Add new mem manager

Former-commit-id: 577ceb1dbbe4b2aa0565f3363a3ca4d495a4f1b6

cpp/CHANGELOG.md

@@ -17,7 +17,6 @@ Please mark all change in change log and use the ticket from JIRA.
 - MS-152 - Delete assert in MySQLMetaImpl and change MySQLConnectionPool impl
 
 ## New Feature
-- MS-137 - Integrate knowhere
 - MS-180 - Add new mem manager
 
 ## Task

cpp/src/db/MemManagerAbstract.h

@@ -22,6 +22,12 @@ class MemManagerAbstract {
 
     virtual size_t GetCurrentMem() = 0;
 
+    virtual size_t GetCurrentMutableMem() = 0;
+
+    virtual size_t GetCurrentImmutableMem() = 0;
+
+    virtual size_t GetCurrentMem() = 0;
+
 }; // MemManagerAbstract
 
 using MemManagerAbstractPtr = std::shared_ptr<MemManagerAbstract>;

cpp/src/db/MemTable.h

@@ -6,7 +6,6 @@
 
 #include <mutex>
 
-
 namespace zilliz {
 namespace milvus {
 namespace engine {

cpp/src/db/NewMemManager.cpp

@@ -5,7 +5,6 @@
 
 #include <thread>
 
-
 namespace zilliz {
 namespace milvus {
 namespace engine {
@@ -77,7 +76,6 @@ Status NewMemManager::Serialize(std::set<std::string> &table_ids) {
         table_ids.insert(mem->GetTableId());
     }
     immu_mem_list_.clear();
-
     return Status::OK();
 }