Blocker Description
In HDFS-3689, we remove the restriction from concat that all the source files should have the same preferred block size with the target file. This can cause a file to contain blocks with size larger than its preferred block size.
If such block happens to be the last block of a file, and later we append data to the file without the CreateFlag.NEW_BLOCK flag (i.e., appending data to the last block), looks like the current client code will keep writing to the last block and never allocate a new block.
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Issue Links
- is related to
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HDFS-3689 Add support for variable length block
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- Closed
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