Comments (5)
KEYS
is currently not supported in the redisClusterCommand()
which would send this command to each instance of the cluster.
The option would be to use redisClusterCommandToNode()
instead, like this example:
nodeIterator ni;
initNodeIterator(&ni, cc);
cluster_node *node;
while ((node = nodeNext(&ni)) != NULL) {
redisReply *reply;
reply = redisClusterCommandToNode(cc, node, "KEYS *");
....
freeReplyObject(reply);
}
But beware what the Redis docs warns about:
Warning: consider KEYS as a command that should only be used in production environments with extreme care. It may ruin performance when it is executed against large databases. This command is intended for debugging and special operations, such as changing your keyspace layout. Don't use KEYS in your regular application code. If you're looking for a way to find keys in a subset of your keyspace, consider using SCAN or sets.
from hiredis-cluster.
thanks !!!
from hiredis-cluster.
the "nodeIterator ni" don't need to release ?
from hiredis-cluster.
the "nodeIterator ni" don't need to release ?
Only if you malloc it. In the example above, it is stack allocated. initNodeIterator()
doesn't allocate anything.
from hiredis-cluster.
the "nodeIterator ni" don't need to release ?
Only if you malloc it. In the example above, it is stack allocated.
initNodeIterator()
doesn't allocate anything.
Got it, thanks a lot.
from hiredis-cluster.
Related Issues (20)
- When is the support for redis 7 coming? Any recommendation for which redis client to use for redis version 7? HOT 11
- Support custom commands defined in Redis modules HOT 6
- Testing fault tolerance HOT 1
- There is no way to perform AUTH in asynchronous mode. HOT 2
- Does hiredis-cluster support SSUBSCRIBE? HOT 2
- Compilation error LIBEVENT_INCLUDES-NOTFOUND HOT 3
- MOVED ERROR in pipeline-API when increasing shards in existing redis cluster HOT 10
- Target "hiredis::hiredis" because target "hiredis" is not a library HOT 1
- During cmake, Checking for module 'glib-2.0' No package 'glib-2.0' found HOT 2
- nodeNext strange behaviour after master failover. HOT 9
- With redisClusterAsyncCommandArgvToNode api, client not discovering new nodes on redis master node disconnect HOT 4
- Update the slotmap after send errors/timeouts in the sync API HOT 1
- hircluster.c:218:9: 错误: HOT 4
- Failed to find keys of command XREADGROUP HOT 2
- Recovery in case of discovered slots from redis cluster is partial HOT 2
- is redisClusterAppendCommand, redisClusterGetReply thread Safe? HOT 1
- SIGSEGV in clusterNodesReplyCallback while calling redisClusterAsyncFree HOT 3
- The connection always been close after every redisClusterCommandArgv HOT 1
- Unable to execute commands without keys (FLUSHALL, PING, INFO) HOT 2
- redisClusterAsyncDisconnect behaviour when a redisAsyncContext object has seen some error HOT 1
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