[fix]clean code and set local_rank_size to tp_size

ucm/integration/vllm/ucm_connector.py

@@ -213,6 +213,7 @@ def _create_store(
             config["block_size"] = chunk_block_size
             if self.is_dsa or self.is_mla:
                 config["share_buffer_enable"] = True
+                config["local_rank_size"] = self.tp_size
             else:
                 config["share_buffer_enable"] = False
             store = UcmConnectorFactoryV1.create_connector(name, config)

ucm/store/pcstore/cc/domain/file/ifile.h

@@ -52,7 +52,7 @@ class IFile {
     using FileStat = struct stat64;
 
 public:
-    IFile(const std::string& path) : path_{path} {}
+    explicit IFile(const std::string& path) : path_{path} {}
     virtual ~IFile() = default;
     const std::string& Path() const { return this->path_; }
     virtual Status MkDir() = 0;

ucm/store/pcstore/cc/domain/file/posix_file.h

@@ -30,7 +30,7 @@ namespace UC {
 
 class PosixFile : public IFile {
 public:
-    PosixFile(const std::string& path) : IFile{path}, handle_{-1} {}
+    explicit PosixFile(const std::string& path) : IFile{path}, handle_{-1} {}
     ~PosixFile() override;
     Status MkDir() override;
     Status RmDir() override;

ucm/store/pcstore/cc/domain/trans/share_buffer.cc

@@ -136,6 +136,7 @@ void CleanUpShmFileExceptMe(const std::string& me)
             if (now - lwt <= keepThreshold) { continue; }
             fs::remove(path);
         } catch (...) {
+            // Ignore filesystem errors;
         }
     }
 }