!18439 Enhance cache server's log path and spilling path display

Merge pull request !18439 from lixiachen/minor_cache_fix

mindspore/ccsrc/minddata/dataset/engine/cache/cache_admin_arg.cc

@@ -494,14 +494,15 @@ Status CacheAdminArgHandler::ShowServerInfo() {
   int value_w = 50;
   std::cout << "Cache Server Configuration: " << std::endl;
   std::cout << std::string(name_w + value_w, '-') << std::endl;
-  std::cout << std::setw(name_w) << "config name" << std::setw(value_w) << "value" << std::endl;
+  std::cout << std::left << std::setw(name_w) << "config name" << std::setw(value_w) << "value" << std::endl;
   std::cout << std::string(name_w + value_w, '-') << std::endl;
-  std::cout << std::setw(name_w) << "hostname" << std::setw(value_w) << hostname_ << std::endl;
-  std::cout << std::setw(name_w) << "port" << std::setw(value_w) << port_ << std::endl;
-  std::cout << std::setw(name_w) << "number of workers" << std::setw(value_w) << std::to_string(num_workers)
+  std::cout << std::left << std::setw(name_w) << "hostname" << std::setw(value_w) << hostname_ << std::endl;
+  std::cout << std::left << std::setw(name_w) << "port" << std::setw(value_w) << port_ << std::endl;
+  std::cout << std::left << std::setw(name_w) << "number of workers" << std::setw(value_w)
+            << std::to_string(num_workers) << std::endl;
+  std::cout << std::left << std::setw(name_w) << "log level" << std::setw(value_w) << std::to_string(log_level)
             << std::endl;
-  std::cout << std::setw(name_w) << "log level" << std::setw(value_w) << std::to_string(log_level) << std::endl;
-  std::cout << std::setw(name_w) << "spill dir" << std::setw(value_w) << spill_dir << std::endl;
+  std::cout << std::left << std::setw(name_w) << "spill dir" << std::setw(value_w) << spill_dir << std::endl;
   std::cout << std::string(name_w + value_w, '-') << std::endl;
 
   std::cout << "Active sessions: " << std::endl;

mindspore/ccsrc/minddata/dataset/engine/cache/cache_common.h

@@ -56,7 +56,7 @@ constexpr static uint32_t kDataIsInSharedMemory = 2;
 /// \brief Size of each message used in message queue.
 constexpr static int32_t kSharedMessageSize = 2048;
 /// \brief The default common path for all users
-const char kDefaultCommonPath[] = "/tmp/mindspore/";
+const char kDefaultCommonPath[] = "/tmp/mindspore";
 
 /// \brief State of CacheService at the server.
 enum class CacheServiceState : int8_t {
@@ -83,7 +83,7 @@ inline std::string DefaultUserDir() {
   char user[LOGIN_NAME_MAX];
   int rc = getlogin_r(user, sizeof(user));
   if (rc == 0) {
-    return kDefaultCommonPath + std::string(user);
+    return kDefaultCommonPath + std::string("/") + std::string(user);
   } else {
     return kDefaultCommonPath;
   }