I think fuel team encountered similar problems, I’d advice asking them around. Also Stan (author of yaql) might shed some light on the problem =) -- Kirill Zaitsev Murano Project Tech Lead Software Engineer at Mirantis, Inc On 17 January 2017 at 15:11:52, lương hữu tuấn (tuantuluong at gmail.com) wrote: Hi, We are now using yaql in mistral and what we see that the process of validating yaql expression of input takes a lot of time, especially with the big size input. Do you guys have any information about performance of yaql? Br, @Nokia/Tuan __________________________________________________________________________ OpenStack Development Mailing List (not for usage questions) Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20170117/df4faad4/attachment.html>