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Posted to hdfs-dev@hadoop.apache.org by "Takuya Fukudome (JIRA)" <ji...@apache.org> on 2015/04/21 04:20:59 UTC
[jira] [Created] (HDFS-8195) Erasure coding: Fix file quota change
when we complete/commit the striped blocks
Takuya Fukudome created HDFS-8195:
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Summary: Erasure coding: Fix file quota change when we complete/commit the striped blocks
Key: HDFS-8195
URL: https://issues.apache.org/jira/browse/HDFS-8195
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Takuya Fukudome
Assignee: Takuya Fukudome
Fix file quota change when converting a file with striped blocks from complete/under-construction to under-construction/complete state. When we add a new block (FSDirectory#addBlock) we update the quota using the full block size (since we do not know how much data the user will write to
the new block), and when we complete/commit the block, the quota is updated based on the block's real size (FSNamesystem#commitOrCompleteLastBlock). Currently these two places only support contiguous blocks (using INodeFile#getPreferredBlockSize as the full block size). We should update them for striped blocks.
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