On Mon, Oct 19, 2015 at 03:13:04PM -0600, Mike Brown wrote:
> On Mon, Oct 19, 2015 at 10:19:00AM -0600, Mike Brown wrote:
> > However, it consumes all available memory for over 20 minutes if I add this:
> > table aliases file:/usr/local/etc/mail/aliases
>
> I learned about truss(1), so gave it a try, and hit ctrl-C when it got into
> the memory allocation hole:
>
> open("/usr/local/etc/mail/aliases",O_RDONLY,0666) = 5 (0x5)
> fstat(5,{ mode=-rw-r--r-- ,inode=753053,size=11,blksize=32768 }) = 0 (0x0)
> read(5,"root: mike\n",32768) = 11 (0xb)
> read(5,0x20c91000,32768) = 0 (0x0)
> mmap(0x0,4194304,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,4194304,0x400000)
> = 553648128 (0x21000000)
> madvise(0x20c99000,0x201000,0x5,0xfffff000,0x20c00000,0x0) = 0 (0x0)
> madvise(0x20c2e000,0x1000,0x5,0xfffff000,0x20c00000,0x0) = 0 (0x0)
> madvise(0x20c63000,0x1000,0x5,0x20c00204,0x20c00000,0x0) = 0 (0x0)
> mmap(0x0,8388608,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,4194304,0x800000)
> = 557842432 (0x21400000)
> munmap(0x21000000,4194304) = 0 (0x0)
> mmap(0x0,16777216,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,4194304,0x1000000)
> = 566231040 (0x21c00000)
> munmap(0x21400000,8388608) = 0 (0x0)
> mmap(0x0,33554432,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,4194304,0x2000000)
> = 583008256 (0x22c00000)
> munmap(0x21c00000,16777216) = 0 (0x0)
> mmap(0x0,67108864,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,4194304,0x4000000)
> = 616562688 (0x24c00000)
> ^CSIGNAL 2 (SIGINT)
>
> For this test, the aliases file has just one line, the "root: mike" + newline
> as you see in the truss output.
>
> Not sure if this tells you anything or not.
>
This should definitely be added to the ticket.
I don't have an immediate solution for you, I need to have a deeper look
at this, but could you try using the db: backend and let me know if this
also happens ?
--
Gilles Chehade
https://www.poolp.org @poolpOrg
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