Redis集群管理工具redis-cluster-tool.zip

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