Merge pull request steemit#1141 from steemit/increase-shared-mem

increase default shared file size to 48gb

libraries/app/application.cpp

@@ -970,7 +970,7 @@ void application::set_program_options(boost::program_options::options_descriptio
          ("seed-node,s", bpo::value<vector<string>>()->composing(), "P2P nodes to connect to on startup (may specify multiple times)")
          ("checkpoint,c", bpo::value<vector<string>>()->composing(), "Pairs of [BLOCK_NUM,BLOCK_ID] that should be enforced as checkpoints.")
          ("shared-file-dir", bpo::value<string>(), "Location of the shared memory file. Defaults to data_dir/blockchain")
-         ("shared-file-size", bpo::value<string>()->default_value("32G"), "Size of the shared memory file. Default: 32G")
+         ("shared-file-size", bpo::value<string>()->default_value("54G"), "Size of the shared memory file. Default: 54G")
          ("rpc-endpoint", bpo::value<string>()->implicit_value("127.0.0.1:8090"), "Endpoint for websocket RPC to listen on")
          ("rpc-tls-endpoint", bpo::value<string>()->implicit_value("127.0.0.1:8089"), "Endpoint for TLS websocket RPC to listen on")
          ("read-forward-rpc", bpo::value<string>(), "Endpoint to forward write API calls to for a read node" )