Hi, I've my lucene index directory of size 36GB. I recently upgraded my lucene version from v3.2 to v4.4. So, I tried to upgrade my index as suggested @ http://lucene.apache.org/core/4_4_0/core/org/apache/lucene/index/IndexUpgrader.html
I tried with -Xmx 4g(snip1 in attached log) but the process ran for 37min and hit OOME and failed. So, I tried with increased heap size 7g(snip2 in attached log). This time the process ran for 43min and hit OOME again and failed. How do I resolve the OOME and successfully upgrade my index to lucene 4 format? Thanks, --Vivek
