{"action":"created","comment":{"url":"https://api.github.com/repos/weaveworks/scope/pulls/comments/68329735","id":68329735,"diff_hunk":"@@ -133,21 +133,40 @@ func (c *consulClient) CAS(key string, out interface{}, f CASCallback) error {\n }\n \n func (c *consulClient) WatchPrefix(prefix string, out interface{}, done chan struct{}, f func(string, interface{}) bool) {\n-\tindex := uint64(0)\n+\tconst (\n+\t\tinitialBackoff = 1 * time.Second\n+\t\tmaxBackoff     = 1 * time.Minute\n+\t)\n+\tvar (\n+\t\tbackoff = initialBackoff / 2\n+\t\tindex   = uint64(0)\n+\t)\n \tfor {\n \t\tselect {\n \t\tcase <-done:\n \t\t\treturn\n \t\tdefault:\n \t\t}\n-\n \t\tkvps, meta, err := c.kv.List(prefix, &consul.QueryOptions{\n \t\t\tRequireConsistent: true,\n \t\t\tWaitIndex:         index,\n \t\t\tWaitTime:          longPollDuration,\n \t\t})\n \t\tif err != nil {\n \t\t\tlog.Errorf(\"Error getting path %s: %v\", prefix, err)\n+\t\t\tbackoff = backoff * 2\n+\t\t\tif backoff > maxBackoff 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