Allows to collect RocksDB statistics

Hidden behind the "rocksdb_debug" features

lib/Cargo.toml

@@ -20,6 +20,7 @@ all-features = true
 [features]
 default = []
 http_client = ["oxhttp", "oxhttp/rustls"]
+rocksdb_debug = []
 
 [dependencies]
 rand = "0.8"

lib/src/storage/backend/rocksdb.rs

@@ -212,6 +212,12 @@ impl Db {
                 16,
             );
             rocksdb_options_set_block_based_table_factory(options, block_based_table_options);
+            #[cfg(feature = "rocksdb_debug")]
+            {
+                rocksdb_options_set_info_log_level(options, 0);
+                rocksdb_options_enable_statistics(options);
+                rocksdb_options_set_stats_dump_period_sec(options, 60);
+            }
 
             let (column_family_names, c_column_family_names, cf_options) =
                 Self::column_families_names_and_options(column_families, options);