Merge pull request #72 from IntelLabs/feature_pmgd_alloc_params

Add PMGD num_allocators to config file

src/PMGDQueryHandler.cc

@@ -46,9 +46,18 @@ PMGD::Graph *PMGDQueryHandler::_db;
 void PMGDQueryHandler::init()
 {
     std::string dbname = VDMSConfig::instance()->get_path_pmgd();
+    int nalloc = VDMSConfig::instance()->
+        get_int_value(PARAM_PMGD_NUM_ALLOCATORS, DEFAULT_PMGD_NUM_ALLOCATORS);
+
+    PMGD::Graph::Config config;
+    config.num_allocators = nalloc;
+
+    // TODO: Include allocators timeouts params as parameters for VDMS.
+    // These parameters can be loaded everytime VDMS is run.
+    // We need PMGD to support these as config params before we can do it here.
 
     // Create a db
-    _db = new PMGD::Graph(dbname.c_str(), PMGD::Graph::Create);
+    _db = new PMGD::Graph(dbname.c_str(), PMGD::Graph::Create, &config);
 }
 
 void PMGDQueryHandler::destroy()

src/VDMSConfig.h

@@ -44,6 +44,9 @@
 #define PARAM_DB_BLOBS          "blobs_path"
 #define PARAM_DB_DESCRIPTORS    "descriptors_path"
 
+#define PARAM_PMGD_NUM_ALLOCATORS   "pmgd_num_allocators"
+#define DEFAULT_PMGD_NUM_ALLOCATORS 1
+
 namespace VDMS{
 
     class VDMSConfig