progval commented on code in PR #5860: URL: https://github.com/apache/arrow-rs/pull/5860#discussion_r1638800259
########## parquet/examples/write_parquet.rs: ########## @@ -0,0 +1,71 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you 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. + +use std::fs::File; +use std::sync::Arc; + +use dsi_progress_logger::prelude::*; + +use arrow::array::{StructArray, UInt64Builder}; +use arrow::datatypes::DataType::UInt64; +use arrow::datatypes::{Field, Schema}; +use parquet::arrow::ArrowWriter as ParquetWriter; +use parquet::basic::Encoding; +use parquet::errors::Result; +use parquet::file::properties::WriterProperties; + +fn main() -> Result<()> { Review Comment: Done, along with a Clap argument parser: ``` $ cargo run --release --features="cli sysinfo" --example write_parquet -- -h Writes sequences of integers, with a Bloom Filter, while logging timing and memory usage Usage: write_parquet [OPTIONS] <PATH> Arguments: <PATH> Path to the file to write Options: --iterations <ITERATIONS> Number of batches to write [default: 1000] --batch <BATCH> Number of rows in each batch [default: 1000000] --bloom-filter-position <BLOOM_FILTER_POSITION> Where to write Bloom Filters [default: after-row-group] [possible values: end, after-row-group] -h, --help Print help -V, --version Print version ``` ########## parquet/Cargo.toml: ########## @@ -68,6 +68,9 @@ twox-hash = { version = "1.6", default-features = false } paste = { version = "1.0" } half = { version = "2.1", default-features = false, features = ["num-traits"] } +dsi-progress-logger = { version = "0.2.4", optional = true } Review Comment: Done. It now looks like this: ``` $ cargo run --release --features="cli sysinfo" --example write_parquet -- /tmp/test.parquet 2024-06-13 21:45:40 Writing 1000 batches of 1000000 rows. RSS = 1MB 2024-06-13 21:45:50 Iteration 260/1000. RSS = 50MB 2024-06-13 21:46:00 Iteration 518/1000. RSS = 50MB 2024-06-13 21:46:10 Iteration 772/1000. RSS = 50MB 2024-06-13 21:46:19 Done. RSS = 17MB $ cargo run --release --features="cli sysinfo" --example write_parquet -- /tmp/test.parquet --bloom-filter-position end 2024-06-13 21:46:29 Writing 1000 batches of 1000000 rows. RSS = 1MB 2024-06-13 21:46:39 Iteration 267/1000. RSS = 451MB 2024-06-13 21:46:49 Iteration 533/1000. RSS = 791MB 2024-06-13 21:46:59 Iteration 799/1000. RSS = 1151MB 2024-06-13 21:47:07 Done. RSS = 1055MB ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
