Set systemd LimitNOFILE to infinite

Wiebe Cazemier
1 parent b2a0ffde
Showing 2 changed files with 3 additions and 2 deletions
debian/flashmq.service
mainapp.cpp
@@ -6,7 +6,7 @@ After=network.target
 Type=simple
 User=root
 Group=root
-LimitNOFILE=1000000
+LimitNOFILE=infinity
 ExecStart=/usr/bin/FlashMQ --config-file /etc/flashmq/flashmq.conf
 ExecReload=/bin/kill -HUP $MAINPID
 Restart=on-failure
@@ -707,7 +707,8 @@ void MainApp::setlimits()
     struct rlimit v = { nofile, nofile };
     if (setrlimit(RLIMIT_NOFILE, &v) < 0)
     {
-        logger->logf(LOG_ERR, "Setting ulimit nofile failed: '%s'. This means the default is used.", strerror(errno));
+        logger->logf(LOG_ERR, "Setting ulimit nofile failed: '%s'. This means the default is used. Note. It's also subject to systemd's 'LimitNOFILE', "
+                              "which in turn is maxed to '/proc/sys/fs/nr_open', which can be set like 'sysctl fs.nr_open=15000000'", strerror(errno));
     }
 }