Michael Gibney created SOLR-17222:
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Summary: QueryResponseWriterUtil.NonFlushingStream should support
bulk write methods
Key: SOLR-17222
URL: https://issues.apache.org/jira/browse/SOLR-17222
Project: Solr
Issue Type: Improvement
Security Level: Public (Default Security Level. Issues are Public)
Affects Versions: 9.5.0, main (10.0)
Reporter: Michael Gibney
All text responses (non-javabin) are currently serialized through
{{QueryResponseWriterUtil.NonFlushingStream}}. The minimal method override in
that class means that every byte written on all text responses is iterated and
copied byte-for-byte.
It is trivial to extend {{FilterOutputStream}} and override the bulk write
methods, eliminating this potential bottleneck. This came on my radar while
doing [general investigation into response serialization
slowness|https://github.com/apache/solr/pull/1440#issuecomment-1462597683]. I
haven't bothered to benchmark this, but it's a trivial change and could only be
a good thing, in terms of performance.
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