[squid-users] How to analyse squid memory usage

Dan Charlesworth dan at getbusi.com
Wed May 11 04:37:40 UTC 2016

Thanks Amos -

Not sure how self-explanatory the output is, though.

I’ve attached the output from a site with a 12GB server where top was showing 2.9GB allocated to squid (this is normal e.g. “the control"). But the mem output shows the allocated total as ~1GB, apparently?

Maybe things will become clearer once I have a “leaky” server’s output to compare with it.

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> On 10 May 2016, at 6:02 PM, Amos Jeffries <squid3 at treenet.co.nz> wrote:
> On 10/05/2016 2:35 p.m., Dan Charlesworth wrote:
>> A small percentage of deployments of our squid-based product are using oodles of memory—there doesn’t seem to be a limit to it.
>> I’m wondering what the best way might be to analyse what squid is reserving it all for in the latest 3.5 release?
>> The output of squidclient mgr:cache_mem is completely incomprehensible to me.
> Try mgr:mem report. It is TSV (tab-separated values) file format.
>  squidclient mgr:mem > mem.tsv
> ... and load mem.tsv using your favourite spreadsheet program. The
> column titles should then be self-explanatory.
> Amos
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