红帽全球峰会4.2.2. 增加文件描述符
如果 Ceph 对象网关缺少文件描述符，它可能会挂起。修改 Ceph 对象网关节点上的 /etc/security/limits.conf，以增加 Ceph 对象网关的文件描述符。例如：
ceph soft nofile unlimited
ceph soft nofile unlimited
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