Failed to refresh slots cache
See original GitHub issueHaving issues when running clusters. Ports are opened on the server. Cannot find what the error message wants.
REDIS CONNECT error Error: Failed to refresh slots cache.
The redis server is started with
./create-cluster start
./create-cluster create
>>> Creating cluster
>>> Performing hash slots allocation on 6 nodes...
Using 3 masters:
127.0.0.1:30001
127.0.0.1:30002
127.0.0.1:30003
Adding replica 127.0.0.1:30004 to 127.0.0.1:30001
Adding replica 127.0.0.1:30005 to 127.0.0.1:30002
Adding replica 127.0.0.1:30006 to 127.0.0.1:30003
M: b52b834a64cd5a5b21143ab04c812280e51c027b 127.0.0.1:30001
slots:0-5460 (5461 slots) master
M: d78d47d58d18432ce24c23a808e5e5910abf9ed2 127.0.0.1:30002
slots:5461-10922 (5462 slots) master
M: d95b9eaac2fcef61e9f8a4b7569c6ce4833224fc 127.0.0.1:30003
slots:10923-16383 (5461 slots) master
S: 9ba310a137f57539b8a5d011cfe7db4e9a7089a9 127.0.0.1:30004
replicates b52b834a64cd5a5b21143ab04c812280e51c027b
S: bebafd0ff37774a5e40dbf959401042e7e39beb9 127.0.0.1:30005
replicates d78d47d58d18432ce24c23a808e5e5910abf9ed2
S: 1bade260c211b59b967fa6d85124deadbfbfafe7 127.0.0.1:30006
replicates d95b9eaac2fcef61e9f8a4b7569c6ce4833224fc
Can I set the above configuration? (type 'yes' to accept): yes
>>> Nodes configuration updated
>>> Assign a different config epoch to each node
>>> Sending CLUSTER MEET messages to join the cluster
Waiting for the cluster to join..
>>> Performing Cluster Check (using node 127.0.0.1:30001)
M: b52b834a64cd5a5b21143ab04c812280e51c027b 127.0.0.1:30001
slots:0-5460 (5461 slots) master
M: d78d47d58d18432ce24c23a808e5e5910abf9ed2 127.0.0.1:30002
slots:5461-10922 (5462 slots) master
M: d95b9eaac2fcef61e9f8a4b7569c6ce4833224fc 127.0.0.1:30003
slots:10923-16383 (5461 slots) master
M: 9ba310a137f57539b8a5d011cfe7db4e9a7089a9 127.0.0.1:30004
slots: (0 slots) master
replicates b52b834a64cd5a5b21143ab04c812280e51c027b
M: bebafd0ff37774a5e40dbf959401042e7e39beb9 127.0.0.1:30005
slots: (0 slots) master
replicates d78d47d58d18432ce24c23a808e5e5910abf9ed2
M: 1bade260c211b59b967fa6d85124deadbfbfafe7 127.0.0.1:30006
slots: (0 slots) master
replicates d95b9eaac2fcef61e9f8a4b7569c6ce4833224fc
[OK] All nodes agree about slots configuration.
>>> Check for open slots...
>>> Check slots coverage...
[OK] All 16384 slots covered.
This is the code used.
var rClusters = [[{
port: 30001,
host: 'xxx.us-west-2.compute.amazonaws.com'
}, {
port: 30002,
host: 'xxx.us-west-2.compute.amazonaws.com'
}, {
port: 30003,
host: 'xxx.us-west-2.compute.amazonaws.com'
}]],
Redis = require('ioredis'),
db = new Redis.Cluster(rClusters),
pub = new Redis.Cluster(rClusters),
sub = new Redis.Cluster(rClusters),
sockets = [];
sub.subscribe(conf.redisNamespace+ 'chatmessage'); // someone said something
sub.subscribe(conf.redisNamespace+ 'chatmessage-confirm'); // someone said something confirm back
sub.subscribe(conf.redisNamespace+ 'presence-friends'); // loop friend id, if publish exist broadcast online state
sub.subscribe(conf.redisNamespace+ 'user-clear'); // clear user from memory
sub.subscribe(conf.redisNamespace+ 'process-start'); // gather process info
sub.subscribe(conf.redisNamespace+ 'process-end'); // has some data
db.on('connect',function(){
console.log("REDIS CONNECT");
});
db.on('error',function(err){
console.log("REDIS CONNECT error "+ err);
});
Issue Analytics
- State:
- Created 8 years ago
- Reactions:1
- Comments:7 (3 by maintainers)
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ioredis emits
Failed to refresh slots cache
when none of the nodes can be connected to. You may listen to thenode error
event for the detail information or just check thelastNodeError
property of theerr
:Looks like it goes from the host I wanted to 127.0.0.1 in the end? I’ve installed redis locally so now it works but might want to check into using redis cluster with another hostname.