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Merge pull request #7 from utsaslab/block-size-param
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Adding block_size as a configurable parameter to db_bench
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pandian4github authored Mar 30, 2018
2 parents 3a49639 + 71c6fd4 commit 09c706d
Showing 1 changed file with 7 additions and 1 deletion.
8 changes: 7 additions & 1 deletion db/db_bench.cc
Original file line number Diff line number Diff line change
Expand Up @@ -122,6 +122,9 @@ static int FLAGS_cache_size = -1;
// Maximum number of files to keep open at the same time (use default if == 0)
static int FLAGS_open_files = 0;

// Amount of data per block (initialized to default value by "main")
static int FLAGS_block_size = 0;

// Number of next operations to do in a ScanRandom workload
static int FLAGS_num_next = 1;

Expand Down Expand Up @@ -1191,6 +1194,7 @@ class Benchmark {
options.block_cache = cache_;
options.write_buffer_size = FLAGS_write_buffer_size;
options.max_open_files = FLAGS_open_files;
options.block_size = FLAGS_block_size;
options.filter_policy = filter_policy_;
Status s = DB::Open(options, FLAGS_db, &db_);
if (!s.ok()) {
Expand Down Expand Up @@ -1582,7 +1586,7 @@ class Benchmark {
int main(int argc, char** argv) {
FLAGS_write_buffer_size = leveldb::Options().write_buffer_size;
FLAGS_open_files = leveldb::Options().max_open_files;
FLAGS_open_files = 1000;
FLAGS_block_size = leveldb::Options().block_size;
std::string default_db_path;

for (int i = 1; i < argc; i++) {
Expand Down Expand Up @@ -1615,6 +1619,8 @@ int main(int argc, char** argv) {
FLAGS_write_buffer_size = n;
} else if (sscanf(argv[i], "--cache_size=%d%c", &n, &junk) == 1) {
FLAGS_cache_size = n;
} else if (sscanf(argv[i], "--block_size=%d%c", &n, &junk) == 1) {
FLAGS_block_size = n;
} else if (sscanf(argv[i], "--bloom_bits=%d%c", &n, &junk) == 1) {
FLAGS_bloom_bits = n;
} else if (sscanf(argv[i], "--open_files=%d%c", &n, &junk) == 1) {
Expand Down

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