Saurabh created AVRO-2282:
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Summary: Control default FLUSH_PASSED_TO_STREAM behavior of
JsonEncoder
Key: AVRO-2282
URL: https://issues.apache.org/jira/browse/AVRO-2282
Project: Apache Avro
Issue Type: Improvement
Components: java
Reporter: Saurabh
Fix For: 1.7.4
Attachments: avrojsonencoder1.patch
The FLUSH_PASSED_TO_STREAM feature of JSONGenerator controls if flush calls to
JsonEncoder are passed to the underlying stream. The default value for this is
true causing the underlying stream to be flushed every time encoder.flush is
called. Currently, JsonEncoder doesn't provide a way to change this behaviour.
In many scenarios, a flush call is made to the encoder with the intention of
flushing the buffer to the underlying stream, and not the stream itself, which
has a detrimental impact on performance. The patch provided creates a way to
specify the default behaviour of underlying JSONGenerator during JsonEncoder's
initialization itself. This will be extremely helpful in scenarios such as
Hadoop's MR Evenwriter, allowing the caller to set the desired behaviour for
optimal performance.
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