small fix

include/leveldb/options.h

@@ -118,7 +118,7 @@ struct LEVELDB_EXPORT Options {
   // initially populating a large database.
   size_t max_file_size = 2 * 1024 * 1024;
 
-  size_t gc_size_threshold = 128 * 1024 * 1024;
+  size_t gc_size_threshold = 100 * 1024 * 1024;
 
   // Compress blocks using the specified compression algorithm.  This
   // parameter can be changed dynamically.

test/test_bench_gc.cc

@@ -11,7 +11,7 @@ using namespace leveldb;
 // Number of key/values to operate in database
 constexpr int num_ = 100000;
 // Size of each value
-constexpr int value_size_ = 1000;
+constexpr int value_size_ = 2000;
 // Number of read operations
 constexpr int reads_ = 100000;
 // Number of findkeysbyfield operations
@@ -42,7 +42,7 @@ void InsertData(DB *db, std::vector &lats) {
     int key_ = rand() % num_+1;
     int value_ = std::rand() % (num_ + 1);
     int value_size = value_range(value_seed);
-    std::string value(value_size, 'a');
+    std::string value(value_size_, 'a');
     std::string key = std::to_string(key_);
     FieldArray field_array = {
       {"1", value},