Merge pull request #19391 from cdauth/systemd_tasks_max

Set TasksMax in addition to LimitNPROC in systemd service files

contrib/init/systemd/docker.service

@@ -11,6 +11,7 @@ MountFlags=slave
 LimitNOFILE=1048576
 LimitNPROC=1048576
 LimitCORE=infinity
+TasksMax=1048576
 TimeoutStartSec=0
 
 [Install]

docs/articles/systemd.md

@@ -88,6 +88,7 @@ In this example, we'll assume that your `docker.service` file looks something li
     ExecStart=/usr/bin/docker daemon -H fd://
     LimitNOFILE=1048576
     LimitNPROC=1048576
+    TasksMax=1048576
 
     [Install]
     Also=docker.socket