Further CPU Experimental Changes

server/services/collectors/dmcache.js

@@ -10,6 +10,7 @@ import fs from 'fs'
 import path from 'path'
 import { CollectorPlugin } from './plugin.js'
 import { registerChart } from '../../../shared/metrics.js'
+import { readFileBuf } from '../../utils/fd-cache.js'
 import { execFile } from '../../utils/exec.js'
 import logger from '../../utils/logger.js'
 
@@ -39,11 +40,7 @@ export function isDmcacheEnabled() {
 }
 
 function readFile(p) {
-  try {
-    return fs.readFileSync(p, 'utf8')
-  } catch {
-    return null
-  }
+  return readFileBuf(p)
 }
 
 /**