LCOV - code coverage report
Current view: top level - proxy/src/context - parquet.rs (source / functions) Coverage Total Hit
Test: 20b6afc7b7f34578dcaab2b3acdaecfe91cd8bf1.info Lines: 78.8 % 510 402
Test Date: 2024-11-25 17:48:16 Functions: 52.3 % 155 81

            Line data    Source code
       1              : use std::sync::Arc;
       2              : use std::time::SystemTime;
       3              : 
       4              : use anyhow::Context;
       5              : use bytes::buf::Writer;
       6              : use bytes::{BufMut, BytesMut};
       7              : use chrono::{Datelike, Timelike};
       8              : use futures::{Stream, StreamExt};
       9              : use parquet::basic::Compression;
      10              : use parquet::file::metadata::RowGroupMetaDataPtr;
      11              : use parquet::file::properties::{WriterProperties, WriterPropertiesPtr, DEFAULT_PAGE_SIZE};
      12              : use parquet::file::writer::SerializedFileWriter;
      13              : use parquet::record::RecordWriter;
      14              : use pq_proto::StartupMessageParams;
      15              : use remote_storage::{GenericRemoteStorage, RemotePath, RemoteStorageConfig, TimeoutOrCancel};
      16              : use serde::ser::SerializeMap;
      17              : use tokio::sync::mpsc;
      18              : use tokio::time;
      19              : use tokio_util::sync::CancellationToken;
      20              : use tracing::{debug, info, Span};
      21              : use utils::backoff;
      22              : 
      23              : use super::{RequestContextInner, LOG_CHAN};
      24              : use crate::config::remote_storage_from_toml;
      25              : use crate::context::LOG_CHAN_DISCONNECT;
      26              : 
      27            6 : #[derive(clap::Args, Clone, Debug)]
      28              : pub struct ParquetUploadArgs {
      29              :     /// Storage location to upload the parquet files to.
      30              :     /// Encoded as toml (same format as pageservers), eg
      31              :     /// `{bucket_name='the-bucket',bucket_region='us-east-1',prefix_in_bucket='proxy',endpoint='http://minio:9000'}`
      32              :     #[clap(long, value_parser = remote_storage_from_toml)]
      33              :     parquet_upload_remote_storage: Option<RemoteStorageConfig>,
      34              : 
      35              :     #[clap(long, value_parser = remote_storage_from_toml)]
      36              :     parquet_upload_disconnect_events_remote_storage: Option<RemoteStorageConfig>,
      37              : 
      38              :     /// How many rows to include in a row group
      39            3 :     #[clap(long, default_value_t = 8192)]
      40            0 :     parquet_upload_row_group_size: usize,
      41              : 
      42              :     /// How large each column page should be in bytes
      43            3 :     #[clap(long, default_value_t = DEFAULT_PAGE_SIZE)]
      44            0 :     parquet_upload_page_size: usize,
      45              : 
      46              :     /// How large the total parquet file should be in bytes
      47            3 :     #[clap(long, default_value_t = 100_000_000)]
      48            0 :     parquet_upload_size: i64,
      49              : 
      50              :     /// How long to wait before forcing a file upload
      51              :     #[clap(long, default_value = "20m", value_parser = humantime::parse_duration)]
      52            0 :     parquet_upload_maximum_duration: tokio::time::Duration,
      53              : 
      54              :     /// What level of compression to use
      55            3 :     #[clap(long, default_value_t = Compression::UNCOMPRESSED)]
      56            0 :     parquet_upload_compression: Compression,
      57              : }
      58              : 
      59              : // Occasional network issues and such can cause remote operations to fail, and
      60              : // that's expected. If a upload fails, we log it at info-level, and retry.
      61              : // But after FAILED_UPLOAD_WARN_THRESHOLD retries, we start to log it at WARN
      62              : // level instead, as repeated failures can mean a more serious problem. If it
      63              : // fails more than FAILED_UPLOAD_RETRIES times, we give up
      64              : pub(crate) const FAILED_UPLOAD_WARN_THRESHOLD: u32 = 3;
      65              : pub(crate) const FAILED_UPLOAD_MAX_RETRIES: u32 = 10;
      66              : 
      67              : // the parquet crate leaves a lot to be desired...
      68              : // what follows is an attempt to write parquet files with minimal allocs.
      69              : // complication: parquet is a columnar format, while we want to write in as rows.
      70              : // design:
      71              : // * we batch up to 1024 rows, then flush them into a 'row group'
      72              : // * after each rowgroup write, we check the length of the file and upload to s3 if large enough
      73              : 
      74      3180085 : #[derive(parquet_derive::ParquetRecordWriter)]
      75              : pub(crate) struct RequestData {
      76              :     region: &'static str,
      77              :     protocol: &'static str,
      78              :     /// Must be UTC. The derive macro doesn't like the timezones
      79              :     timestamp: chrono::NaiveDateTime,
      80              :     session_id: uuid::Uuid,
      81              :     peer_addr: String,
      82              :     username: Option<String>,
      83              :     application_name: Option<String>,
      84              :     endpoint_id: Option<String>,
      85              :     database: Option<String>,
      86              :     project: Option<String>,
      87              :     branch: Option<String>,
      88              :     pg_options: Option<String>,
      89              :     auth_method: Option<&'static str>,
      90              :     error: Option<&'static str>,
      91              :     /// Success is counted if we form a HTTP response with sql rows inside
      92              :     /// Or if we make it to proxy_pass
      93              :     success: bool,
      94              :     /// Indicates if the cplane started the new compute node for this request.
      95              :     cold_start_info: &'static str,
      96              :     /// Tracks time from session start (HTTP request/libpq TCP handshake)
      97              :     /// Through to success/failure
      98              :     duration_us: u64,
      99              :     /// If the session was successful after the disconnect, will be created one more event with filled `disconnect_timestamp`.
     100              :     disconnect_timestamp: Option<chrono::NaiveDateTime>,
     101              : }
     102              : 
     103              : struct Options<'a> {
     104              :     options: &'a StartupMessageParams,
     105              : }
     106              : 
     107              : impl serde::Serialize for Options<'_> {
     108            0 :     fn serialize<S>(&self, s: S) -> Result<S::Ok, S::Error>
     109            0 :     where
     110            0 :         S: serde::Serializer,
     111            0 :     {
     112            0 :         let mut state = s.serialize_map(None)?;
     113            0 :         for (k, v) in self.options.iter() {
     114            0 :             state.serialize_entry(k, v)?;
     115              :         }
     116            0 :         state.end()
     117            0 :     }
     118              : }
     119              : 
     120              : impl From<&RequestContextInner> for RequestData {
     121            0 :     fn from(value: &RequestContextInner) -> Self {
     122            0 :         Self {
     123            0 :             session_id: value.session_id,
     124            0 :             peer_addr: value.conn_info.addr.ip().to_string(),
     125            0 :             timestamp: value.first_packet.naive_utc(),
     126            0 :             username: value.user.as_deref().map(String::from),
     127            0 :             application_name: value.application.as_deref().map(String::from),
     128            0 :             endpoint_id: value.endpoint_id.as_deref().map(String::from),
     129            0 :             database: value.dbname.as_deref().map(String::from),
     130            0 :             project: value.project.as_deref().map(String::from),
     131            0 :             branch: value.branch.as_deref().map(String::from),
     132            0 :             pg_options: value
     133            0 :                 .pg_options
     134            0 :                 .as_ref()
     135            0 :                 .and_then(|options| serde_json::to_string(&Options { options }).ok()),
     136            0 :             auth_method: value.auth_method.as_ref().map(|x| match x {
     137            0 :                 super::AuthMethod::ConsoleRedirect => "console_redirect",
     138            0 :                 super::AuthMethod::ScramSha256 => "scram_sha_256",
     139            0 :                 super::AuthMethod::ScramSha256Plus => "scram_sha_256_plus",
     140            0 :                 super::AuthMethod::Cleartext => "cleartext",
     141            0 :             }),
     142            0 :             protocol: value.protocol.as_str(),
     143            0 :             region: value.region,
     144            0 :             error: value.error_kind.as_ref().map(|e| e.to_metric_label()),
     145            0 :             success: value.success,
     146            0 :             cold_start_info: value.cold_start_info.as_str(),
     147            0 :             duration_us: SystemTime::from(value.first_packet)
     148            0 :                 .elapsed()
     149            0 :                 .unwrap_or_default()
     150            0 :                 .as_micros() as u64, // 584 millenia... good enough
     151            0 :             disconnect_timestamp: value.disconnect_timestamp.map(|x| x.naive_utc()),
     152            0 :         }
     153            0 :     }
     154              : }
     155              : 
     156              : /// Parquet request context worker
     157              : ///
     158              : /// It listened on a channel for all completed requests, extracts the data and writes it into a parquet file,
     159              : /// then uploads a completed batch to S3
     160            0 : pub async fn worker(
     161            0 :     cancellation_token: CancellationToken,
     162            0 :     config: ParquetUploadArgs,
     163            0 : ) -> anyhow::Result<()> {
     164            0 :     let Some(remote_storage_config) = config.parquet_upload_remote_storage else {
     165            0 :         tracing::warn!("parquet request upload: no s3 bucket configured");
     166            0 :         return Ok(());
     167              :     };
     168              : 
     169            0 :     let (tx, mut rx) = mpsc::unbounded_channel();
     170            0 :     LOG_CHAN.set(tx.downgrade()).unwrap();
     171            0 : 
     172            0 :     // setup row stream that will close on cancellation
     173            0 :     let cancellation_token2 = cancellation_token.clone();
     174            0 :     tokio::spawn(async move {
     175            0 :         cancellation_token2.cancelled().await;
     176              :         // dropping this sender will cause the channel to close only once
     177              :         // all the remaining inflight requests have been completed.
     178            0 :         drop(tx);
     179            0 :     });
     180            0 :     let rx = futures::stream::poll_fn(move |cx| rx.poll_recv(cx));
     181            0 :     let rx = rx.map(RequestData::from);
     182              : 
     183            0 :     let storage = GenericRemoteStorage::from_config(&remote_storage_config)
     184            0 :         .await
     185            0 :         .context("remote storage init")?;
     186              : 
     187            0 :     let properties = WriterProperties::builder()
     188            0 :         .set_data_page_size_limit(config.parquet_upload_page_size)
     189            0 :         .set_compression(config.parquet_upload_compression);
     190            0 : 
     191            0 :     let parquet_config = ParquetConfig {
     192            0 :         propeties: Arc::new(properties.build()),
     193            0 :         rows_per_group: config.parquet_upload_row_group_size,
     194            0 :         file_size: config.parquet_upload_size,
     195            0 :         max_duration: config.parquet_upload_maximum_duration,
     196            0 : 
     197            0 :         #[cfg(any(test, feature = "testing"))]
     198            0 :         test_remote_failures: 0,
     199            0 :     };
     200              : 
     201              :     // TODO(anna): consider moving this to a separate function.
     202            0 :     if let Some(disconnect_events_storage_config) =
     203            0 :         config.parquet_upload_disconnect_events_remote_storage
     204              :     {
     205            0 :         let (tx_disconnect, mut rx_disconnect) = mpsc::unbounded_channel();
     206            0 :         LOG_CHAN_DISCONNECT.set(tx_disconnect.downgrade()).unwrap();
     207            0 : 
     208            0 :         // setup row stream that will close on cancellation
     209            0 :         tokio::spawn(async move {
     210            0 :             cancellation_token.cancelled().await;
     211              :             // dropping this sender will cause the channel to close only once
     212              :             // all the remaining inflight requests have been completed.
     213            0 :             drop(tx_disconnect);
     214            0 :         });
     215            0 :         let rx_disconnect = futures::stream::poll_fn(move |cx| rx_disconnect.poll_recv(cx));
     216            0 :         let rx_disconnect = rx_disconnect.map(RequestData::from);
     217              : 
     218            0 :         let storage_disconnect =
     219            0 :             GenericRemoteStorage::from_config(&disconnect_events_storage_config)
     220            0 :                 .await
     221            0 :                 .context("remote storage for disconnect events init")?;
     222            0 :         let parquet_config_disconnect = parquet_config.clone();
     223            0 :         tokio::try_join!(
     224            0 :             worker_inner(storage, rx, parquet_config),
     225            0 :             worker_inner(storage_disconnect, rx_disconnect, parquet_config_disconnect)
     226            0 :         )
     227            0 :         .map(|_| ())
     228              :     } else {
     229            0 :         worker_inner(storage, rx, parquet_config).await
     230              :     }
     231            0 : }
     232              : 
     233              : #[derive(Clone, Debug)]
     234              : struct ParquetConfig {
     235              :     propeties: WriterPropertiesPtr,
     236              :     rows_per_group: usize,
     237              :     file_size: i64,
     238              : 
     239              :     max_duration: tokio::time::Duration,
     240              : 
     241              :     #[cfg(any(test, feature = "testing"))]
     242              :     test_remote_failures: u64,
     243              : }
     244              : 
     245            4 : async fn worker_inner(
     246            4 :     storage: GenericRemoteStorage,
     247            4 :     rx: impl Stream<Item = RequestData>,
     248            4 :     config: ParquetConfig,
     249            4 : ) -> anyhow::Result<()> {
     250              :     #[cfg(any(test, feature = "testing"))]
     251            4 :     let storage = if config.test_remote_failures > 0 {
     252            2 :         GenericRemoteStorage::unreliable_wrapper(storage, config.test_remote_failures)
     253              :     } else {
     254            2 :         storage
     255              :     };
     256              : 
     257            4 :     let mut rx = std::pin::pin!(rx);
     258            4 : 
     259            4 :     let mut rows = Vec::with_capacity(config.rows_per_group);
     260              : 
     261            4 :     let schema = rows.as_slice().schema()?;
     262            4 :     let buffer = BytesMut::new();
     263            4 :     let w = buffer.writer();
     264            4 :     let mut w = SerializedFileWriter::new(w, schema.clone(), config.propeties.clone())?;
     265              : 
     266            4 :     let mut last_upload = time::Instant::now();
     267            4 : 
     268            4 :     let mut len = 0;
     269       159004 :     while let Some(row) = rx.next().await {
     270       159000 :         rows.push(row);
     271       159000 :         let force = last_upload.elapsed() > config.max_duration;
     272       159000 :         if rows.len() == config.rows_per_group || force {
     273              :             let rg_meta;
     274           80 :             (rows, w, rg_meta) = flush_rows(rows, w).await?;
     275           80 :             len += rg_meta.compressed_size();
     276       158920 :         }
     277       159000 :         if len > config.file_size || force {
     278           23 :             last_upload = time::Instant::now();
     279           96 :             let file = upload_parquet(w, len, &storage).await?;
     280           23 :             w = SerializedFileWriter::new(file, schema.clone(), config.propeties.clone())?;
     281           23 :             len = 0;
     282       158977 :         }
     283              :     }
     284              : 
     285            4 :     if !rows.is_empty() {
     286              :         let rg_meta;
     287            1 :         (_, w, rg_meta) = flush_rows(rows, w).await?;
     288            1 :         len += rg_meta.compressed_size();
     289            3 :     }
     290              : 
     291            4 :     if !w.flushed_row_groups().is_empty() {
     292           12 :         let _rtchk: Writer<BytesMut> = upload_parquet(w, len, &storage).await?;
     293            1 :     }
     294              : 
     295            4 :     Ok(())
     296            4 : }
     297              : 
     298           81 : async fn flush_rows<W>(
     299           81 :     rows: Vec<RequestData>,
     300           81 :     mut w: SerializedFileWriter<W>,
     301           81 : ) -> anyhow::Result<(
     302           81 :     Vec<RequestData>,
     303           81 :     SerializedFileWriter<W>,
     304           81 :     RowGroupMetaDataPtr,
     305           81 : )>
     306           81 : where
     307           81 :     W: std::io::Write + Send + 'static,
     308           81 : {
     309           81 :     let span = Span::current();
     310           81 :     let (mut rows, w, rg_meta) = tokio::task::spawn_blocking(move || {
     311           81 :         let _enter = span.enter();
     312              : 
     313           81 :         let mut rg = w.next_row_group()?;
     314           81 :         rows.as_slice().write_to_row_group(&mut rg)?;
     315           81 :         let rg_meta = rg.close()?;
     316              : 
     317           81 :         let size = rg_meta.compressed_size();
     318           81 :         let compression = rg_meta.compressed_size() as f64 / rg_meta.total_byte_size() as f64;
     319           81 : 
     320           81 :         debug!(size, compression, "flushed row group to parquet file");
     321              : 
     322           81 :         Ok::<_, parquet::errors::ParquetError>((rows, w, rg_meta))
     323           81 :     })
     324           81 :     .await
     325           81 :     .unwrap()?;
     326              : 
     327           81 :     rows.clear();
     328           81 :     Ok((rows, w, rg_meta))
     329           81 : }
     330              : 
     331           26 : async fn upload_parquet(
     332           26 :     mut w: SerializedFileWriter<Writer<BytesMut>>,
     333           26 :     len: i64,
     334           26 :     storage: &GenericRemoteStorage,
     335           26 : ) -> anyhow::Result<Writer<BytesMut>> {
     336           26 :     let len_uncompressed = w
     337           26 :         .flushed_row_groups()
     338           26 :         .iter()
     339           81 :         .map(|rg| rg.total_byte_size())
     340           26 :         .sum::<i64>();
     341              : 
     342              :     // I don't know how compute intensive this is, although it probably isn't much... better be safe than sorry.
     343              :     // finish method only available on the fork: https://github.com/apache/arrow-rs/issues/5253
     344           26 :     let (mut buffer, metadata) =
     345           26 :         tokio::task::spawn_blocking(move || -> parquet::errors::Result<_> {
     346           26 :             let metadata = w.finish()?;
     347           26 :             let buffer = std::mem::take(w.inner_mut().get_mut());
     348           26 :             Ok((buffer, metadata))
     349           26 :         })
     350           26 :         .await
     351           26 :         .unwrap()?;
     352              : 
     353           26 :     let data = buffer.split().freeze();
     354           26 : 
     355           26 :     let compression = len as f64 / len_uncompressed as f64;
     356           26 :     let size = data.len();
     357           26 :     let now = chrono::Utc::now();
     358           26 :     let id = uuid::Uuid::new_v7(uuid::Timestamp::from_unix(
     359           26 :         uuid::NoContext,
     360           26 :         // we won't be running this in 1970. this cast is ok
     361           26 :         now.timestamp() as u64,
     362           26 :         now.timestamp_subsec_nanos(),
     363           26 :     ));
     364           26 : 
     365           26 :     info!(
     366              :         %id,
     367              :         rows = metadata.num_rows,
     368            0 :         size, compression, "uploading request parquet file"
     369              :     );
     370              : 
     371           26 :     let year = now.year();
     372           26 :     let month = now.month();
     373           26 :     let day = now.day();
     374           26 :     let hour = now.hour();
     375              :     // segment files by time for S3 performance
     376           26 :     let path = RemotePath::from_string(&format!(
     377           26 :         "{year:04}/{month:02}/{day:02}/{hour:02}/requests_{id}.parquet"
     378           26 :     ))?;
     379           26 :     let cancel = CancellationToken::new();
     380           26 :     let maybe_err = backoff::retry(
     381           38 :         || async {
     382           38 :             let stream = futures::stream::once(futures::future::ready(Ok(data.clone())));
     383           38 :             storage
     384           38 :                 .upload(stream, data.len(), &path, None, &cancel)
     385           82 :                 .await
     386           76 :         },
     387           26 :         TimeoutOrCancel::caused_by_cancel,
     388           26 :         FAILED_UPLOAD_WARN_THRESHOLD,
     389           26 :         FAILED_UPLOAD_MAX_RETRIES,
     390           26 :         "request_data_upload",
     391           26 :         // we don't want cancellation to interrupt here, so we make a dummy cancel token
     392           26 :         &cancel,
     393           26 :     )
     394           82 :     .await
     395           26 :     .ok_or_else(|| anyhow::Error::new(TimeoutOrCancel::Cancel))
     396           26 :     .and_then(|x| x)
     397           26 :     .context("request_data_upload")
     398           26 :     .err();
     399              : 
     400           26 :     if let Some(err) = maybe_err {
     401            0 :         tracing::warn!(%id, %err, "failed to upload request data");
     402           26 :     }
     403              : 
     404           26 :     Ok(buffer.writer())
     405           26 : }
     406              : 
     407              : #[cfg(test)]
     408              : mod tests {
     409              :     use std::net::Ipv4Addr;
     410              :     use std::num::NonZeroUsize;
     411              :     use std::sync::Arc;
     412              : 
     413              :     use camino::Utf8Path;
     414              :     use clap::Parser;
     415              :     use futures::{Stream, StreamExt};
     416              :     use itertools::Itertools;
     417              :     use parquet::basic::{Compression, ZstdLevel};
     418              :     use parquet::file::properties::{WriterProperties, DEFAULT_PAGE_SIZE};
     419              :     use parquet::file::reader::FileReader;
     420              :     use parquet::file::serialized_reader::SerializedFileReader;
     421              :     use rand::rngs::StdRng;
     422              :     use rand::{Rng, SeedableRng};
     423              :     use remote_storage::{
     424              :         GenericRemoteStorage, RemoteStorageConfig, RemoteStorageKind, S3Config,
     425              :         DEFAULT_MAX_KEYS_PER_LIST_RESPONSE, DEFAULT_REMOTE_STORAGE_S3_CONCURRENCY_LIMIT,
     426              :     };
     427              :     use tokio::sync::mpsc;
     428              :     use tokio::time;
     429              :     use walkdir::WalkDir;
     430              : 
     431              :     use super::{worker_inner, ParquetConfig, ParquetUploadArgs, RequestData};
     432              : 
     433            2 :     #[derive(Parser)]
     434              :     struct ProxyCliArgs {
     435              :         #[clap(flatten)]
     436              :         parquet_upload: ParquetUploadArgs,
     437              :     }
     438              : 
     439              :     #[test]
     440            1 :     fn default_parser() {
     441            1 :         let ProxyCliArgs { parquet_upload } = ProxyCliArgs::parse_from(["proxy"]);
     442            1 :         assert_eq!(parquet_upload.parquet_upload_remote_storage, None);
     443            1 :         assert_eq!(parquet_upload.parquet_upload_row_group_size, 8192);
     444            1 :         assert_eq!(parquet_upload.parquet_upload_page_size, DEFAULT_PAGE_SIZE);
     445            1 :         assert_eq!(parquet_upload.parquet_upload_size, 100_000_000);
     446            1 :         assert_eq!(
     447            1 :             parquet_upload.parquet_upload_maximum_duration,
     448            1 :             time::Duration::from_secs(20 * 60)
     449            1 :         );
     450            1 :         assert_eq!(
     451            1 :             parquet_upload.parquet_upload_compression,
     452            1 :             Compression::UNCOMPRESSED
     453            1 :         );
     454            1 :     }
     455              : 
     456              :     #[test]
     457            1 :     fn full_parser() {
     458            1 :         let ProxyCliArgs { parquet_upload } = ProxyCliArgs::parse_from([
     459            1 :             "proxy",
     460            1 :             "--parquet-upload-remote-storage",
     461            1 :             "{bucket_name='default',prefix_in_bucket='proxy/',bucket_region='us-east-1',endpoint='http://minio:9000'}",
     462            1 :             "--parquet-upload-row-group-size",
     463            1 :             "100",
     464            1 :             "--parquet-upload-page-size",
     465            1 :             "10000",
     466            1 :             "--parquet-upload-size",
     467            1 :             "10000000",
     468            1 :             "--parquet-upload-maximum-duration",
     469            1 :             "10m",
     470            1 :             "--parquet-upload-compression",
     471            1 :             "zstd(5)",
     472            1 :         ]);
     473            1 :         assert_eq!(
     474            1 :             parquet_upload.parquet_upload_remote_storage,
     475            1 :             Some(RemoteStorageConfig {
     476            1 :                 storage: RemoteStorageKind::AwsS3(S3Config {
     477            1 :                     bucket_name: "default".into(),
     478            1 :                     bucket_region: "us-east-1".into(),
     479            1 :                     prefix_in_bucket: Some("proxy/".into()),
     480            1 :                     endpoint: Some("http://minio:9000".into()),
     481            1 :                     concurrency_limit: NonZeroUsize::new(
     482            1 :                         DEFAULT_REMOTE_STORAGE_S3_CONCURRENCY_LIMIT
     483            1 :                     )
     484            1 :                     .unwrap(),
     485            1 :                     max_keys_per_list_response: DEFAULT_MAX_KEYS_PER_LIST_RESPONSE,
     486            1 :                     upload_storage_class: None,
     487            1 :                 }),
     488            1 :                 timeout: RemoteStorageConfig::DEFAULT_TIMEOUT,
     489            1 :             })
     490            1 :         );
     491            1 :         assert_eq!(parquet_upload.parquet_upload_row_group_size, 100);
     492            1 :         assert_eq!(parquet_upload.parquet_upload_page_size, 10000);
     493            1 :         assert_eq!(parquet_upload.parquet_upload_size, 10_000_000);
     494            1 :         assert_eq!(
     495            1 :             parquet_upload.parquet_upload_maximum_duration,
     496            1 :             time::Duration::from_secs(10 * 60)
     497            1 :         );
     498            1 :         assert_eq!(
     499            1 :             parquet_upload.parquet_upload_compression,
     500            1 :             Compression::ZSTD(ZstdLevel::try_new(5).unwrap())
     501            1 :         );
     502            1 :     }
     503              : 
     504       159000 :     fn generate_request_data(rng: &mut impl Rng) -> RequestData {
     505       159000 :         RequestData {
     506       159000 :             session_id: uuid::Builder::from_random_bytes(rng.gen()).into_uuid(),
     507       159000 :             peer_addr: Ipv4Addr::from(rng.gen::<[u8; 4]>()).to_string(),
     508       159000 :             timestamp: chrono::DateTime::from_timestamp_millis(
     509       159000 :                 rng.gen_range(1703862754..1803862754),
     510       159000 :             )
     511       159000 :             .unwrap()
     512       159000 :             .naive_utc(),
     513       159000 :             application_name: Some("test".to_owned()),
     514       159000 :             username: Some(hex::encode(rng.gen::<[u8; 4]>())),
     515       159000 :             endpoint_id: Some(hex::encode(rng.gen::<[u8; 16]>())),
     516       159000 :             database: Some(hex::encode(rng.gen::<[u8; 16]>())),
     517       159000 :             project: Some(hex::encode(rng.gen::<[u8; 16]>())),
     518       159000 :             branch: Some(hex::encode(rng.gen::<[u8; 16]>())),
     519       159000 :             pg_options: None,
     520       159000 :             auth_method: None,
     521       159000 :             protocol: ["tcp", "ws", "http"][rng.gen_range(0..3)],
     522       159000 :             region: "us-east-1",
     523       159000 :             error: None,
     524       159000 :             success: rng.gen(),
     525       159000 :             cold_start_info: "no",
     526       159000 :             duration_us: rng.gen_range(0..30_000_000),
     527       159000 :             disconnect_timestamp: None,
     528       159000 :         }
     529       159000 :     }
     530              : 
     531            6 :     fn random_stream(len: usize) -> impl Stream<Item = RequestData> + Unpin {
     532            6 :         let mut rng = StdRng::from_seed([0x39; 32]);
     533            6 :         futures::stream::iter(
     534       159000 :             std::iter::repeat_with(move || generate_request_data(&mut rng)).take(len),
     535            6 :         )
     536            6 :     }
     537              : 
     538            4 :     async fn run_test(
     539            4 :         tmpdir: &Utf8Path,
     540            4 :         config: ParquetConfig,
     541            4 :         rx: impl Stream<Item = RequestData>,
     542            4 :     ) -> Vec<(u64, usize, i64)> {
     543            4 :         let remote_storage_config = RemoteStorageConfig {
     544            4 :             storage: RemoteStorageKind::LocalFs {
     545            4 :                 local_path: tmpdir.to_path_buf(),
     546            4 :             },
     547            4 :             timeout: std::time::Duration::from_secs(120),
     548            4 :         };
     549            4 :         let storage = GenericRemoteStorage::from_config(&remote_storage_config)
     550            0 :             .await
     551            4 :             .unwrap();
     552            4 : 
     553          259 :         worker_inner(storage, rx, config).await.unwrap();
     554            4 : 
     555            4 :         let mut files = WalkDir::new(tmpdir.as_std_path())
     556            4 :             .into_iter()
     557           46 :             .filter_map(|entry| entry.ok())
     558           46 :             .filter(|entry| entry.file_type().is_file())
     559           26 :             .map(|entry| entry.path().to_path_buf())
     560            4 :             .collect_vec();
     561            4 :         files.sort();
     562            4 : 
     563            4 :         files
     564            4 :             .into_iter()
     565           26 :             .map(|path| std::fs::File::open(tmpdir.as_std_path().join(path)).unwrap())
     566           26 :             .map(|file| {
     567           26 :                 (
     568           26 :                     file.metadata().unwrap(),
     569           26 :                     SerializedFileReader::new(file).unwrap().metadata().clone(),
     570           26 :                 )
     571           26 :             })
     572           26 :             .map(|(file_meta, parquet_meta)| {
     573           26 :                 (
     574           26 :                     file_meta.len(),
     575           26 :                     parquet_meta.num_row_groups(),
     576           26 :                     parquet_meta.file_metadata().num_rows(),
     577           26 :                 )
     578           26 :             })
     579            4 :             .collect()
     580            4 :     }
     581              : 
     582              :     #[tokio::test]
     583            1 :     async fn verify_parquet_no_compression() {
     584            1 :         let tmpdir = camino_tempfile::tempdir().unwrap();
     585            1 : 
     586            1 :         let config = ParquetConfig {
     587            1 :             propeties: Arc::new(WriterProperties::new()),
     588            1 :             rows_per_group: 2_000,
     589            1 :             file_size: 1_000_000,
     590            1 :             max_duration: time::Duration::from_secs(20 * 60),
     591            1 :             test_remote_failures: 0,
     592            1 :         };
     593            1 : 
     594            1 :         let rx = random_stream(50_000);
     595           62 :         let file_stats = run_test(tmpdir.path(), config, rx).await;
     596            1 : 
     597            1 :         assert_eq!(
     598            1 :             file_stats,
     599            1 :             [
     600            1 :                 (1312632, 3, 6000),
     601            1 :                 (1312621, 3, 6000),
     602            1 :                 (1312680, 3, 6000),
     603            1 :                 (1312637, 3, 6000),
     604            1 :                 (1312773, 3, 6000),
     605            1 :                 (1312610, 3, 6000),
     606            1 :                 (1312404, 3, 6000),
     607            1 :                 (1312639, 3, 6000),
     608            1 :                 (437848, 1, 2000)
     609            1 :             ]
     610            1 :         );
     611            1 : 
     612            1 :         tmpdir.close().unwrap();
     613            1 :     }
     614              : 
     615              :     #[tokio::test]
     616            1 :     async fn verify_parquet_strong_compression() {
     617            1 :         let tmpdir = camino_tempfile::tempdir().unwrap();
     618            1 : 
     619            1 :         let config = ParquetConfig {
     620            1 :             propeties: Arc::new(
     621            1 :                 WriterProperties::builder()
     622            1 :                     .set_compression(parquet::basic::Compression::ZSTD(
     623            1 :                         ZstdLevel::try_new(10).unwrap(),
     624            1 :                     ))
     625            1 :                     .build(),
     626            1 :             ),
     627            1 :             rows_per_group: 2_000,
     628            1 :             file_size: 1_000_000,
     629            1 :             max_duration: time::Duration::from_secs(20 * 60),
     630            1 :             test_remote_failures: 0,
     631            1 :         };
     632            1 : 
     633            1 :         let rx = random_stream(50_000);
     634           46 :         let file_stats = run_test(tmpdir.path(), config, rx).await;
     635            1 : 
     636            1 :         // with strong compression, the files are smaller
     637            1 :         assert_eq!(
     638            1 :             file_stats,
     639            1 :             [
     640            1 :                 (1203465, 5, 10000),
     641            1 :                 (1203189, 5, 10000),
     642            1 :                 (1203490, 5, 10000),
     643            1 :                 (1203475, 5, 10000),
     644            1 :                 (1203729, 5, 10000)
     645            1 :             ]
     646            1 :         );
     647            1 : 
     648            1 :         tmpdir.close().unwrap();
     649            1 :     }
     650              : 
     651              :     #[tokio::test]
     652            1 :     async fn verify_parquet_unreliable_upload() {
     653            1 :         let tmpdir = camino_tempfile::tempdir().unwrap();
     654            1 : 
     655            1 :         let config = ParquetConfig {
     656            1 :             propeties: Arc::new(WriterProperties::new()),
     657            1 :             rows_per_group: 2_000,
     658            1 :             file_size: 1_000_000,
     659            1 :             max_duration: time::Duration::from_secs(20 * 60),
     660            1 :             test_remote_failures: 2,
     661            1 :         };
     662            1 : 
     663            1 :         let rx = random_stream(50_000);
     664           62 :         let file_stats = run_test(tmpdir.path(), config, rx).await;
     665            1 : 
     666            1 :         assert_eq!(
     667            1 :             file_stats,
     668            1 :             [
     669            1 :                 (1312632, 3, 6000),
     670            1 :                 (1312621, 3, 6000),
     671            1 :                 (1312680, 3, 6000),
     672            1 :                 (1312637, 3, 6000),
     673            1 :                 (1312773, 3, 6000),
     674            1 :                 (1312610, 3, 6000),
     675            1 :                 (1312404, 3, 6000),
     676            1 :                 (1312639, 3, 6000),
     677            1 :                 (437848, 1, 2000)
     678            1 :             ]
     679            1 :         );
     680            1 : 
     681            1 :         tmpdir.close().unwrap();
     682            1 :     }
     683              : 
     684              :     #[tokio::test(start_paused = true)]
     685            1 :     async fn verify_parquet_regular_upload() {
     686            1 :         let tmpdir = camino_tempfile::tempdir().unwrap();
     687            1 : 
     688            1 :         let config = ParquetConfig {
     689            1 :             propeties: Arc::new(WriterProperties::new()),
     690            1 :             rows_per_group: 2_000,
     691            1 :             file_size: 1_000_000,
     692            1 :             max_duration: time::Duration::from_secs(60),
     693            1 :             test_remote_failures: 2,
     694            1 :         };
     695            1 : 
     696            1 :         let (tx, mut rx) = mpsc::unbounded_channel();
     697            1 : 
     698            1 :         tokio::spawn(async move {
     699            4 :             for _ in 0..3 {
     700            3 :                 let mut s = random_stream(3000);
     701         9003 :                 while let Some(r) = s.next().await {
     702         9000 :                     tx.send(r).unwrap();
     703         9000 :                 }
     704            3 :                 time::sleep(time::Duration::from_secs(70)).await;
     705            1 :             }
     706            1 :         });
     707            1 : 
     708         9071 :         let rx = futures::stream::poll_fn(move |cx| rx.poll_recv(cx));
     709           89 :         let file_stats = run_test(tmpdir.path(), config, rx).await;
     710            1 : 
     711            1 :         // files are smaller than the size threshold, but they took too long to fill so were flushed early
     712            1 :         assert_eq!(
     713            1 :             file_stats,
     714            1 :             [(657696, 2, 3001), (657410, 2, 3000), (657206, 2, 2999)]
     715            1 :         );
     716            1 : 
     717            1 :         tmpdir.close().unwrap();
     718            1 :     }
     719              : }
        

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