About Like What You See? Stored fields compression in Lucene 4.1 Last time, I tried to explain how efficient stored fields compression can help when your index grows larger than your I/O cache. Indeed, magnetic disks are so slow that it is usually worth spending a few CPU cycles on compression in order to avoid disk seeks. I have a very good news for you: the stored fields format I used for these experiments will become the new default stored fields format as of Lucene 4.1! Here are the main highlights:
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