• Stars
    star
    1,018
  • Rank 43,064 (Top 0.9 %)
  • Language
    C++
  • License
    Apache License 2.0
  • Created over 4 years ago
  • Updated about 2 months ago

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Repository Details

Pluggable in-process caching engine to build and scale high performance services

CacheLib

CacheLib

Pluggable caching engine to build and scale high performance cache services. See www.cachelib.org for documentation and more information.

What is CacheLib ?

CacheLib is a C++ library providing in-process high performance caching mechanism. CacheLib provides a thread safe API to build high throughput, low overhead caching services, with built-in ability to leverage DRAM and SSD caching transparently.

Performance benchmarking

CacheLib provides a standalone executable CacheBench that can be used to evaluate the performance of heuristics and caching hardware platforms against production workloads. Additionally CacheBench enables stress testing implementation and design changes to CacheLib to catch correctness and performance issues.

See CacheBench for usage details and examples.

Versioning

CacheLib has one single version number facebook::cachelib::kCachelibVersion that can be located at CacheVersion.h. This version number must be incremented when incompatible changes are introduced. A change is incompatible if it could cause a complication failure due to removing public API or requires dropping the cache. Details about the compatibility information when the version number increases can be found in the changelog.

Building and installation

CacheLib provides a build script which prepares and installs all dependencies and prerequisites, then builds CacheLib. The build script has been tested to work on CentOS 8, Ubuntu 18.04, and Debian 10.

git clone https://github.com/facebook/CacheLib
cd CacheLib
./contrib/build.sh -d -j -v

# The resulting library and executables:
./opt/cachelib/bin/cachebench --help

Re-running ./contrib/build.sh will update CacheLib and its dependencies to their latest versions and rebuild them.

See build for more details about the building and installation process.

Contributing

We'd love to have your help in making CacheLib better. If you're interested, please read our guide to contributing

License

CacheLib is apache licensed, as found in the LICENSE file.

Reporting and Fixing Security Issues

Please do not open GitHub issues or pull requests - this makes the problem immediately visible to everyone, including malicious actors. Security issues in CacheLib can be safely reported via Facebook's Whitehat Bug Bounty program:

https://www.facebook.com/whitehat

Facebook's security team will triage your report and determine whether or not is it eligible for a bounty under our program.

Build status

Clicking on a badge will show you the recent builds for that OS. If your target OS's build is failing, you may wish to check recent issues and PRs for known workarounds.

  • CentOS 8.1
  • CentOS 8.5
  • Debian 10
  • Fedora 36
  • Rocky Linux 8
  • Rocky Linux 9
  • Ubuntu 18
  • Ubuntu 20
  • Ubuntu 22

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