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cluster nodes

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  • Node xxxxx is not empty. Either the node already knows other nodes (check with CLUSTER NODES)

    >> Creating cluster Node 192.168.15.102:6000 is not empty.Either the node already knows other nodes (check with CLUSTER NODES) or contains some key in database所在的文件,一般为nodes.conf;3)、再次添加新节点如果还是报错,则登录新Node,.redis-cli–h x –p对数据库进行清除:192.168.15.102:6000>  flushdb>>> Performing hash slots allocation on 6 nodes… Using 3 masters: 192.168.15.102:6000 192.168.15.102node >>> Sending CLUSTER MEET messages to join the cluster Waiting for the cluster to join…
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  • Elasticsearch 7.x NoNodeAvailableException: None of the configured nodes are available

    org.springframework.boot spring-boot-starter-data-elasticsearch spring.data.elasticsearch.cluster-name=esspring.data.elasticsearch.cluster-nodes=10.17.12.158:9300spring.data.elasticsearch.repositories.enabled=true集群方式failed to load elasticsearch nodes : org.elasticsearch.client.transport.NoNodeAvailableException:None of the configured nodes are available:单节点failed to load elasticsearch nodes : org.elasticsearch.client.transport.NoNodeAvailableException: None of the configured nodes are available: 初步判定,应该是spring-boot-starter-data-elasticsearch与Elasticsearch
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  • redis5 cluster 部署

    192.168.152.130:7005 slots: (0 slots) slave replicates 35e3bc663c1d393c13ace6cb9d9b3d54ff18961d All nodes1、错误信息:slave,fail,noaddr disconnected# usrlocalredisbinredis-cli -h 192.168.152.131 -p 7002 cluster nodes192.168.152.130:7005 slots: (0 slots) slave replicates 35e3bc663c1d393c13ace6cb9d9b3d54ff18961d All nodesEither the node already knows other nodes (check with CLUSTER NODES) or contains some key in databaseEither the node already knows other nodes (check with CLUSTER NODES) or contains some key in database
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  • redis-cluster配置

    7000daemonize yesdir optredisdatalogfile 7000.logdbfilename dump-7000.rdbcluster-enabled yescluster-config-file nodesinfocluster_state:okcluster_slots_assigned:16384cluster_slots_ok:16384cluster_slots_pfail:0cluster_slots_fail:0cluster_known_nodes:6cluster_size:3cluster_current_epoch:6cluster_my_epoch:1cluster_stats_messages_ping_sent:10468cluster_stats_messages_pong_sent:10558cluster_stats_messages_sent:21026cluster_stats_messages_ping_receivedinfo redis-cli -p 7000 cluster nodes #等同于查看nodes-7000.conf文件节点信息
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  • Redis命令详解:Cluster

    :0cluster_known_nodes:6cluster_size:3cluster_current_epoch:6cluster_my_epoch:2cluster_stats_messages_sent通常,如果你想知道hash slot与节点的关联关系,你应该使用CLUSTER SLOTS命令。CLUSTER NODES主要用于管理任务,调试和配置监控。redis-trib也会使用该命令管理集群。CLUSTER REPLICAS最早可用版本:5.0.0时间复杂度:O(1)该命令会列出主节点的从节点列表。输出格式与CLUSTER NODES格式相同。时间复杂度:O(1)强制保存配置nodes.conf到磁盘。CLUSTER SLAVES最早可用版本:3.0.0时间复杂度:O(1)该命令会列出指定master节点的所有slave节点,格式和CLUSTER NODES相同。
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  • 【Redis】redis cluster 添加 删除 重分配 节点

    一,redis cluster命令行集群(cluster) CLUSTER INFO 打印集群的信息 CLUSTER NODES 列出集群当前已知的所有节点(node),以及这些节点的相关信息。:ok cluster_slots_assigned:16384 cluster_slots_ok:16384 cluster_slots_pfail:0 cluster_slots_fail:0 cluster_known_nodesType all to use all the nodes as source nodes for the hash slots.新master的node id OK 192.168.10.220:6385> quit 查看新master的slave # redis-cli -p 6379 cluster nodes | grepType all to use all the nodes as source nodes for the hash slots.
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  • Redis Cluster日常操作命令梳理

    redis-cli -c -p 6382 -h 192.168.10.12192.168.10.12:6382>集群(cluster) CLUSTER INFO 打印集群的信息 CLUSTER NODESType all to use all the nodes as source nodes for the hash slots.三、改变从节点的master查看一下6378的从节点 # redis-cli -p 6378 cluster nodes | grep slave | grep 03ccad2ba5dd1e062464bc7590400441fafb63f2新master的node id OK 192.168.10.220:6385> quit 查看新master的slave # redis-cli -p 6379 cluster nodes | grepType all to use all the nodes as source nodes for the hash slots.
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  • Redis搭建主从&&集群(cluster)架构

    yes##开启cluster功能cluster-config-file nodes_7000.conf##该配置文件可以在dir目录下自动生成cluster-node-timeout 10100appendonlycheck 192.168.8.131:7000 列出节点:# redis-cli -c -h 192.168.8.131 -p 7000192.168.8.131:7000> cluster nodescluster meet 192.168.8.132 7007OK 192.168.8.131:7000> cluster nodes52e4b3484838be21fcf53b84198e362efd54bd39meet 192.168.8.131 7006OK192.168.8.131:7000> cluster nodes677f27fb209ce45c823126fe38dbcf0b9fc43d93 192.168.8.131forget 677f27fb209ce45c823126fe38dbcf0b9fc43d93OK 查看:192.168.8.131:7000> cluster nodes#此时7006已经不存在了。
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  • Elasticsearch Cluster 安装与配置

    Elasticsearch Cluster集群模式需要两个以上的节点,通常是一个 master 节点,多个 data 节点首先在所有节点上安装 elasticsearch,然后配置各节点的配置文件,对于: elasticsearch-cluster # 配置集群名称,所有服务器服务器保持一致 node.name: node-1 # 每个节点唯一标识,每个节点只需改动这里,一次递增 node-1, nodepretty{ _nodes : { total : 2, successful : 2, failed : 0 }, cluster_name : my-application, nodes : {:my-application,status:yellow,timed_out:false,number_of_nodes:2,number_of_data_nodes:2,active_primary_shardspretty{ _nodes : { total : 2, successful : 2, failed : 0 }, cluster_name : my-application, nodes : {
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  • 使用 redis-shake 迁移 redis-cluster集群

    使用 redis-shake 迁移 redis-cluster 背景:    IDC上云, 有2套redis-cluster需要迁移到云上。 这里我们使用 redis-shake 来做迁移操作。迁移前, redis-cluster 我们先造点数据进去到机房集群去。for i in {1..10000}; do   echo set age$i  $i | redis-cli -c -h 172.31.1.133 -p 6391done然后,先找出老的redis cluster如下:echo cluster nodes | redis-cli -c -h 172.31.1.133 -p 6391 | egrep master 1154ebeb83a53ad7ac09d14b49f4ec28af91e1e5如下:echo cluster nodes | redis-cli -h 172.31.1.133 -p  6394 | egrep master 9a81aecf9ad5d2bb6104134107215b528476eec6
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  • Redis Cluster原理初步

    槽(slots) Redis cluster将所有存储在其上的key通过一个hash算法划分成若干slots,当前为16384个slots,值在cluster.h文件中由宏CLUSTER_SLOSTS指定路由配置(node.conf) 存储的内容和redis命令“cluster nodes”的输出相同,即存储了master和slave信息,以及各master存储的slots,亦即slots的路由信息存储在同一Redis cluster中的所有节点的node.conf文件内容最终是一致的。 4. 总slots数(cluster.h:16384) #define CLUSTER_SLOTS 16384  等于(0x3FFF + 1) 宏CLUSTER_SLOTS定义了redis cluster的slots由于任何一个redis cluster节点都存储了相同内容的node.conf,所以client可以请求任一节点获得slots的路由数据。
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  • redis实战第六篇 手动创建redis cluster

    yes#集群内部配置文件cluster-config-file nodes-6379.conf#节点超时时间cluster-node-timeout 150003.启动所有节点redis-serverredis_cluster.conf 节点启动后data目录下会生成一个nodes-6379.conf,这个是集群内部配置文件,第一次启动时如果集群没有设置配置文件,节点会自动创建一个配置文件,如果存在通过cluster nodes命令也可以获取节点ID。:0cluster_slots_fail:0cluster_known_nodes:6cluster_size:0cluster_current_epoch:5cluster_my_epoch:1cluster_stats_messages_ping_sent:16384cluster_slots_ok:16384cluster_slots_pfail:0cluster_slots_fail:0cluster_known_nodes:6cluster_size
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  • kubernetes-20:redis-cluster容器化

    .PDB和AOF的优先级3.4.nodes.conf(2).容器重启导致节点ip变化的问题解决2.1.相关配置方式2.2.整个操作过程演示2.3.应用如何适配(3).配置文件说明(4).相关文章阅读笔者使用:0cluster_known_nodes:6cluster_size:3cluster_current_epoch:6cluster_my_epoch:3cluster_stats_messages_ping_sent(check with CLUSTER NODES) or contains some key in database 0.解决方式:1)、将需要新增的节点下aof、rdb等本地备份文件删除;2)、同时将新(type yes to accept): yes>>> Nodes configuration updated>>> Assign a different config epoch to each node:0cluster_known_nodes:6cluster_size:3cluster_current_epoch:6cluster_my_epoch:1cluster_stats_messages_ping_sent
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  • redis cluster

    yes#重要配置cluster-config-file nodes-6379.conf#重要配置cluster-node-timeout 15000slowlog-log-slower-than 10000slowlog-max-lenyescluster-config-file nodes-6379.conf cluster-node-timeout 15000slowlog-log-slower-than 10000slowlog-max-lenyescluster-config-file nodes-6379.conf cluster-node-timeout 15000slowlog-log-slower-than 10000slowlog-max-lenyescluster-config-file nodes-6379.conf cluster-node-timeout 15000slowlog-log-slower-than 10000slowlog-max-lenyescluster-config-file nodes-6379.conf cluster-node-timeout 15000slowlog-log-slower-than 10000slowlog-max-len
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  • 玩转Redis集群之Cluster

    特性首先我们来看下官方对Redis Cluster的介绍。High performance and linear scalability up to 1000 nodes.当客户端收到MOVED错误后,可以使用CLUSTER NODES或CLUSTER SLOTS命令来更新整个集群的信息,因为当重定向发生时,很少会是单个槽位的变更,一般都会是多个槽位一起更新。yescluster-config-file nodes6379.confappendonly yes 配置文件的名称也需要修改,修改完成后,分别启动6个实例(图片中有一个端口号改错了……)。?查看节点信息此时我们使用cluster nodes 命令就可查看Redis Cluster的节点信息了。?cluster nodes可以看到,6379、6380和6479三个节点被配置为master节点。reshard接下来我们再来尝试一下reshard操作?
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  • 如何搭建redis-cluster

    此刻每个目录下面多了nodes.conf 现在文件内容只是单单保存了redis实例自身的节点数据。All 16384 slots covered.此时redis-cluster已经搭建好了,nodes.conf文件也发生了变化,执行cluster info:127.0.0.1:6380> cluster:0cluster_known_nodes:6cluster_size:3cluster_current_epoch:6cluster_my_epoch:1cluster_stats_messages_ping_sent通过cluster nodes命令确认6个节点都彼此感知并组成集群。集群的命令:CLUSTER nodes: 列出集群当前已知的所有节点(node)的相关信息。 CLUSTER meet : 将ip和port所指定的节点添加到集群当中。
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  • Docker部署redis-cluster集群

    yes cluster-config-file nodes.conf cluster-node-timeout 5000 cluster-announce-ip 172.38.0.1${port} cluster-announce-port>>> Performing hash slots allocation on 6nodes...(type yesto accept): yes >>> Nodes configuration updated >>> Assign a different config epoch to eachnode >>> Sending CLUSTER MEET messages to join the cluster Waiting forthe cluster to join ... >>> Performing6、存储数据 # docker exec -it redis-1 binsh data # redis-cli -c 127.0.0.1:6379> cluster nodes 455e94fb32c097c63bd2e43dff4c7fac6875acea
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  • 015.Redis Cluster集群扩容缩容原理及实战

    nodes命令查看 cluster setslot 4096 importing 690b2e1f604a0227068388d3e5b1f1940524c565 # 源节点86e1881611440012c87fbf3fa98b7b6d79915e25Type all to use all the nodes as source nodes for the hash slots.replicate 724a8a15f4efe5a01454cb971d7471d6e84279f3 OK 10.0.0.103:6380> cluster nodes 1be5d1aaaa9e9542224554f461694da9cba7c2b8All nodes are within the 2.0% threshold. 2. Redis Cluster集群缩容2.1 缩容原理?node #2:done ....... 10.0.0.103:6380> cluster nodes1be5d1aaaa9e9542224554f461694da9cba7c2b8 10.0.0.101
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  • redis cluster官方集群的搭建笔记

    -i s#7000#7002# usrlocalredis_cluster7002redis.conf配置文件都修改好后,启动3个redis实例。redis-serverusrlocalredis_cluster7000redis.confredis-serverusrlocalredis_cluster7001redis.confredis-serverusrlocalredis_cluster7002redis.confssEither the node already knows other nodes(check with CLUSTER NODES) or contains some key in database0.上面的问题比较常见,尤其大家在测试的环境下,需要删除你redis.conf里面cluster-config-file 所在的文件。> cluster nodes   可以看到集群中有哪些节点,下图可以看到新加入的节点还是myself状态。?redis-trib.rb check 192.168.2.13:7006  ?
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  • Redis Cluster深入与实践(续)

    port 7000cluster-enabled yes #开启集群模式cluster-config-file nodes.confcluster-node-timeout 5000appendonlynodes.conf存在,每个实例启动后都会给自己分配一个ID。{ private static Logger logger = LoggerFactory.getLogger(JedisClusterConfig.class); @Value(${redis.cluster.nodesRedisClusterConfiguration getClusterConfiguration() { Map source = new HashMap(); source.put(spring.redis.cluster.nodes配置redis clusterredis: cluster: enabled: true timeout: 2000 max-redirects: 8 nodes: 127.0.0.1:7000,127.0.0.1
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