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Problem

Loops are performing poorly to generate a String via concatenation.

Possible Solutions

If you are using pub.string:concat in your loops to create larger loops then consider the use of StringBuffers.
You'll need to write some java services to:

  • create a StringBuffer object and put it in the pipeline (call this before the loop)
  • call append on a given StringBuffer passing in a supplied String (used inside the loop)
  • call toString() on the StringBuffer to get the resulting String (call this after the loop)
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