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Re: cache_dir aufs grows larger than config'ed

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[resending -- left of list addr last time]

>> These are clearly over the 300,000K limit  -- and the swap stat files
>> are less than 1MB.
>
> Um, you mean the 300 GB limit configured.  307,200,000 KB to be precise.

Yes, right.

> Which indicates that something other than Squid data cache is going into
> those disks. OR, the unlinkd eraser process is not working.

Nothing else is going in there.   2000 files which I can visually
inspect are of the format /XX/YY/ZZZZZZZZ

> You may want to locate and remove the "none" files created by the above
> logging. If they are in /squid/cache that is likely your problem.

I don't have any 'none' files.   The squid 3.1.8 docs says 'none' is the
default as well.  And lsof shows no files named 'none' opened.

> cache_log contains the critical and important administrative messages when
> things go horribly wrong. There may be something logged there that will make
> your problem clearer.

Yes, I'll turn that on.

Current statistics are:

Store Directory Statistics:
Store Entries          : 2052
Maximum Swap Size      : 204800000 KB
Current Store Swap Size: 117010612 KB
Current Capacity       : 57% used, 43% free

Store Directory #0 (aufs): /build/mts/squid/cache
FS Block Size 4096 Bytes
First level subdirectories: 64
Second level subdirectories: 256
Maximum Size: 204800000 KB
Current Size: 117010612 KB
Percent Used: 57.13%
Filemap bits in use: 2025 of 16384 (12%)
Filesystem Space in use: 178800012/422289984 KB (42%)
Filesystem Inodes in use: 119414/422421056 (0%)
Flags: SELECTED

Number of files matches what is actually there:

$ sudo find . -type f | wc -l
2026

And summing the ls -s output of all the files gets me 175,731,252

$ sudo du -sk /build/mts/squid/
175740120       /build/mts/squid/

Which matches the du.

I suspect something is wrong in the accounting code.  Possibly
somewhere a signed/unsigned or 32bit/64bit incorrect cast.


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