fn default()

in src/client/mod.rs [272:307]

• 26 lines of code
• 1 McCabe index (conditional complexity)

    fn default() -> Self {
        // Defaults based on
        // <https://docs.aws.amazon.com/sdkref/latest/guide/feature-smart-config-defaults.html>
        // <https://docs.aws.amazon.com/whitepapers/latest/s3-optimizing-performance-best-practices/timeouts-and-retries-for-latency-sensitive-applications.html>
        // Which recommend a connection timeout of 3.1s and a request timeout of 2s
        //
        // As object store requests may involve the transfer of non-trivial volumes of data
        // we opt for a slightly higher default timeout of 30 seconds
        Self {
            user_agent: None,
            #[cfg(not(target_arch = "wasm32"))]
            root_certificates: Default::default(),
            content_type_map: Default::default(),
            default_content_type: None,
            default_headers: None,
            proxy_url: None,
            proxy_ca_certificate: None,
            proxy_excludes: None,
            allow_http: Default::default(),
            allow_insecure: Default::default(),
            timeout: Some(Duration::from_secs(30).into()),
            connect_timeout: Some(Duration::from_secs(5).into()),
            pool_idle_timeout: None,
            pool_max_idle_per_host: None,
            http2_keep_alive_interval: None,
            http2_keep_alive_timeout: None,
            http2_keep_alive_while_idle: Default::default(),
            http2_max_frame_size: None,
            // HTTP2 is known to be significantly slower than HTTP1, so we default
            // to HTTP1 for now.
            // https://github.com/apache/arrow-rs/issues/5194
            http1_only: true.into(),
            http2_only: Default::default(),
            randomize_addresses: true.into(),
        }
    }