Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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+# RDB - RocksDB Shell
+
+RDB is a NodeJS-based shell interface to RocksDB. It can also be used as a
+JavaScript binding for RocksDB within a Node application.
+
+## Setup/Compilation
+
+### Requirements
+
+* static RocksDB library (i.e. librocksdb.a)
+* libsnappy
+* node (tested onv0.10.33, no guarantees on anything else!)
+* node-gyp
+* python2 (for node-gyp; tested with 2.7.8)
+
+### Installation
+
+NOTE: If your default `python` binary is not a version of python2, add
+the arguments `--python /path/to/python2` to the `node-gyp` commands.
+
+1. Make sure you have the static library (i.e. "librocksdb.a") in the root
+directory of your rocksdb installation. If not, `cd` there and run
+`make static_lib`.
+
+2. Run `node-gyp configure` to generate the build.
+
+3. Run `node-gyp build` to compile RDB.
+
+## Usage
+
+### Running the shell
+
+Assuming everything compiled correctly, you can run the `rdb` executable
+located in the root of the `tools/rdb` directory to start the shell. The file is
+just a shell script that runs the node shell and loads the constructor for the
+RDB object into the top-level function `RDB`.
+
+### JavaScript API
+
+See `API.md` for how to use RocksDB from the shell.