RedisGraph多活设计方案功能测试

该文档主要是针对RedisGraph多活设计方案的功能测试，来说明方案是可实施是可行的。

该方案设计文档参见上一篇文章  RedisGraph图形数据库多活设计方案

• 功能测试准备条件
• RedisGraph的一主两从三哨兵的环境准备
• 该次主要是高可用的功能测试
• 资源规划

主要分享低代码、微服务、容器化、SAAS‬、系统架构方面的的‬内容‬‬，希望‬大家‬点赞‬，评论，关注‬。

1. 打开哨兵

docker exec -it dc1d79b6977f /bin/bash
redis-cli -p 26379

1. 执行查看主节点信息

sentinel master mymaster

1. 查看从节点信息

sentinel slaves mymaster

1)  1) "name"
    2) "172.25.0.4:6380"
    3) "ip"
    4) "172.25.0.4"
    5) "port"
    6) "6380"
    7) "runid"
    8) "44df8f11fb77d388e9f7dc83ab626c592a5a256d"
    9) "flags"
   10) "slave"
   11) "link-pending-commands"
   12) "0"
   13) "link-refcount"
   14) "1"
   15) "last-ping-sent"
   16) "0"
   17) "last-ok-ping-reply"
   18) "287"
   19) "last-ping-reply"
   20) "287"
   21) "down-after-milliseconds"
   22) "60000"
   23) "info-refresh"
   24) "8834"
   25) "role-reported"
   26) "slave"
   27) "role-reported-time"
   28) "510641"
   29) "master-link-down-time"
   30) "0"
   31) "master-link-status"
   32) "ok"
   33) "master-host"
   34) "redisgraph-master"
   35) "master-port"
   36) "6379"
   37) "slave-priority"
   38) "100"
   39) "slave-repl-offset"
   40) "100353"
   41) "replica-announced"
   42) "1"
2)  1) "name"
    2) "172.25.0.3:6381"
    3) "ip"
    4) "172.25.0.3"
    5) "port"
    6) "6381"
    7) "runid"
    8) "6baf5539d0430f737004c10afd0753722222c597"
    9) "flags"
   10) "slave"
   11) "link-pending-commands"
   12) "0"
   13) "link-refcount"
   14) "1"
   15) "last-ping-sent"
   16) "0"
   17) "last-ok-ping-reply"
   18) "287"
   19) "last-ping-reply"
   20) "287"
   21) "down-after-milliseconds"
   22) "60000"
   23) "info-refresh"
   24) "8834"
   25) "role-reported"
   26) "slave"
   27) "role-reported-time"
   28) "510682"
   29) "master-link-down-time"
   30) "0"
   31) "master-link-status"
   32) "ok"
   33) "master-host"
   34) "redisgraph-master"
   35) "master-port"
   36) "6379"
   37) "slave-priority"
   38) "100"
   39) "slave-repl-offset"
   40) "100353"
   41) "replica-announced"
   42) "1"

1. 模拟主节点宕机

docker-compose stop
redisgraph-master

1. 查看主节点信息

127.0.0.1:26379> SENTINEL get-master-addr-by-name mymaster

• 主节点已经发生转移

1. 把宕机的主机点启动

docker-compose start redisgraph-master

1. 查看当前主节点信息

127.0.0.1:26379> SENTINEL get-master-addr-by-name mymaster

• 当宕机的节点启动时，不影响当前已经选举的主节点

1. 查看主节点信息

info replication 

• 可以看到以前的主节点(172.25.0.2)转移为从节点

1. 功能测试
2. 创建

127.0.0.1:6380> GRAPH.QUERY MotoGP "CREATE (:Rider {name:'Valentino Rossi'})-[:rides]->(:Team {name:'Yamaha'}), (:Rider {name:'Dani Pedrosa'})-[:rides]->(:Team {name:'Honda'}), (:Rider {name:'Andrea Dovizioso'})-[:rides]->(:Team {name:'Ducati'})"

查询

127.0.0.1:6380> GRAPH.QUERY MotoGP "MATCH (r:Rider)-[:rides]->(t:Team) WHERE t.name = 'Yamaha' RETURN r.name, t.name"

主

从

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