Re: [squid-users] negative values in mgr:info

On Mon, Feb 17, 2014 at 11:15 AM, Niki Gorchilov <niki_at_gorchilov.com> wrote:
> Hello,
>
> While using Squid 3.4.3 on 64bit Ubuntu 12.04.3 with 64GB cache mem
> and I see negative values in some memory-related statistics:
>
> ===[cut]===
> Memory usage for squid via mallinfo():
> Total space in arena: -972092 KB
> Ordinary blocks: -974454 KB 4472 blks
> Small blocks: 0 KB 0 blks
> Holding blocks: 740328 KB 19 blks
> Free Small blocks: 0 KB
> Free Ordinary blocks: 2362 KB
> Total in use: 2362 KB -1%
> Total free: 2362 KB -1%
> Total size: -231764 KB
> Memory accounted for:
> Total accounted: 1834725 KB -792%
> memPool accounted: 77332197 KB -33367%
> memPool unaccounted: -77563961 KB -0%
> memPoolAlloc calls: 13874752170
> memPoolFree calls: 13959152640
> ===[cut]===
>
> Are these result of integer overflow or using signed integers?

The former.
The OS API we rely on to collect those uses 32-bit signed integers.
There's nothing we can do about it, I'm sorry :(

-- 
    Kinkie