Hi Matas,  Can you please have a look at this KB and tell us if that's the case, do you have NUMA enabled and each "node" holds part of the RAM memory?  [URL]  Many thanks, Pawel
Hello, was anyone able to setup more than 49GB or RAM Cache memory ?  Our SDS nodes have 128 GB of RAM , and according documentation :  The amount of RAM you can allocate for cache is limited by the amount of RAM on the SDS server: ◆ If the RAM is less than 32 GB, 50% of memory can be used for cache ◆ If the RAM is more than 32 GB, 75% of memory can be used for cache  But we cannot set value bigger than 49GB.  Thanks, Matas
ScaleIO RAM CAHCE limits