[rabbitmq-discuss] RabbitMQ management plugin memory usage in Chrome

Tue Jan 25 09:14:51 GMT 2011

I don't have Firefox but I tried this in IE 8.0 and get the same behaviour (1GB usage after leaving running overnight).

Thanks,
Jon

-----Original Message-----
From: Jon Rowland 
Sent: 18 January 2011 14:49
To: Simon MacMullen; rabbitmq-discuss at lists.rabbitmq.com
Subject: RE: [rabbitmq-discuss] RabbitMQ management plugin memory usage in Chrome

Thanks - it's no problem for me, but I thought it worth reporting.

I also don't have the required skills/knowledge to probe any deeper unfortunately...

-----Original Message-----
From: rabbitmq-discuss-bounces at lists.rabbitmq.com [mailto:rabbitmq-discuss-bounces at lists.rabbitmq.com] On Behalf Of Simon MacMullen
Sent: 18 January 2011 13:54
To: rabbitmq-discuss at lists.rabbitmq.com
Subject: Re: [rabbitmq-discuss] RabbitMQ management plugin memory usage in Chrome

On 17/01/11 08:56, Jon Rowland wrote:
> I left a test app running over the weekend which publishes 1000 msg/sec
> to a broker. I also left the management plugin page open on the Channels
> tab running in Chrome.
>
> I happened to notice that Chrome was using an enormous amount of memory
> - over 1GB and very slowly increasing. As soon as I navigated to another
> page outside of the management console, without restarting the browser,
> the memory was released.
>
> No idea if this is 'bug' or 'feature' but thought you may be interested.

Hi Jon. I'm sure this is a bug, I'm just not sure if it's in 
rabbitmq-management or in Chrome :(

You're not supposed to be able to do anything to leak memory in 
JavaScript + HTML. In old browsers you're supposed to avoid circular 
references between DOM elements and closures, and AFAICS we do that. So 
if there is some bugfix or workaround I'm not sure how to find it.

At the moment the best advice I can give is to decrease the refresh 
frequency if this is a problem...

Cheers, Simon

-- 
Simon MacMullen
Staff Engineer, RabbitMQ
SpringSource, a division of VMware

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