redis-node | A Redis client for node.js | Command Line Interface library
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kandi X-RAY | redis-node Summary
A Redis client for node.js
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QUESTION
I am trying to connect a cluster of 8 replicas on one address to an existing cluster on another address.
The replica servers are all running in cluster mode.
When I try to do either:
./redis-trib.rb add-node --slave REPLICA_IP:6380 MASTER_IP:6380
or
./redis-cli --cluster add-node REPLICA_IP:6380 MASTER_IP:6380 --cluster-slave
I get the same result;
Waiting for the cluster to join...........................
which hangs indefinitely.
The two servers can definitely see each other and I can connect to any relevant redis-node (replica or master) from either server. The discovery/communion ports (16830, etc.) are all open and contactable as well. The output of these commands also suggests that the cluster has been found as it shows each of the nodes and their correct node ids.
here is the full output of either add-node command:
...ANSWER
Answered 2018-Nov-09 at 00:01I figured it out:
Using tcpdump I confirmed that both servers were talking to each other on both the redis server ports and the handshake ports repeatedly while the add-slave command hung forever.
but in the redis configs for each node I had:
bind 0.0.0.0
but on both the masters and the replicas the config must read:
bind SERVER_IP
in order for CLUSTER MEET to work properly.
QUESTION
I am using elastic cache single node shard redis 4.0 later version.
I enabled In-Transit Encryption and gave redis auth token.
I created one bastion host with stunnal using this link
https://aws.amazon.com/premiumsupport/knowledge-center/elasticache-connect-redis-node/
I am able to connect to elastic cache redis node using following way
redis-cli -h hostname -p 6379 -a mypassword
and i can do telnet also. BUT when I ping (expected response "PONG") on redis-cli after connection it is giving
"Error: Connection reset by peer "
I checked security group of both side. Any idea ? Bastion Host ubuntu 16.04 machine
...ANSWER
Answered 2018-Oct-02 at 16:16"Error: Connection reset by peer" indicates that Redis is killing your connection without sending any response.
One possible cause is you are trying to connect to the Redis node without using SSL, as your connection will get rejected by the Redis server without a response [1]. Make sure you are connecting through the correct port in your tunnel proxy. If you are connecting directly from the bastion host, you should be using local host.
Another option is that you have incorrectly configured your stunnel to not include a version of SSL that is supported by Redis. You should double check the config file is exactly the same as the one provided in the support doc.
It that doesn't solve your problem, you can try to build the cli included in AWS open source contribution.[2] You'll need to check out the repository, follow the instructions in the readme, and then do make BUILD_SSL=yes make redis-cli.
[1] https://github.com/madolson/redis/blob/unstable/src/ssl.c#L464 [2] https://github.com/madolson/redis/blob/unstable/SSL_README.md
QUESTION
I have Amazon ElastiCache Redis Server used as the Encryption in-transit and Encryption at-rest. From what I have read in the document: https://aws.amazon.com/premiumsupport/knowledge-center/elasticache-connect-redis-node/ We need to use install stunnel and use through the localhost to access the server from our local environment or EC2 instance. Is there any way to avoid it? I am using Redisson as Java API.
...ANSWER
Answered 2018-Sep-25 at 17:45Finally found a way to interact with AWS Encrypted Redis cluster without using Stunnel. Found that we can do it using prefix "rediss://" instead of "redis://" (extra s denotes it as a SSL client) while setting the address through the API.
QUESTION
LT027296-Mac:~$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
mongo latest 394204d45d87 3 weeks ago 410MB
redis latest a55fbf438dfd 4 weeks ago 95MB
nginx latest 2bcb04bdb83f 4 weeks ago 109MB
bitnami/mysql latest c5c056b8435c 3 months ago 287MB
LT027296-Mac:~$ docker run --name some-redis -d redis
15e126e26ea452b2b8c2933c549a15d74bb49aece1fe8b5e4b746e67bced6c20
LTB0207296-Mac:~ b0207296$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
15e126e26ea4 redis "docker-entrypoint.s…" About a minute ago Up About a minute 6379/tcp some-redis
LT027296-Mac:~$
ANSWER
Answered 2019-Apr-24 at 07:02While running the docker image you've to publish the port as well.
QUESTION
This is my application code:
...ANSWER
Answered 2018-Feb-02 at 08:46There is a discrepancy between your wishful-rabbit-mychart-master-svc service's Selector and your master redis pods' labels.
Your service is searching for pods with the following labels:
QUESTION
I am doing a small project using redis and node js - redis client 'node_redis'. The problem is that, to get the key's value there are different get function like for string and integer type there is client.get, for array type there is client.lrange() etc. So how to identify what function to use to get the value if the desired value type is not known, is there a way to identify the value type.
...ANSWER
Answered 2017-Feb-13 at 06:33Usually your application should know in advance the type of value that it is accessing using a given key name. That said, there's the Redis TYPE that you can use for inspecting a given key's type.
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