Increase allowed shared memory regions to 512 from ~120

src/storage/storage.cpp

@@ -66,7 +66,7 @@ struct RegionHandle
 {
     std::unique_ptr<SharedMemory> memory;
     char *data_ptr;
-    std::uint8_t shm_key;
+    std::uint16_t shm_key;
 };
 
 auto setupRegion(SharedRegionRegister &shared_register, const DataLayout &layout)

src/tools/store.cpp

@@ -82,7 +82,8 @@ void springClean()
     }
     else
     {
-        for (auto key : util::irange<std::uint8_t>(0, storage::SharedRegionRegister::MAX_SHM_KEYS))
+        for (auto key : util::irange<storage::SharedRegionRegister::RegionID>(
+                 0, storage::SharedRegionRegister::MAX_SHM_KEYS))
         {
             deleteRegion(key);
         }