinct blocks by set
> {code:java}
> // Collect all distinct blocks
> Set<BlockInfo> allBlocks = new HashSet<>(Arrays.asList(getBlocks()));
> DiffList<FileDiff> diffs = sf.getDiffs().asList();
> for(FileDiff diff : diffs) {
> BlockInfo[] diffBlocks = diff.getBlocks();
> if (diffBlocks != null) {
> allBlocks.addAll(Arrays.asList(diffBlocks));
> } {code}
> but on updating the reclaim context we subtract these both , so wrong quota
> value can be updated
> {code:java}
> QuotaCounts current = file.storagespaceConsumed(bsp);
> reclaimContext.quotaDelta().add(oldCounts.subtract(current)); {code}
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