Consider using lucene for text search in logs

[rdiachenko]

Look at:

• http://www.javacodegeeks.com/2012/12/lucene-quickly-add-index-and-search-capability.html
• http://stackoverflow.com/questions/4091441/how-do-i-index-and-search-text-files-in-lucene-3-0-2
• http://www.ibm.com/developerworks/java/library/j-lucene/