Obtain the memory status (in Byte) of the OLAP cache engine on the current node.
It returns a tuple:
The 1st element indicates the memory occupied by the cache engine;
The 2nd element indicates the memory occupied by the column files stored in the cache engine;
The 3rd element indicates the memory occupied by the column file pointers;
The 4th element indicates the maximum memory allocated to the cache engine.
$ setCacheEngineMemSize(0.4) $ getCacheEngineMemSize() $ (0,0,0,429496729)
Related Function: setCacheEngineMemSize