flow/
batching_mode.rs

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// Copyright 2023 Greptime Team
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

//! Run flow as batching mode which is time-window-aware normal query triggered when new data arrives

use std::time::Duration;

mod engine;
mod frontend_client;
mod state;
mod task;
mod time_window;
mod utils;

/// TODO(discord9): make those constants configurable
/// The default batching engine query timeout is 10 minutes
pub const DEFAULT_BATCHING_ENGINE_QUERY_TIMEOUT: Duration = Duration::from_secs(10 * 60);

/// will output a warn log for any query that runs for more that 1 minutes, and also every 1 minutes when that query is still running
pub const SLOW_QUERY_THRESHOLD: Duration = Duration::from_secs(60);

/// The minimum duration between two queries execution by batching mode task
const MIN_REFRESH_DURATION: Duration = Duration::new(5, 0);