switch metrics from bytes to gb

Author: terrywbrady

app/lib/client/zk/mrtzk.rb

@@ -91,7 +91,7 @@ def metrics
 
           zk.children("/batches/#{bid}/states/batch-processing").sort.each do |jid|
             if zk.exists?("/jobs/#{jid}/space_needed")
-              metrics[:bytes_in_process] += zk.get("/jobs/#{jid}/space_needed")[0].to_i
+              metrics[:gb_in_process] += zk.get("/jobs/#{jid}/space_needed")[0].to_f
             end
           end
         end

app/lib/routes/services.rb

@@ -572,7 +572,7 @@ def self.registered(app)
         end
         metrics.merge!({
           number_of_active_replications: repcount,
-          number_of_bytes_to_be_replicated: repbytes,
+          gb_to_be_replicated: repbytes / 1_000_000_000.0,
           oldest_audit_in_days: UC3Query::QueryClient.client.run_query_get_val(
             '/queries/misc/oldest-audit-in-days', 'days_since_today'
           )