Redis DB

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Hello, this group is about Redis issues and help requests. Feel free to ask questions about operations, schema design, bugs you found. To propose new features or core improvements please use redis-dev instead. Commercial messages are removed.

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Ankit Gupta, Greg Andrews3

Oct 17

How to copy data from hash to sorted set

Redis doesn't have a built-in conversion command from a hash to a sorted set, so you'll have

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How to copy data from hash to sorted set

Redis doesn't have a built-in conversion command from a hash to a sorted set, so you'll have

Oct 17

Oct 5

Sample size does not change hit ratio in allkeys-lru when Redis is used as cache

But I do not see the hit ratio change when sample size is 2 and 10. What could be the reasons? On Mon

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Sample size does not change hit ratio in allkeys-lru when Redis is used as cache

But I do not see the hit ratio change when sample size is 2 and 10. What could be the reasons? On Mon

Oct 5

Oct 4

[RELEASE] Redis 6.2.6, 6.0.16 and 5.0.14 are out

Howdy folks, Today's releases address a number of security issues as detailed below. You should

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[RELEASE] Redis 6.2.6, 6.0.16 and 5.0.14 are out

Howdy folks, Today's releases address a number of security issues as detailed below. You should

Oct 4

Generalusemail Generaluse, sundb3

Sep 30

Upgrade Redis from 2.8.19 to 6.2.5 on CentOS 7

1. Create a slave with the latest version, then execute `slaveof [master_ip] [masterport]` to

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Upgrade Redis from 2.8.19 to 6.2.5 on CentOS 7

1. Create a slave with the latest version, then execute `slaveof [master_ip] [masterport]` to

Sep 30

Ankit Gupta, … sundb3

Sep 28

Is there a way/command to trace high cpu on redis

Perhaps you cound consider using a product such as newrelic, which will help you to do very

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Is there a way/command to trace high cpu on redis

Perhaps you cound consider using a product such as newrelic, which will help you to do very

Sep 28

Kit Karson, sundb2

Sep 27

Redis Stream usage

If you wanna permanently listen for new messages, you can use `xread block 0`. It does not have any

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Redis Stream usage

If you wanna permanently listen for new messages, you can use `xread block 0`. It does not have any

Sep 27

Żaneta Szymańska, Generalusemail Generaluse2

Sep 21

Upgrade Redis from 3.2.11 to 5.0.9 on Centos 6.9

Hello Zaneta, I am new to Redis. I have one master and one slave in production running with Redis

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Upgrade Redis from 3.2.11 to 5.0.9 on Centos 6.9

Hello Zaneta, I am new to Redis. I have one master and one slave in production running with Redis

Sep 21

Sep 19

Redis on kubernetes is auto balancing

Any thoughts on this? On Thu, Sep 9, 2021 at 12:59 PM Mohan Raj <jahoo.mohoo@gmail.com> wrote:

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Redis on kubernetes is auto balancing

Any thoughts on this? On Thu, Sep 9, 2021 at 12:59 PM Mohan Raj <jahoo.mohoo@gmail.com> wrote:

Sep 19

Jehanzaib Younis

Sep 18

Hi folks, Can someone help me here? I am implementing Redis queue and my question is how to implement

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Hi folks, Can someone help me here? I am implementing Redis queue and my question is how to implement

Sep 18

Sep 17

Redis Files on Client-Machine

Hello I have a client-machine from which I am accessing a Redis Server on AWS. I am interested in

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Redis Files on Client-Machine

Hello I have a client-machine from which I am accessing a Redis Server on AWS. I am interested in

Sep 17

Ambar Sarkar, Narendra Kumar3

Sep 14

Refactoring lua scripts

Thanks, but how do you share this code between various .lua scripts in Redis? On Tue, Sep 14, 2021 at

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Refactoring lua scripts

Thanks, but how do you share this code between various .lua scripts in Redis? On Tue, Sep 14, 2021 at

Sep 14

Motti, … Ambar Sarkar4

Sep 13

SCAN command: is there an upper bound on duplicates for a particular key?

"For a particular key, will it only be duplicated in the very next SCAN call, or could it be

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SCAN command: is there an upper bound on duplicates for a particular key?

"For a particular key, will it only be duplicated in the very next SCAN call, or could it be

Sep 13

Sep 12

Cant create only master nodes Cluster

I have tried --cluster-replicas 0、addnode 、cluster meet and none of them is successed. george lin 在

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Cant create only master nodes Cluster

I have tried --cluster-replicas 0、addnode 、cluster meet and none of them is successed. george lin 在

Sep 12

Ramprasad Padmanabhan

Sep 8

How can I recompile redis with increased HLL key length

I tried changing redis-6.2.5/src/hyperloglog.c I changed HLL_P to 15 that seems to work #define HLL_P

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How can I recompile redis with increased HLL key length

I tried changing redis-6.2.5/src/hyperloglog.c I changed HLL_P to 15 that seems to work #define HLL_P

Sep 8

Sep 7

REDIS HA Configuration

Hi all, So in my little test setup to play around with HA, I just set it up with minimal

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REDIS HA Configuration

Hi all, So in my little test setup to play around with HA, I just set it up with minimal

Sep 7

Dhirendra Singh

Sep 6

redis sentinel authentication error logging

Hi All, I have setup 3 instances of redis sentinel with authentication enabled. Each redis sentinel

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redis sentinel authentication error logging

Hi All, I have setup 3 instances of redis sentinel with authentication enabled. Each redis sentinel

Sep 6

Jeffery, sundb4

Sep 2

Why doesn't support downgrade for intset?

But you need to consider that if an inset is added and deleted frequently if it can be downgraded, it

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Why doesn't support downgrade for intset?

But you need to consider that if an inset is added and deleted frequently if it can be downgraded, it

Sep 2

Kushagra Bindal, Jeffery3

Sep 2

Why Redis doesn't support TTL at field level of a Hash

There is a redis module can set TTL and version for hash field. The module's name is TairHash.

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Why Redis doesn't support TTL at field level of a Hash

There is a redis module can set TTL and version for hash field. The module's name is TairHash.

Sep 2

Mohan Raj, … Mehedi Hasan9

Sep 2

Redis is slow while loop

That makes sense thanks. On Thu, 2 Sep, 2021, 11:40 am Mehedi Hasan, <u.urs.888@gmail.com>

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Redis is slow while loop

That makes sense thanks. On Thu, 2 Sep, 2021, 11:40 am Mehedi Hasan, <u.urs.888@gmail.com>

Sep 2

Ankit Gupta, sundb2

Sep 1

Why is system memory > redis used memory

used_memory in redis does not represent the memory already used by redis, the memory acquired by any

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Why is system memory > redis used memory

used_memory in redis does not represent the memory already used by redis, the memory acquired by any

Sep 1

Eric Fetzer, … Reynold Yick9

Sep 1

Running Redis as a systemd service

Thanks again Reynold. Unfortunately, our Systems team (another organization) is opposed to me putting

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Running Redis as a systemd service

Thanks again Reynold. Unfortunately, our Systems team (another organization) is opposed to me putting

Sep 1

Eric Fetzer, Reynold Yick3

Sep 1

Thanks Reynold, 10 second outages are acceptable for what we're storing in REDIS. Your

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Thanks Reynold, 10 second outages are acceptable for what we're storing in REDIS. Your

Sep 1

Sep 1

Redis failover with 1 master 2 slave with haproxy authentication

Dear Team, We are trying to setup 1 master 2 slave with sentinel redis and haproxy on centos 7 but

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Redis failover with 1 master 2 slave with haproxy authentication

Dear Team, We are trying to setup 1 master 2 slave with sentinel redis and haproxy on centos 7 but

Sep 1

Aug 29

comparison in hiredis

Hi, how to compare a redisreply object to a string? A multi bulk reply. The number of elements in the

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comparison in hiredis

Hi, how to compare a redisreply object to a string? A multi bulk reply. The number of elements in the

Aug 29

s s, Viktor Söderqvist2

Aug 23

New User: Redis (with Nginx) Dynamic Page Caching Capabilities (vs Varnish)

Hi! Redis doesn't understand HTTP cache headers or even the HTTP protocol. Redis is a key-value

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New User: Redis (with Nginx) Dynamic Page Caching Capabilities (vs Varnish)

Hi! Redis doesn't understand HTTP cache headers or even the HTTP protocol. Redis is a key-value

Aug 23

surya megham, Greg Andrews3

Aug 23

ERR WATCH inside MULTI is not allowed

I think you are making sense, as there can be a situation where the code can throw an exception

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ERR WATCH inside MULTI is not allowed

I think you are making sense, as there can be a situation where the code can throw an exception

Aug 23

Jitesh Sinha, Greg Andrews2

Aug 23

Can keys of one namespace be distributed to multiple shards?

The open source Redis server comes in sharded and non-sharded configurations. The sharded Redis has

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Can keys of one namespace be distributed to multiple shards?

The open source Redis server comes in sharded and non-sharded configurations. The sharded Redis has

Aug 23

Ankit Gupta, Kunal Gangakhedkar3

Aug 18

How does Max Memory Policy works ?

All details about LRU mechanism are documented here: https://redis.io/topics/lru-cache Kunal On Wed,

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How does Max Memory Policy works ?

All details about LRU mechanism are documented here: https://redis.io/topics/lru-cache Kunal On Wed,

Aug 18

Gyanranjan Muduli, Viktor Söderqvist4

Aug 18

Unable to Restore bloomfile dump in Redis Cluster

Hi! You need -x "Read last argument from STDIN". $ redis-cli set 1 hello OK $ redis-cli --

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Unable to Restore bloomfile dump in Redis Cluster

Hi! You need -x "Read last argument from STDIN". $ redis-cli set 1 hello OK $ redis-cli --

Aug 18

David Montgomery, … Kunal Gangakhedkar6

Aug 18

Cant start redis Can't chdir to '/data/redis': Permission denied

I'm not suggesting to turn off SELinux - just be aware of its existence and find correct

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Cant start redis Can't chdir to '/data/redis': Permission denied

I'm not suggesting to turn off SELinux - just be aware of its existence and find correct

Aug 18

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