文件名称:
Redis集群管理工具redis-cluster-tool.zip
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文件大小: 76kb
下载次数: 0
上传时间: 2019-07-19
详细说明： redis-cluster-tool 是一个非常便利的 Redis 集群管理工具。help Usage: redis-cluster-tool [-?hVds] [-v verbosity level] [-o output file] [-c conf file] [-a addr] [-i interval] [-p pid file] [-C command] [-r redis role] [-t thread number] [-b buffer size] Options: -h, --help : this help -V, --version : show version and exit -d, --daemonize : run as a daemon -s, --simple : show the output not in detail -v, --verbosity=N : set logging level (default: 5, min: 0, max: 11) -o, --output=S : set logging file (default: stderr) -c, --conf-file=S : set configuration file (default: conf/rct.yml) -a, --addr=S : set redis cluster address (default: 127.0.0.1:6379) -i, --interval=N : set interval in msec (default: 1000 msec) -p, --pid-file=S : set pid file (default: off) -C, --command=S : set command to execute (default: cluster_state) -r, --role=S : set the role of the nodes that command to execute on (default: all, you can input: all, master or slave) -t, --thread=N : set how many threads to run the job(default: 8) -b, --buffer=S : set buffer size to run the job (default: 1048576 byte, unit:G/M/K) Commands: cluster_state :Show the cluster state. cluster_used_memory :Show the cluster used memory. cluster_keys_num :Show the cluster holds keys num. slots_state :Show the slots state. node_slot_num :Show the node hold slots number. new_nodes_name :Show the new nodes name that not covered slots. cluster_rebalance :Show the cluster how to rebalance. flushall :Flush all the cluster. cluster_config_get :Get config from every node in the cluster and check consistency. cluster_config_set :Set config to every node in the cluster. cluster_config_rewrite :Rewrite every node config to echo node for the cluster. node_list :List the nodes del_keys :Delete keys in the cluster. The keys must match a given glob-style pattern.(This command not block the redis)ExampleGet the cluster state: $redis-cluster-tool -a 127.0.0.1:34501 -C cluster_state -r master master[127.0.0.1:34504] cluster_state is ok master[127.0.0.1:34501] cluster_state is ok master[127.0.0.1:34502] cluster_state is ok master[127.0.0.1:34503] cluster_state is ok all nodes cluster_state is ok Get the cluster used memory: $redis-cluster-tool -a 127.0.0.1:34501 -C cluster_used_memory -r master master[127.0.0.1:34504] used 195 M 25% master[127.0.0.1:34501] used 195 M 25% master[127.0.0.1:34502] used 195 M 25% master[127.0.0.1:34503] used 195 M 25% cluster used 780 MRebalance the cluster slots: $redis-cluster-tool -a 127.0.0.1:34501 -C cluster_rebalance --from e1a4ba9922555bfc961f987213e3d4e6659c9316 --to 785862477453bc6b91765ffba0b5bc803052d70a --slots 2048 --from 437c719f50dc9d0745032f3b280ce7ecc40792ac --to cb8299390ce53cefb2352db34976dd768708bf64 --slots 2048 --from a497fc619d4f6c93bd4afb85f3f8a148a3f35adb --to a0cf6c1f12d295cd80f5811afab713cdc858ea30 --slots 2048 --from 0bdef694d08cb3daab9aac518d3ad6f8035ec896 --to 471eaf98ff43ba9a0aadd9579f5af1609239c5b7 --slots 2048Then you can use "redis-trib.rb reshard --yes --from e1a4ba9922555bfc961f987213e3d4e6659c9316 --to 785862477453bc6b91765ffba0b5bc803052d70a --slots 2048 127.0.0.1:34501" to rebalance the cluster slots Flushall the cluster: $redis-cluster-tool -a 127.0.0.1:34501 -C flushall -s Do you really want to execute the "flushall"? please input "yes" or "no" : yes OKGet a config from every node in cluster: $redis-cluster-tool -a 127.0.0.1:34501 -C "cluster_config_get maxmemory" -r master master[127.0.0.1:34501] config maxmemory is 1048576000 (1000MB) master[127.0.0.1:34502] config maxmemory is 1048576000 (1000MB) master[127.0.0.1:34503] config maxmemory is 1048576000 (1000MB) master[127.0.0.1:34504] config maxmemory is 1048576000 (1000MB) All nodes config are Consistent cluster total maxmemory: 4194304000 (4000MB)Set a config from every node in cluster: $redis-cluster-tool -a 127.0.0.1:34501 -C "cluster_config_set maxmemory 10000000" -s Do you really want to execute the "cluster_config_set"? please input "yes" or "no" : yes OKDelete keys in the cluster: $redis-cluster-tool -a 127.0.0.1:34501 -C "del_keys abc*" Do you really want to execute the "del_keys"? please input "yes" or "no" : yes delete keys job is running... delete keys job finished, deleted: 999999 keys, used: 4 s 标签：redis
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