Joshua Hartman created LUCENE-5372:
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Summary: IntArray toString has O(n^2) performance
Key: LUCENE-5372
URL: https://issues.apache.org/jira/browse/LUCENE-5372
Project: Lucene - Core
Issue Type: Bug
Components: core/index
Reporter: Joshua Hartman
Priority: Minor
This is pretty minor, but I found a few issues with the toString
implementations while looking through the facet data structures.
The most egregious is the use of string concatenation in the IntArray class. I
have fixed that using StringBuilders. I also noticed that other classes were
using StringBuffer instead of StringBuilder. According to the javadoc,
"This class is designed for use as a drop-in replacement for StringBuffer in
places where the string buffer was being used by a single thread (as is
generally the case). Where possible, it is recommended that this class be used
in preference to StringBuffer as it will be faster under most implementations."
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