[rabbitmq-discuss] Rabbitmq cluster design and HA

[Matthias Radestock]

On 05/05/14 18:15, srikanth tns wrote:
> here is the settings we have now on rabbitmq
>
> Memory and Disk settings:
> {rabbit, [{reverse_dns_lookups,
> true},{vm_memory_high_watermark_paging_ratio,
> 0.8},{vm_memory_high_watermark, 0.7},{disk_free_limit, 1000000000}]}

As I said: "I wouldn't touch the memory watermark settings unless 
experimentation shows that even in extreme usage scenarios memory is 
underutilised."

> HA queues : we made ha-mode=exactly with 2 nodes
>
> 2 DISC , 1 RAM
>
> OS level changes : we made /var diskspace to 20G and ulimit open files
> to 327679
>
> Are these changes good enough for better performance ?

That's impossible to say. I suggest you run some tests.

> Also I noticed in the management UI , the listconnections does not
> show the connections status as running or blocked , it just shows
> blank ? does it mean something ?

That shouldn't happen. Please post a screenshot.

Matthias.