TODO: test this

- using global constants for the cache, let us try out on galera if it does something useful.
ad-freiburg · Oct 8, 2020 · e946213 · e946213
1 parent 95176da
commit e946213
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Showing 3 changed files with 10 additions and 1 deletion.
diff --git a/src/engine/Server.h b/src/engine/Server.h
@@ -28,7 +28,7 @@ class Server {
       : _numThreads(numThreads),
         _serverSocket(),
         _port(port),
-        _cache(NOF_SUBTREES_TO_CACHE),
+        _cache(NOF_SUBTREES_TO_CACHE, CACHE_SIZE_IN_GB * (2ull<<30u) * sizeof(Id), MAX_SIZE_SINGLE_CACHE_ELEMENT_IN_GB * (2ull<<30u) * sizeof(Id)),
         _index(),
         _engine(),
         _initialized(false) {}

diff --git a/src/global/Constants.h b/src/global/Constants.h
@@ -10,6 +10,8 @@ static const size_t STXXL_DISK_SIZE_INDEX_BUILDER = 1000 * 1000;
 static const size_t STXXL_DISK_SIZE_INDEX_TEST = 10;
 
 static const size_t NOF_SUBTREES_TO_CACHE = 1000;
+static const size_t CACHE_SIZE_IN_GB = 30;
+static const size_t MAX_SIZE_SINGLE_CACHE_ELEMENT_IN_GB = 5;
 static const size_t MAX_NOF_ROWS_IN_RESULT = 100000;
 static const size_t MIN_WORD_PREFIX_SIZE = 4;
 static const char PREFIX_CHAR = '*';

diff --git a/src/util/CacheAdapter.h b/src/util/CacheAdapter.h
@@ -114,6 +114,13 @@ class CacheAdapter {
   }
 
   void clear() { _v.wlock()->_cache.clear();}
+  void clearAll() { _v.wlock()->_cache.clearAll();}
+
+  auto numCachedElements() const { return _v.wlock()->_cache.numCachedElements();}
+  auto numPinnedElements() const { return _v.wlock()->_cache.numPinnedElements();}
+  auto cachedSize() const {return _v.wlock()->_cache.cachedSize();}
+  auto pinnedSize() const {return _v.wlock()->_cache.pinnedSize();}
+
 
   auto& getStorage() { return _v;}