api: add rlimits to config

api/src/config.js

@@ -107,6 +107,18 @@ const options = [
         desc: 'Max size of each stdio buffer',
         default: 1024,
         validators: []
+    },
+    {
+        key: 'max_process_count',
+        desc: 'Max number of processes per job',
+        default: 64,
+        validators: []
+    },
+    {
+        key: 'max_open_files',
+        desc: 'Max number of open files per job',
+        default: 2048,
+        validators: []
     }
 ];
 

api/src/executor/job.js

@@ -71,7 +71,11 @@ class Job {
     async safe_call(file, args, timeout){
         return await new Promise((resolve, reject) => {
             const unshare = config.enable_unshare ? ['unshare','-n','-r'] : [];
-            const prlimit = ['prlimit','--nproc=64','--nofile=2048'];
+            const prlimit = [
+                'prlimit',
+                '--nproc=' + config.max_process_count,
+                '--nofile=' + config.max_open_files
+            ];
 
             const proc_call = [
                 ...prlimit,