Github user uce commented on the issue:
https://github.com/apache/flink/pull/2829
Good additions with the Javadocs. All changes looks good to me.
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While looking over the Serializer interface I noticed that `clear` and
`clearCurrentBuffer` are dangerously similar. But looking at the usage it looks
like it is very important that we don't accidentally call `clear` while copying
from serializer to target buffers. This should be fixed altogether, but in the
mean time it would be good to add a big note to the newly added serializer
comments. What do you think?
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