Cache

Azure Cache is a family of cache offerings that support high throughput, low-latency data access, to enable building fast, scalable applications.
- Azure Redis Cache (Preview) is based on the popular open source Redis Cache engine. The service gives users access to a secure, dedicated Redis Cache, managed by Microsoft.
- Azure Managed Cache Service: Built on App Fabric Cache. This is a dedicated managed service.
- In-Role Cache: Built on App Fabric Cache. This is a self-hosted cache, available via the Azure SDK.

  1. Azure Redis Cache Diagnostic Logs

    Can we please provide option to enable and collect the diagnostics logs for the Azure Redis Cache instance.

    Note: As of now Azure redis supports only metrics but not logging

    7 votes
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  2. Allow to specify TCP idle timeouts and enable TCP resets in internal load balancer of Redis Cache

    We use Jedis to connect with our Redis Cache. It has a known issue, which causes it to block indefinitely if a TCP connection fails during some operations. It happens due to infinite socket timeout specified for these operations. Link: https://github.com/xetorthio/jedis/issues/426

    We bumped into this issue recently during Redis Cache failover, when we experienced a significant number of socket timeouts. It looked like connections were not closed properly.
    One of the failed connections happened to be used for complex operation mentioned in above GitHub issue. As a result, our Jedis thread was blocked for 15 minutes before idle connection was…

    48 votes
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  3. Support Redis 6.0

    Redis 6.0 is released and brings a highly desired feature such as access control.

    Are there plans to support Redis 6.0?

    18 votes
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  4. Support redis version 5.0

    We would like to use Redis Streams, so we would like if Azure Cache supported redis version 5.0

    86 votes
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  5. Add time stamps for redis cache deployment name

    redis cache deployments from the portal always using the same name "redis.cache" and new deployments will replace the old deployment history. Please work on adding a time stamp in the deployment name.

    1 vote
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  6. Add ability to add modules to Redis Cache service

    It would be good to have the ability to add external modules to Redis Cache service. We have an use case to store JSON in Redis and ReJSON module supports that. Inability to add ReJSON to Azure Redis Cache costs us a lot.

    11 votes
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  7. Service Status for Maintenance on hosts or Redis Service

    When maintenance is carried out on the Redis Cache hosts or Redis Services, no indication of this is given anywhere.
    We need to be forewarned about maintenance.
    When monitoring starts detecting issues we are then ready for it or at least know why we are getting the connection errors or timeouts.

    Currently when maintenance is done:
    Azure service status => ZERO INDICATION
    Azure Planned maintenance => ZERO INDICATION
    Health Alerts => ZERO INDICATION
    Redis Cache Health => ZERO INIDCATION

    64 votes
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  8. Make Redis creation more reliable

    I have an ARM template that creates Redis resources, basic tier. Usually, Redis spins up fine, but, occasionally, it completes with Azure Redis giving a status of "Failed". All calls will then result in an error. I then have to delete the resource and try again.

    This is something that Azure should be doing on its own. When Azure reports that it created a resource for me, there should actually be a working resource there.

    3 votes
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  9. [Request] Please fix error messages when deploying Azure Redis Cache

    I try to create Azure Cache for Redis on VNET that does not meet the inbound and outbound port requirements, I get the following error:
    {"code":"DeploymentFailed","message":"At least one resource deployment operation failed. Please list deployment operations for details. Please see https://aka.ms/arm-debug for usage details.","details":[{"code":"Conflict","message":"{\r\n "status": "Failed",\r\n "error": {\r\n "code": "ResourceDeploymentFailure",\r\n "message": "The resource operation completed with terminal provisioning state 'Failed'."\r\n }\r\n}"}]}

    Since the error message was confusing, it was confused with the presence of Redis of the same name, and it took a long time to investigate.
    Could you please improve the error message properly when building of Azure Redis…

    5 votes
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  10. Guide not complete for 2.2

    Solution won't recognize .AddUserSecret until you add a nuget package fot it Microsoft.Extensions.Configuration.AddUserSecrets

    1 vote
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  11. Ability to view list of connected clients

    While on a support call you provided a list of the connected clients to a Redis Cache that we ourselves were not able to get through running commands, example below:


    Initial Analysis: For rediscache here is the connected clients:
    [04:32:23.4286188] Current Connections per Client (master):
    Connection Type: Normal
    104.45.143.245 (
    2000000) => 4299
    104.45.143.245 (
    2000002) => 546
    104.45.143.245 (
    2000001) => 96
    104.45.143.245 (
    2000004) => 12
    52.170.215.107 (
    ***000001) => 6


    To have the ability to get this list would be very helpful from a troubleshooting standpoint as today we are only able to get a list of…

    9 votes
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  12. Redis Cache host server update

    We want to see the health report of Redis Cache if host server or guest server on which Redis cache is running is getting upgraded.

    Currently, we don't have any report about when the redis cache became unavailable. Yesterday our redis cache was failing to make connection to our application and it failed with Socket failure error when I looked into the resource health it was showing available so this information was not correct.

    3 votes
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  13. application insights redis cache dependency tracking

    hi, in one of my api i started calling redis cache using microsoft redis client library for .net core. so it will check in cache and if not found then it will call another microservice using httpclient call. Am noting in application insight end to end transaction details page its not showing up calls made to redis cache. I will have to use custom api to send that data to application insight it would be great if application insights even shows external calls to redis cache grouped in transaction details report in application insights

    3 votes
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  14. Increase number of databases

    Is there a way to increase the number of databases? Based on the tier, I am limited to fixed number of databases, but is there a negative impact if I wanted to increase beyond this number? Since the memory of the cache applies across all databases, why is there these limits?

    1 vote
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  15. Provide Redis node event logs

    Currently if a Redis node swaps due to patching or failing there is no way to figure this out in the Azure portal. The only way to find out is to log a service ticket. Which isnt great for the customer and worse for MS.

    Please provide an event log in the portal that customers can use to see what node failures or swaps happen in the cluster.

    81 votes
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  16. Add Redis certificates to java truststore

    Connecting from java client to Azure Redis SSL port requires us to import the Redis certificate to java kestore. This is not documented in the Redis SSL java client. Is it posssible to add the certificate to JDK itself ?

    1 vote
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  17. Azure Portal: Redis 'Sets' metric should include counts from cmdstat_hset, cmdstat_hmset

    According to documentation Redis 'Sets' metric should include stats from following commands: cmdstatset, cmdstathset, cmdstathmset, cmdstathsetnx, cmdstatlset, cmdstatmset, cmdstatmsetnx, cmdstatsetbit, cmdstatsetex, cmdstatsetrange, and cmdstat_setnx.

    Stats for hset and hmset commands are never displayed on 'Gets\Sets' chart in Azure portal. I've checked Redis stats using "info commandstats" command and those two stats (cmdstathset, cmdstathmset) are getting updated inside Redis Server but those changes are never reflected in Azure Portal metrics.
    Seems to be a bug.
    Related documentation: https://docs.microsoft.com/en-us/azure/redis-cache/cache-how-to-monitor

    45 votes
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  18. Add more detailed analytics about gets and sets to diagnose problems and monitor cache

    Currently there's no easy way when we see a spike in gets or sets to see what's happening. We have to start guessing, and neither the monitoring dashlets nor the Application Insights external dependency track are useful. It'd be great to have some form of get/set tracking to diagnose problemas.

    3 votes
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  19. azure redis cache pricing page

    The information in this page (https://azure.microsoft.com/en-us/pricing/details/cache/) seems to be wrong - headers for 2nd and 3rd columns seem swapped as they list that Standard is the top performance tier, whereas Premium is in-between Basic and Standard.
    Also, you should consider a more effective way to report this type of bugs, directly in the page, rather than going to a general feedback forum which may not be the proper place...

    2 votes
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  20. Add measurable unit of Redis Cache performance like DTU (for SQL Database)

    We sometimes face performance issues. Microsoft provides the following documentation to investigate timeout problem.
    <https://azure.microsoft.com/en-us/documentation/articles/cache-how-to-troubleshoot/#stackexchangeredis-timeout-exceptions>

    But we can't identify root cause easily. So personally I think measurable unit of Redis Cache Performance like DTU for SQL database is very useful for customer. I understand Redis Cache Advisor is very helpful for us. But if you can, could you please consider this kind of ability for good experience.

    28 votes
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