How to validate very large XML files?

Question

How can I validate a large XML file (>100mb)? I try to open it with IE, FX & GC and it either crashes or doesn't do anything.

Answer 1

xmllint --stream

Worked on a 1.2Gb file with memory limited to 500Mb:

ulimit -Sv 500000
xmllint --stream a.xml

Without --stream, Linux kills the process, and without ulimit, my computer jams.

I was not able however to get output from --xpath when using --stream: How to do command line XPath queries in huge XML files?

Tested in Ubuntu 14.04, xmllint version 20901.