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Update 0.FAQ.md #659

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14 changes: 14 additions & 0 deletions docs-2.0/20.appendix/0.FAQ.md
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Expand Up @@ -163,6 +163,20 @@ Storage服务在毫秒级时间内多次收到插入或者更新同一点或边

- 检查配置文件中的端口配置，如果端口号与连接时使用的不同，改用配置文件中的端口或者修改配置。

### 如何处理`nebula-graph.INFO`错误日志`StorageClientBase.inl:214] Request to "x.x.x.x":9779 failed: N6apache6thrift9transport19TTransportExceptionE: Timed Out`

报错原因可能是查询的数据量比较大，storaged 处理超时。请尝试以下解决方法：

- 导入数据时，手动[compaction](../8.service-tuning/compaction.md)，加速读的速度。

- 增加Graph服务与Storage服务的RPC连接超时时间，在`nebula-storaged.conf`文件里面修改`--storage_client_timeout_ms`参数的值。该值的单位为毫秒（ms），默认值为60000毫秒。提示：请在配置文件开头添加--local_config=true再重启服务。

### 如何处理`nebula-storaged.INFO`错误日志`MetaClient.cpp:65] Heartbeat failed, status:Wrong cluster!`或者 `nebula-metad.INFO`含有错误日志`HBProcessor.cpp:54] Reject wrong cluster host "x.x.x.x":9771!`

报错的原因可能是用户修改了 metad 的 ip 或者端口信息，或者 storage 之前加入过其他集群。请尝试以下解决方法：

用户到storage部署的机器所在的安装目录（默认安装目录为 `/usr/local/nebula`）下面将`cluster.id`文件删除，然后重启 storaged 服务。

### 是否支持停止或者中断慢查询

不支持。即使关闭了客户端，服务端仍会尽力把该查询执行完毕，无法中断。
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