Hey,I hit a bit of a roadbump in solving the "truncated block issue" at our site: namely, some of the blocks appear perfectly valid to the datanode. The block verifies, but it is still the wrong size (it appears that the metadata is too small too).
What's the best way to proceed? It appears that either (a) the block scanner needs to report to the datanode the size of the block it just verified, which is possibly a scaling issue or (b) the metadata file needs to save the correct block size, which is a pretty major modification, as it requires a change of the on-disk format.
Ideas? Brian
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