rocksdb/tools/generate_random_db.sh
sdong ee9bdd38a1 Script to check whether RocksDB can read DB generated by previous releases and vice versa
Summary: Add a script, which checks out changes from a list of tags, build them and load the same data into it. In the last, checkout the target build and make sure it can successfully open DB and read all the data. It is implemented through ldb tool, because ldb tool is available from all previous builds so that we don't have to cross build anything.

Test Plan: Run the script.

Reviewers: yhchiang, rven, anthony, kradhakrishnan, igor

Reviewed By: igor

Subscribers: leveldb, dhruba

Differential Revision: https://reviews.facebook.net/D36639
2015-04-08 16:04:59 -07:00

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#!/bin/bash
#
# A shell script to load some pre generated data file to a DB using ldb tool
# ./ldb needs to be avaible to be executed.
#
# Usage: <SCRIPT> <input_data_path> <DB Path>
if [ "$#" -lt 2 ]; then
echo "usage: $BASH_SOURCE <input_data_path> <DB Path>"
exit 1
fi
input_data_dir=$1
db_dir=$2
rm -rf $db_dir
echo == Loading data from $input_data_dir to $db_dir
declare -a compression_opts=("no" "snappy" "zlib" "bzip2")
set -e
n=0
for f in `ls -1 $input_data_dir`
do
echo == Loading $f with compression ${compression_opts[n % 4]}
./ldb load --db=$db_dir --compression_type=${compression_opts[n % 4]} --bloom_bits=10 --auto_compaction=false --create_if_missing < $input_data_dir/$f
let "n = n + 1"
done