Is it better to restart all the instances in a Redis cluster or just flush the cache when we restart other services in the application

[riya agarwal]

As a part of our application we have multiple services running. We are newly introducing redis cluster. The services are all restarted weekl, sometimes daily in testing env. Just wanted to understand if it is ok to just clear the redis cache when other services are restarted or it's good to restart the redis services as well. We are not using persistence so restart would also clear the cache, but is there any other additional benefit of restarting.

Thanks a lot!!

[Itamar Haber]

Hello Riya,

In this scenario, using Redis' `FLUSHALL ASYNC` instead of restarting would save you the time it takes to restart the host/service - although Redis is quite a fast booter. so that's a negligible benefit. On the other hand, when you restart Redis, any memory fragmentation is magically gone and that may be a bonus.

The bottom line is that both options are valid imo.

Cheers,

On Mon, May 25, 2020 at 10:26 AM riya agarwal <riya...@gmail.com> wrote:

As a part of our application we have multiple services running. We are newly introducing redis cluster. The services are all restarted weekl, sometimes daily in testing env. Just wanted to understand if it is ok to just clear the redis cache when other services are restarted or it's good to restart the redis services as well. We are not using persistence so restart would also clear the cache, but is there any other additional benefit of restarting.

Thanks a lot!!

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Itamar Haber Technicalist Evangely Phone: +972.54.567.9692

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[riya agarwal]

Thanks a lot!!

On Monday, May 25, 2020 at 8:45:29 PM UTC+8, Itamar Haber wrote:

Hello Riya,

In this scenario, using Redis' `FLUSHALL ASYNC` instead of restarting would save you the time it takes to restart the host/service - although Redis is quite a fast booter. so that's a negligible benefit. On the other hand, when you restart Redis, any memory fragmentation is magically gone and that may be a bonus.

The bottom line is that both options are valid imo.

Cheers,

On Mon, May 25, 2020 at 10:26 AM riya agarwal <riy...@gmail.com> wrote:

As a part of our application we have multiple services running. We are newly introducing redis cluster. The services are all restarted weekl, sometimes daily in testing env. Just wanted to understand if it is ok to just clear the redis cache when other services are restarted or it's good to restart the redis services as well. We are not using persistence so restart would also clear the cache, but is there any other additional benefit of restarting.

Thanks a lot!!

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You received this message because you are subscribed to the Google Groups "Redis DB" group.

To unsubscribe from this group and stop receiving emails from it, send an email to redi...@googlegroups.com.

To view this discussion on the web visit https://groups.google.com/d/msgid/redis-db/0f5099bf-2460-4181-9e13-063c8beaba7b%40googlegroups.com.

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Itamar Haber Technicalist Evangely Phone: +972.54.567.9692