Stop requiring stringio dynamically #219
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`SourceFactory::create_from(String)` will always run the `require 'stringio'` operation. This prevents a multi-threaded JRuby application from parsing xml on separate threads concurrently given that `require` will pass through a synchronized piece of code. An experiment in removing this `require` lead to a 10x performance improvement on 10 threads parsing incoming strings on xml. For more details see logstash-plugins/logstash-filter-xml#83
kou
reviewed
Oct 30, 2024
Co-authored-by: Sutou Kouhei <kou@cozmixng.org>
kou
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SourceFactory::create_from(String)will always run therequire 'stringio'operation. This prevents a multi-threaded JRuby application from parsing xml on separate threads concurrently given thatrequirewill pass through a synchronized piece of code.An experiment in removing this
requirelead to a 10x performance improvement on 10 threads parsing incoming strings on xml. For more details see logstash-plugins/logstash-filter-xml#83