fix: set open file num limit and KillMode in blobfuse-proxy

Author: andyzhangx

pkg/blobfuse-proxy/blobfuse-proxy.service

@@ -3,6 +3,16 @@ Description=Blobfuse proxy service
 
 [Service]
 ExecStart=/usr/bin/blobfuse-proxy --v=5 --blobfuse-proxy-endpoint=unix://var/lib/kubelet/plugins/blob.csi.azure.com/blobfuse-proxy.sock
+Delegate=yes
+KillMode=process
+Restart=always
+OOMScoreAdjust=-999
+# Having non-zero Limit*s causes performance problems due to accounting overhead
+# in the kernel. We recommend using cgroups to do container-local accounting.
+LimitNPROC=infinity
+LimitCORE=infinity
+LimitNOFILE=infinity
+TasksMax=infinity
 
 [Install]
 WantedBy=multi-user.target