Add RocksDB

Add scripts to run ycsb on rocksdb and update readme

Author: OmSaran

README.md

@@ -124,6 +124,7 @@ SplitFS is under active development.
 5. rsync
 6. Filebench
 7. LMDB
+8. RocksDB (with YCSB)
 
 ## Testing
 [PJD POSIX Test Suite](https://www.tuxera.com/community/posix-test-suite/) that tests primarily the metadata operations was run on SplitFS successfully. SplitFS passes all tests. 

dependencies/rocskdb_deps.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+sudo apt-get update
+
+sudo apt-get install libgflags-dev
+
+sudo apt-get install libsnappy-dev
+
+sudo apt-get install zlib1g-dev
+
+sudo apt-get install libbz2-dev
+
+sudo apt-get install liblz4-dev
+
+sudo apt-get install libzstd-dev

experiments.md

@@ -18,7 +18,8 @@ We evaluate and benchmark on SplitFS using different application benchmarks like
     * `$ export PATH=$PATH:$JAVA_HOME/bin`
     * Check installation using `java -version`
     * `$ sudo apt install maven`
-
+3. RocksDB: Upgrade your gcc to version at least 4.8 to get C++11 support. For ubuntu, please run `cd dependencies ./rocksdb_deps.sh; cd..`  
+If you face any dependency issues, please refer the [doc](https://github.com/utsaslab/SplitFS/blob/master/rocksdb/INSTALL.md#dependencies)
 ---
 
 ### Kernel Setup
@@ -55,7 +56,7 @@ Note: The <num_threads> argument in the compilation scripts performs the compila
 
 ### Workload Generation
 
-1. YCSB: `cd scripts/ycsb; ./gen_workloads.sh; cd ../..` -- This will generate the YCSB workload files to be run with LevelDB, because YCSB does not natively support LevelDB, and has been added to the benchmarks of LevelDB
+1. YCSB: `cd scripts/ycsb; ./gen_workloads.sh; cd ../..` -- This will generate the YCSB workload files to be run with LevelDB & RocksDB, because YCSB does not natively support LevelDB & RocksDB(C++), and has been added to the benchmarks of LevelDB & RocksDB
 2. TPCC: `cd scripts/tpcc; ./gen_workload.sh; cd ../..` -- This will create an initial database on SQLite on which to run the TPCC workload
 3. rsync: `cd scripts/rsync/; sudo ./rsync_gen_workload.sh; cd ../..` -- This will create the rsync workload according to the backup data distribution as mentioned in the paper
 4. tar: `cd scripts/tar/; sudo ./gen_workload.sh; cd ../..` -- This will create the tar workload as mentioned in the paper
@@ -65,7 +66,7 @@ Note: The <num_threads> argument in the compilation scripts performs the compila
 
 ### Run Application Workloads
 
-1. YCSB: `cd scripts/ycsb; ./run_ycsb.sh; cd ../..` -- This will run all the YCSB workloads on LevelDB (Load A, Run A-F, Load E, Run E) with `ext4-DAX, NOVA strict, NOVA Relaxed, PMFS, SplitFS-strict`
+1. YCSB-LevelDB: `cd scripts/ycsb; ./run_ycsb.sh; cd ../..` -- This will run all the YCSB workloads on LevelDB (Load A, Run A-F, Load E, Run E) with `ext4-DAX, NOVA strict, NOVA Relaxed, PMFS, SplitFS-strict`
 2. TPCC: `cd scripts/tpcc; ./run_tpcc.sh; cd ../..` -- This will run the TPCC workload on SQLite3 with `ext4-DAX, NOVA strict, NOVA Relaxed, PMFS, SplitFS-POSIX`
 3. rsync: `cd scripts/rsync; ./run_rsync.sh; cd ../..` -- This will run the rsync workload with `ext4-DAX, NOVA strict, NOVA Relaxed, PMFS, SplitFS-sync`
 4. tar: `cd scripts/tar; ./run_tar.sh; cd ../..` -- This will run the tar workload with `ext4-DAX, NOVA strict, NOVA Relaxed, PMFS, SplitFS-POSIX, SplitFS-sync, SplitFS-strict`
@@ -78,7 +79,7 @@ Note: The <num_threads> argument in the compilation scripts performs the compila
 7. Filebench: `cd scripts/filebench; ./run_filebench.sh; cd ../..` --
    This will run the varmail workload with `ext4-DAX, NOVA strict,
    NOVA Relaxed, PMFS, SplitFS-POSIX`
-
+8. YCSB-RocksDB: `cd scripts/ycsb_rocksdb; ./run_ycsb_rocksdb.sh; cd ../..` -- This will run all the YCSB workloads on RocksDB (Load A, Run A-F, Load E, Run E) with `ext4-DAX, NOVA strict, NOVA Relaxed, PMFS, SplitFS (based on the one found in splitfs/libnvp.so)`
 ---
 
 ### Run Software Overhead Workloads

rocksdb/AUTHORS

@@ -0,0 +1,12 @@
+Facebook Inc.
+Facebook Engineering Team
+
+Google Inc.
+# Initial version authors:
+Jeffrey Dean <[email protected]>
+Sanjay Ghemawat <[email protected]>
+
+# Partial list of contributors:
+Kevin Regan <[email protected]>
+Johan Bilien <[email protected]>
+Matthew Von-Maszewski <https://github.com/matthewvon> (Basho Technologies)