42 lines
1.3 KiB
YAML
42 lines
1.3 KiB
YAML
# 给每个节点下发 NFS 客户端 sunrpc 调优参数（用户提供的腾讯云侧经验值）：
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# options sunrpc tcp_slot_table_entries=128
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# options sunrpc tcp_max_slot_table_entries=128
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# 写到 /etc/modprobe.d/sunrpc.conf，节点下次加载 sunrpc 模块时生效（持久）。
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# 高并发 NFS 下可避免 "RPC: task blocked"。放在 kube-system，跑完可删。
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apiVersion: apps/v1
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kind: DaemonSet
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metadata:
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name: sunrpc-tuning
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namespace: kube-system
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spec:
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selector:
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matchLabels:
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app: sunrpc-tuning
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template:
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metadata:
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labels:
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app: sunrpc-tuning
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spec:
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hostPID: false
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containers:
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- name: write
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image: registry.example.com/dsh/dshs:0.2.0
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command:
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- sh
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- -ec
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- |
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mkdir -p /host/etc/modprobe.d
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printf 'options sunrpc tcp_slot_table_entries=128\noptions sunrpc tcp_max_slot_table_entries=128\n' > /host/etc/modprobe.d/sunrpc.conf
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echo "wrote sunrpc.conf:"; cat /host/etc/modprobe.d/sunrpc.conf
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sleep infinity
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securityContext:
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privileged: true
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volumeMounts:
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- name: modprobe
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mountPath: /host/etc/modprobe.d
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volumes:
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- name: modprobe
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hostPath:
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path: /etc/modprobe.d
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type: DirectoryOrCreate
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