Hi, I had some “interesting” issues in the past with sparse files on xfs with elasticsearch: http://engineering.spilgames.com/hypervisor-kernel-panics-hit-2014-sl6-5/ If you pre-allocate your files you should be good. Cheers, Robert van Leeuwen From: Tim Bell <Tim.Bell at cern.ch> Date: Friday, September 2, 2016 at 2:36 PM To: openstack-operators <openstack-operators at lists.openstack.org> Subject: [Openstack-operators] ElasticSearch on OpenStack Has anyone had experience running ElasticSearch on top of OpenStack VMs ? Are there any tuning recommendations ? Thanks Tim -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-operators/attachments/20160902/75708a69/attachment.html>