HBaseByteInterface not thread safe
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Key: GORA-88
URL: https://issues.apache.org/jira/browse/GORA-88
Project: Gora
Issue Type: Bug
Components: storage-hbase
Reporter: Ferdy Galema
The recent attempt to make HBaseStore thread safe overlooked the utility class
HBaseByteInterface. This class currently uses a single SpecificDatumReader and
SpecificDatumWriter for the serialization of embedded records (schemas) within
the schema. These reader and writer classes are not thread safe when used with
a single schema (at least not yet with the current Avro library in use), much
less when using multiple schema's (i.e. writer.setSchema(schema)).
I will attach a patch that makes proper (re)use of these writer and reader
classes, as well as the closely related decoders and encoders. Some workarounds
are provided that would be unnecessary with newer versions of Avro, but these
can be removed whenever we update this library.
This class does not break compatibilty; the end result data in HBase is
unchanged.
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