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default\n\nCinder and etcd are enabled by default and by default\ncinder uses etcd as a distributed lock manager with\ntooz as an intermediary. We see a lot of ToozConnectionErrors [1]\nin the cinder logs when etcd is backed up [2] which results in\ncinder operations timing out causing test failures, like\nwhen a volume is not deleted within a given time.\n\nThis changes ETCD_USE_RAMDISK\u003dTrue by default to try and\nalleviate some of the pressure. An alternative is if we know\nwe\u0027re in a single-node job we could just not use a DLM for\nCinder.\n\n[1] http://status.openstack.org/elastic-recheck/#1810526\n[2] etcd[26824]: sync duration of 12.076762123s, expected less than 1s\n\nChange-Id: I5f82aa40e9d84114e7b7b5cf19ec4942d6552490\nPartial-Bug: #1810526\n","web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/devstack/commit/1516e720ce1d6eb6eca38feb1ca18dc7fc8c105c"}],"resolve_conflicts_web_links":[{"name":"gitea","tooltip":"Open in GitWeb","url":"https://opendev.org/openstack/devstack/commit/1516e720ce1d6eb6eca38feb1ca18dc7fc8c105c"}]},"branch":"refs/heads/master"}},"requirements":[],"submit_records":[],"submit_requirements":[]}