From e655952829d1c8771848001c15e8f7d4f13be1b8 Mon Sep 17 00:00:00 2001
From: abbycin <abbytsing@gmail.com>
Date: Wed, 15 Oct 2025 08:57:21 +0800
Subject: [PATCH] compare mace remote store and rocksdb blobdb

---
 rocksdb/main.cpp | 45 +++++++++++++++++++++++++++++++++------------
 src/main.rs      |  1 +
 2 files changed, 34 insertions(+), 12 deletions(-)

diff --git a/rocksdb/main.cpp b/rocksdb/main.cpp
index e160940..d620c8c 100644
--- a/rocksdb/main.cpp
+++ b/rocksdb/main.cpp
@@ -1,10 +1,12 @@
 #include <algorithm>
 #include <atomic>
 #include <fmt/format.h>
+#include <memory>
 #include <random>
 #include <rocksdb/cache.h>
 #include <rocksdb/db.h>
 #include <rocksdb/options.h>
+#include <rocksdb/table.h>
 #include <rocksdb/utilities/optimistic_transaction_db.h>
 #include <rocksdb/utilities/transaction.h>
 #include <rocksdb/utilities/transaction_db.h>
@@ -76,17 +78,30 @@ int main(int argc, char *argv[]) {
         return 1;
     }
 
-    rocksdb::Options options;
+    rocksdb::ColumnFamilyOptions cfo{};
+    cfo.enable_blob_files = true;
+    cfo.min_blob_size = 1024;
+    // use 1GB block cache
+    auto cache = rocksdb::NewLRUCache(1 << 30);
+    rocksdb::BlockBasedTableOptions table_options{};
+    table_options.block_cache = cache;
+    cfo.table_factory.reset(NewBlockBasedTableFactory(table_options));
+    // the following three options makes it not trigger GC in test
+    cfo.level0_file_num_compaction_trigger = 1000;
+    cfo.write_buffer_size = 1 << 30;
+    cfo.max_write_buffer_number = 5;
+
+    std::vector<rocksdb::ColumnFamilyDescriptor> cfd{};
+    cfd.push_back(rocksdb::ColumnFamilyDescriptor("default", cfo));
+
+    rocksdb::DBOptions options;
     options.create_if_missing = true;
     options.allow_concurrent_memtable_write = true;
     options.enable_pipelined_write = true;
-    // the following three options makes it not trigger GC in test
-    options.level0_file_num_compaction_trigger = 1000;
-    options.write_buffer_size = 1 << 30;
-    options.max_write_buffer_number = 5;
 
     auto ropt = rocksdb::ReadOptions();
     auto wopt = rocksdb::WriteOptions();
+    wopt.no_slowdown = true;
     // wopt.disableWAL = true;
     std::vector<std::thread> wg;
     std::vector<std::vector<std::string>> keys{};
@@ -94,7 +109,8 @@ int main(int argc, char *argv[]) {
     rocksdb::OptimisticTransactionDB *db;
     auto b = nm::Instant::now();
     std::mutex mtx{};
-    auto s = rocksdb::OptimisticTransactionDB::Open(options, args.path, &db);
+    std::vector<rocksdb::ColumnFamilyHandle *> handles{};
+    auto s = rocksdb::OptimisticTransactionDB::Open(options, args.path, cfd, &handles, &db);
     assert(s.ok());
     std::barrier barrier{static_cast<ptrdiff_t>(args.threads)};
 
@@ -117,23 +133,27 @@ int main(int argc, char *argv[]) {
         keys.emplace_back(std::move(key));
     }
 
+    auto *handle = handles[0];
 
     if (args.mode == "get") {
         auto *kv = db->BeginTransaction(wopt);
         for (size_t tid = 0; tid < args.threads; ++tid) {
             auto *tk = &keys[tid];
             for (auto &key: *tk) {
-                kv->Put(key, val);
+                kv->Put(handle, key, val);
             }
         }
         kv->Commit();
         delete kv;
+        delete handle;
         delete db;
+        handles.clear();
         // re-open db
-        s = rocksdb::OptimisticTransactionDB::Open(options, args.path, &db);
+        s = rocksdb::OptimisticTransactionDB::Open(options, args.path, cfd, &handles, &db);
         assert(s.ok());
     }
 
+    handle = handles[0];
     for (size_t tid = 0; tid < args.threads; ++tid) {
         auto *tk = &keys[tid];
         wg.emplace_back([&] {
@@ -147,7 +167,7 @@ int main(int argc, char *argv[]) {
             if (args.mode == "insert") {
                 for (auto &key: *tk) {
                     auto *kv = db->BeginTransaction(wopt);
-                    kv->Put(key, val);
+                    kv->Put(handle, key, val);
                     kv->Commit();
                     delete kv;
                 }
@@ -155,7 +175,7 @@ int main(int argc, char *argv[]) {
             } else if (args.mode == "get") {
                 for (auto &key: *tk) {
                     auto *kv = db->BeginTransaction(wopt);
-                    kv->Get(ropt, key, &rval);
+                    kv->Get(ropt, handle, key, &rval);
                     kv->Commit();
                     delete kv;
                 }
@@ -164,9 +184,9 @@ int main(int argc, char *argv[]) {
                     auto is_insert = dist(gen) < args.insert_ratio;
                     auto *kv = db->BeginTransaction(wopt);
                     if (is_insert) {
-                        kv->Put(key, val);
+                        kv->Put(handle, key, val);
                     } else {
-                        kv->Get(ropt, key, &rval); // not found
+                        kv->Get(ropt, handle, key, &rval); // not found
                     }
                     kv->Commit();
                     delete kv;
@@ -187,6 +207,7 @@ int main(int argc, char *argv[]) {
     double ops = static_cast<double>(total_op.load(std::memory_order_relaxed)) / b.elapse_sec();
     fmt::println("{},{},{},{},{},{:.2f},{}", args.mode, args.threads, args.key_size, args.value_size, ratio, ops,
                  b.elapse_ms());
+    delete handle;
     delete db;
     std::filesystem::remove_all(args.path);
 }
diff --git a/src/main.rs b/src/main.rs
index 52b6854..fa2a80d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -76,6 +76,7 @@ fn main() {
     let mut keys: Vec<Vec<Vec<u8>>> = Vec::with_capacity(args.threads);
     let mut opt = Options::new(path);
     opt.sync_on_write = false;
+    opt.max_inline_size = 1024;
     opt.tmp_store = args.mode != "get";
     let mut saved = opt.clone();
     saved.tmp_store = false;