Lightweight Google Cloud Storage sync Rust Client with better performance than gsutil rsync

Related tags

Filesystem rsync gcs gsutil gcs-rsync
Overview

gcs-rsync

build codecov License:MIT docs.rs crates.io crates.io (recent)

Lightweight and efficient Rust gcs rsync for Google Cloud Storage.

gcs-sync is faster than gsutil rsync when files change a lot while performance is similar to gsutil when there is no changes.

How to install

cargo install --example gcs-rsync gcs-rsync

~/.cargo/bin/gcs-rsync

Benchmark

Important note about gsutil: The gsutils ls command does not list all object items by default but instead list all prefixes while adding the -r flag slowdown gsutil performance. The ls performance command is very different to the rsync implementation.

new files only (first time sync)

  • gcs-sync: 2.2s/7MB
  • gsutil: 9.93s/47MB

winner: gcs-sync

gcs-sync sync bench

rm -rf ~/Documents/test4 && cargo build --release --examples && /usr/bin/time -lp -- ./target/release/examples/bucket_to_folder_sync
real         2.20
user         0.13
sys          0.21
             7606272  maximum resident set size
                   0  average shared memory size
                   0  average unshared data size
                   0  average unshared stack size
                1915  page reclaims
                   0  page faults
                   0  swaps
                   0  block input operations
                   0  block output operations
                 394  messages sent
                1255  messages received
                   0  signals received
                  54  voluntary context switches
                5814  involuntary context switches
           636241324  instructions retired
           989595729  cycles elapsed
             3895296  peak memory footprint

gsutil sync bench

rm -rf ~/Documents/gsutil_test4 && mkdir ~/Documents/gsutil_test4 && /usr/bin/time -lp --  gsutil -m -q rsync -r gs://dev-bucket/sync_test4/ ~/Documents/gsutil_test4/
Operation completed over 215 objects/50.3 KiB.
real         9.93
user         8.12
sys          2.35
            47108096  maximum resident set size
                   0  average shared memory size
                   0  average unshared data size
                   0  average unshared stack size
              196391  page reclaims
                   1  page faults
                   0  swaps
                   0  block input operations
                   0  block output operations
               36089  messages sent
               87309  messages received
                   5  signals received
               38401  voluntary context switches
               51924  involuntary context switches
            12986389  instructions retired
            12032672  cycles elapsed
              593920  peak memory footprint

no change (second time sync)

  • gcs-sync: 1.79s/8MB
  • gsutil: 2.18s/47MB

winner: no clear winner, but at least gcs-sync perf is similar to gsutil rync when there is no modification (which is quite rare).

gcs-sync sync bench

cargo build --release --examples && /usr/bin/time -lp -- ./target/release/examples/bucket_to_folder_sync
real         1.79
user         0.13
sys          0.12
             7864320  maximum resident set size
                   0  average shared memory size
                   0  average unshared data size
                   0  average unshared stack size
                1980  page reclaims
                   0  page faults
                   0  swaps
                   0  block input operations
                   0  block output operations
                 397  messages sent
                1247  messages received
                   0  signals received
                  42  voluntary context switches
                4948  involuntary context switches
           435013936  instructions retired
           704782682  cycles elapsed
             4141056  peak memory footprint

gsutil sync bench

/usr/bin/time -lp --  gsutil -m -q rsync -r gs://test-bucket/sync_test4/ ~/Documents/gsutil_test4/
real         2.18
user         1.37
sys          0.66
            46899200  maximum resident set size
                   0  average shared memory size
                   0  average unshared data size
                   0  average unshared stack size
              100108  page reclaims
                1732  page faults
                   0  swaps
                   0  block input operations
                   0  block output operations
                6311  messages sent
               12752  messages received
                   4  signals received
                6145  voluntary context switches
               14219  involuntary context switches
            13133297  instructions retired
            13313536  cycles elapsed
              602112  peak memory footprint

gsutil rsync config

gsutil -m -q rsync -r -d ./your-dir gs://your-bucket
/usr/bin/time -lp --  gsutil -m -q rsync -r gs://dev-bucket/sync_test4/ ~/Documents/gsutil_test4/

About authentication

All default functions related to authentication use GOOGLE_APPLICATION_CREDENTIALS env var as default conf like official Google libraries do on other languages (golang, dotnet)

Other functions (from and from_file) provide the custom integration mode.

For more info about OAuth2, see the related README in the oauth2 mod.

How to run tests

Unit tests

cargo test --lib

Integration tests + Unit tests

TEST_SERVICE_ACCOUNT=<PathToAServiceAccount> TEST_BUCKET=<BUCKET> TEST_PREFIX=<PREFIX> cargo test --no-fail-fast

Examples

Upload object

cargo run --release --example upload_object "<YourBucket>" "<YourPrefix>" "<YourFilePath>"

Download object

cargo run --release --example download_object "<YourBucket>" "<YourObjectName>" "<YourAbsoluteExistingDirectory>"

Delete object

cargo run --release --example delete_object "<YourBucket>" "<YourPrefix>/<YourFileName>"

List objects

cargo run --release --example list_objects "<YourBucket>" "<YourPrefix>"

List objects with default service account

GOOGLE_APPLICATION_CREDENTIALS=<PathToJson> cargo r --release --example list_objects_service_account "<YourBucket>" "<YourPrefix>"

List objects

list a bucket having more than 60K objects

time cargo run --release --example list_objects "<YourBucket>" "<YourPrefixHavingMoreThan60K>" | wc -l

Profiling

Humans are terrible at guessing-about-performance

export CARGO_PROFILE_RELEASE_DEBUG=true
sudo -- cargo flamegraph --example list_objects "<YourBucket>" "<YourPrefixHavingMoreThan60K>"
cargo build --release --examples && /usr/bin/time -lp -- ./target/release/examples/list_objects "<YourBucket>" "<YourPrefixHavingMoreThan60K>"

Native bin build (static shared lib)

docker rust rust:alpine3.14
apk add --no-cache musl-dev pkgconfig openssl-dev

LDFLAGS="-static -L/usr/local/musl/lib" LD_LIBRARY_PATH=/usr/local/musl/lib:$LD_LIBRARY_PATH CFLAGS="-I/usr/local/musl/include" PKG_CONFIG_PATH=/usr/local/musl/lib/pkgconfig cargo build --release --target=x86_64-unknown-linux-musl --example bucket_to_folder_sync

TODO

  • OAuth2 service account (default, from and from_file)
  • OAuth2 dev (default, from and from_file)
  • OAuth2 Integration tests + examples
  • Useful diagnostic on error (raw json response)
  • List objects with better performance than gsutil by supporting GCS Partial Response
  • Upload/Download/Get/Delete objects + Integrations tests and examples
  • Sync local folder (one way sync without delete remote files with crc32c support)
  • Mirror local folder (sync + delete remotes files)
  • Benchmarks
  • Sync/Mirror integration tests
  • Doc crate
  • CI/CD
  • Publish crate
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Comments
  • [Reworked] GCP metadata server credentials support

    [Reworked] GCP metadata server credentials support

    This is a picked version of #16 of @bryancymo to support google metadata token api integrated into one gcs-rsync example bin.

    This version uses a dyn trait over TokenGenerator to avoid static dispatch issue when it comes to use the api.

    In the end, only one gcs-rsync bin will be available and the feature can be activated by adding a flag : -u, --use-metadata-token-api

    ⚠️ This version breaks the compatibility over the TokenGenerator dyn trait

    • [x] Use TokenGenerator dyn trait to switch between AuthorizedUser/Metadata in gcs-rsync example
    • [x] Fix new clippy errors
    • [x] Upgrade to Rust 2021
    • [x] Provide a new conf to make integration tests working
    opened by cboudereau 4
  • GCP metadata server credentials support

    GCP metadata server credentials support

    Added credentials functions to acquire tokens from the GCP Metadata servers when running on GCP infrastructure. This allows the application to utilise the VM's native service account or in case of GKE the Workload Identity service account, in doing so eliminating the need to embed credentials as files.

    opened by bryancymo 3
  • feat: publish as docker image

    feat: publish as docker image

    publish as docker image

    • reqwest rustls-tls for alpine based image
    • workflow publish/push to push image to docker hub
    • readme docker commands
    • dockerfile and ignore
    opened by cboudereau 1
  • rsync from a list of files

    rsync from a list of files

    Hi,

    I have a huuge dataset and I only want to sync some of the files. The traditional rsync allows for that (using --files-from), but the rsync on gsutil does not have this functionality.

    Does your implementation allow such a thing? If not, can this be implemented?

    opened by bernardohenz 2
Releases(v0.2.1)
Owner
@cboudereau
@cboudereau
GitHub https://docs.rs/gcs-rsync/
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