Nebula Graph 在 CentOS 6.5 上失败答案

【问题标题】：Nebula Graph fails on CentOS 6.5Nebula Graph 在 CentOS 6.5 上失败
【发布时间】：2020-04-20 05:32:33
【问题描述】：

Nebula Graph 在 CentOS 6.5 上失败，错误信息如下：

# storage log
Heartbeat failed, status:RPC failure in MetaClient: N6apache6thrift9transport19TTransportExceptionE: AsyncSocketException: connect failed, type = Socket not open, errno = 111 (Connection refused): Connection refused

# meta log
Log line format: [IWEF]mmdd hh:mm:ss.uuuuuu threadid file:line] msg
E0415 22:32:38.944437 15532 AsyncServerSocket.cpp:762] failed to set SO_REUSEPORT on async server socket Protocol not available
E0415 22:32:38.945001 15510 ThriftServer.cpp:440] Got an exception while setting up the server: 92failed to bind to async server socket: [::]:0: Protocol not available
E0415 22:32:38.945057 15510 RaftexService.cpp:90] Setup the Raftex Service failed, error: 92failed to bind to async server socket: [::]:0: Protocol not available
E0415 22:32:38.949586 15463 NebulaStore.cpp:47] Start the raft service failed
E0415 22:32:38.949597 15463 MetaDaemon.cpp:88] Nebula store init failed
E0415 22:32:38.949796 15463 MetaDaemon.cpp:215] Init kv failed!

星云服务状态如下：

[root@redhat6 scripts]# ./nebula.service status  all
[WARN] The maximum files allowed to open might be too few: 1024
[INFO] nebula-metad: Exited
[INFO] nebula-graphd: Exited
[INFO] nebula-storaged: Running as 15547, Listening on 44500

【问题讨论】：

标签： centos6.5 nebula-graph

【解决方案1】：

错误原因：CentOS 6.5系统内核版本为2.6.32，小于3.9。但是，SO_REUSEPORT 只支持 Linux 3.9 及以上版本。

升级系统到CentOS 7.5可以自行解决问题。

【讨论】：