> On Sep 19, 2016, at 03:31, René J.V. Bertin <rjvber...@gmail.com> wrote: > > On Monday September 19 2016 03:02:38 Jeremy Sequoia wrote: > >> /var/tmp definitely isn't cleared though. > > TMPDIR points into /var/folders.
Yes, and it looks like those do get cleared out on boot. Note, however, that this particular case relates to the cache dir, not tmp (C, not T). > Here's an example entry from macports's icon cache: > > %> sudo afsctool -vvv > /var/folders/11/_bf842l54ngf42g66hkzslmw0000gp/C/com.apple.IconServices/FFB06CC518D1C57091BDD19F39A692B6.iscachebmp > > /var/folders/11/_bf842l54ngf42g66hkzslmw0000gp/C/com.apple.IconServices/FFB06CC518D1C57091BDD19F39A692B6.iscachebmp: > File is HFS+ compressed. > File content type: dyn.age80w65dqfv0u3pcrz2a > File size (uncompressed data fork; reported size by Mac OS 10.6+ Finder): > 4194304 bytes / 4.2 MB (megabytes) / 4 MiB (mebibytes) > File size (compressed data fork - decmpfs xattr; reported size by Mac OS > 10.0-10.5 Finder): 112916 bytes / 115 KB (kilobytes) / 112 KiB (kibibytes) > File size (compressed data fork): 112932 bytes / 115 KB (kilobytes) / 112 KiB > (kibibytes) > Compression savings: 97.3% > Number of extended attributes: 0 > Total size of extended attribute data: 0 bytes > Approximate overhead of extended attributes: 536 bytes > Approximate total file size (compressed data fork + EA + EA overhead + file > overhead): 115488 bytes / 115 KB (kilobytes) / 113 KiB (kibibytes) > > There are a number of files of the same size, plus many smaller. I have no > idea how I can map this to an actual icon though. > > >>> Even if keeping track of who's entitled to access which bits of cached icon >>> info the cache agent could prune the cache, removing everything that hasn't >>> been accessed for more than a reasonably long time. >> >> Again, I think you are seeing something anomalous. You should investigate >> before jumping to conclusions. > > How large is your own icon cache directory? And asking here is me > investigating. I wouldn't really know where else to ask, Apple's > support/discussions forum? Doesn't seem like the most appropriate place to > discuss this kind of thing :) 6 MB for me. 1MB each for two others. # du -scm /private/var/folders/*/*/*/com.apple.iconservices 6 /private/var/folders/c1/7p4m5bx904392j49x1w2vyxh0000gn/C/com.apple.iconservices 1 /private/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/C/com.apple.iconservices 1 /private/var/folders/zz/zyxvpxvq6csfxvn_n00000z000007r/C/com.apple.iconservices 6 total
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