Re: tgtd memory usage

[Tomasz Chmielewski <mangoo@xxxxxxxx>]

On 24.03.2011 02:45, FUJITA Tomonori wrote:
> On Wed, 23 Mar 2011 17:37:53 +0300
> Степан Фёдоров<stepan.fedorov@xxxxxxxx>  wrote:
>
> > My iSER target node has 24Gb of memory. When i add about ~500 LUNs
> > with tgtadm, next i got error "tgtadm: out of memory".
> >
> > 24Gb/500 LUNs == "something about 50 megabytes of memory per LUN".
> >
> > My question is: how can i control this memory usage, and is there
> > ability for me to add about 3500 LUNs on my node with 24Gb of memory?
>
> What version of tgt you use? x86-64 or x86?
>
> I suspect that you hit the number of threads that a single process can
> have.
>
> The amount of system memory can't do anything for it.

What are the options to have it worked around (long term, in tgtd code)?

Is preforking a new tgtd process if X threads are reached an option?


--
Tomasz Chmielewski
http://wpkg.org

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