Grant Ingersoll created TIKA-4796:
-------------------------------------
Summary: Caching of MagicDetector pattern compilations
Key: TIKA-4796
URL: https://issues.apache.org/jira/browse/TIKA-4796
Project: Tika
Issue Type: Improvement
Reporter: Grant Ingersoll
I've been doing some profiling of Tika as part of a broader focus on a document
extraction pipeline and one of the areas that shows up more than expected and
appears to be an easy fix is the
```
Pattern p = Pattern.compile(new String(this.pattern, UTF_8), flags);
```
line in `matchesBuffer` (trunk/main) and the `detect` method in the 3.x line.
The fix is to compile the pattern in the initialization. Patch/fix coming
shortly.
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