Small update to send all work to be done up to the Master thread. This should help deal with the fact that shares must be sent by one of the nodes that handles data.

lib/pool.js

@@ -90,6 +90,11 @@ function messageHandler(message) {
                 minerCount[message.data] += 1;
             }
             break;
+        case 'sendRemote':
+            if (cluster.isMaster) {
+                global.database.sendQueue.push(Buffer.from(message.data, 'hex'));
+            }
+            break;
     }
 }
 

lib/remote_comms.js

@@ -20,7 +20,7 @@ function Database() {
             function () {
                 callback();
             });
-    }, 32);
+    }, 128);
 
     this.storeShare = function (blockId, shareData) {
         let wsData = global.protos.WSData.encode({
@@ -29,8 +29,7 @@ function Database() {
             msg: shareData,
             exInt: blockId
         });
-        this.sendQueue.push({body: wsData}, function () {
-        });
+        process.send({type: 'sendRemote', body: wsData.toString('hex')});
     };
 
     this.storeBlock = function (blockId, blockData) {
@@ -40,8 +39,7 @@ function Database() {
             msg: blockData,
             exInt: blockId
         });
-        this.sendQueue.push({body: wsData}, function () {
-        });
+        process.send({type: 'sendRemote', body: wsData.toString('hex')});
     };
 
     this.storeInvalidShare = function (minerData) {
@@ -51,8 +49,7 @@ function Database() {
             msg: minerData,
             exInt: 1
         });
-        this.sendQueue.push({body: wsData}, function () {
-        });
+        process.send({type: 'sendRemote', body: wsData.toString('hex')});
     };
 
     this.initEnv = function(){