75c6ffb9de
Summary: WITH_GFLAGS option does not work on MSVC. I checked the usage of [CMAKE_DEPENDENT_OPTION](https://cmake.org/cmake/help/latest/module/CMakeDependentOption.html). It says if the `depends` condition is not true, it will set the `option` to the value given by `force` and hides the option from the user. Therefore, `CMAKE_DEPENDENT_OPTION(WITH_GFLAGS "build with GFlags" ON "NOT MSVC;NOT MINGW" OFF)` will hide WITH_GFLAGS option from user if it is running on MSVC or MINGW and always set WITH_GFLAGS to be OFF. To expose WITH_GFLAGS option to user, I removed CMAKE_DEPENDENT_OPTION and split the logic into if-else statements Pull Request resolved: https://github.com/facebook/rocksdb/pull/7990 Reviewed By: jay-zhuang Differential Revision: D26615755 Pulled By: ajkr fbshipit-source-id: 33ca39a73423d9516510c15aaf9efb5c4072cdf9
RocksDB: A Persistent Key-Value Store for Flash and RAM Storage
RocksDB is developed and maintained by Facebook Database Engineering Team. It is built on earlier work on LevelDB by Sanjay Ghemawat (sanjay@google.com) and Jeff Dean (jeff@google.com)
This code is a library that forms the core building block for a fast key-value server, especially suited for storing data on flash drives. It has a Log-Structured-Merge-Database (LSM) design with flexible tradeoffs between Write-Amplification-Factor (WAF), Read-Amplification-Factor (RAF) and Space-Amplification-Factor (SAF). It has multi-threaded compactions, making it especially suitable for storing multiple terabytes of data in a single database.
Start with example usage here: https://github.com/facebook/rocksdb/tree/master/examples
See the github wiki for more explanation.
The public interface is in include/. Callers should not include or
rely on the details of any other header files in this package. Those
internal APIs may be changed without warning.
Design discussions are conducted in https://www.facebook.com/groups/rocksdb.dev/ and https://rocksdb.slack.com/
License
RocksDB is dual-licensed under both the GPLv2 (found in the COPYING file in the root directory) and Apache 2.0 License (found in the LICENSE.Apache file in the root directory). You may select, at your option, one of the above-listed licenses.