By the way, i created a test case that multi-user query sahara by api at the same time. I found that the qps is about 10-20. I can see when a db query occured the eventlet switch to another keystoneclient thread and switch back about 1 seconds, so the query qps is quite low. I wonder is that the performance bottleneck of eventlet + mysqldb ? 2014-08-19 11:02 GMT+08:00 lonely Feb <lonely8658 at gmail.com>: > thx a lot :) > > > 2014-08-18 21:37 GMT+08:00 Sergey Lukjanov <slukjanov at mirantis.com>: > > Hey Ionely, >> >> the oslo.db is a graduated version of code from the oslo-incubator >> (that was periodically synced to sahara.openstack.common.db). So, the >> only reason is to switch to the graduated lib. >> >> On Mon, Aug 18, 2014 at 5:04 PM, lonely Feb <lonely8658 at gmail.com> wrote: >> > I found sahara.openstack.common.db has replaced by olso.db, i wonder the >> > reason of this replacement. Is the any performance problem of the >> original >> > sahara.openstack.common.db ? >> > >> > _______________________________________________ >> > OpenStack-dev mailing list >> > OpenStack-dev at lists.openstack.org >> > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev >> > >> >> >> >> -- >> Sincerely yours, >> Sergey Lukjanov >> Sahara Technical Lead >> (OpenStack Data Processing) >> Principal Software Engineer >> Mirantis Inc. >> >> _______________________________________________ >> OpenStack-dev mailing list >> OpenStack-dev at lists.openstack.org >> 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/20140819/7f458977/attachment.html>