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53 lines
2.3 KiB
53 lines
2.3 KiB
rust-rocksdb
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============
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[](https://travis-ci.org/rust-rocksdb/rust-rocksdb)
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[](https://crates.io/crates/rocksdb)
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[](https://docs.rs/rocksdb)
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[](https://github.com/rust-rocksdb/rust-rocksdb/blob/master/LICENSE)
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[](https://gitter.im/rust-rocksdb/lobby)
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## Requirements
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- Clang and LLVM
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## Contributing
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Feedback and pull requests welcome! If a particular feature of RocksDB is
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important to you, please let me know by opening an issue, and I'll
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prioritize it.
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## Usage
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This binding is statically linked with a specific version of RocksDB. If you
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want to build it yourself, make sure you've also cloned the RocksDB and
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compression submodules:
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git submodule update --init --recursive
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## Compression Support
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By default, support for the [Snappy](https://github.com/google/snappy),
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[LZ4](https://github.com/lz4/lz4), [Zstd](https://github.com/facebook/zstd),
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[Zlib](https://zlib.net), and [Bzip2](http://www.bzip.org) compression
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is enabled through crate features. If support for all of these compression
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algorithms is not needed, default features can be disabled and specific
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compression algorithms can be enabled. For example, to enable only LZ4
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compression support, make these changes to your Cargo.toml:
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```
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[dependencies.rocksdb]
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default-features = false
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features = ["lz4"]
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```
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## Multi-threaded ColumnFamily alternation
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The underlying RocksDB does allow column families to be created and dropped
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from multiple threads concurrently. But this crate doesn't allow it by default
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for compatibility. If you need to modify column families concurrently, enable
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crate feature called `multi-threaded-cf`, which makes this binding's
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data structures to use RwLock by default. Alternatively, you can directly create
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`DBWithThreadMode<MultiThreaded>` without enabling the crate feature.
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