Metadata constructor is slow
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Key: TIKA-495
URL: https://issues.apache.org/jira/browse/TIKA-495
Project: Tika
Issue Type: Bug
Components: metadata
Affects Versions: 0.8
Reporter: Radek
Metadata constructor initialises a bunch of SimpleTimeFormat objects. This is
slow - they need to parse their configuration strings, system must be queried
for timezone, and so on. In my simple test in which I create new Metadata
object for each new document this accounts for approximately 25-30% of all time
spent in Tika.
As pointed out by Nick Burch, SimpleTimeFormat is not threadsafe, so they can't
be static.
Possible solutions include using org.apache.commons.lang.time.FastDateFormat
instead (if its features are sufficient), or using thread local objects.
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