Description of problem: My scripts started repeatably downloading huge files. It was always immediate in F-16 as the files were cached. squid caches files up to 4MB which is the default of 'maximum_object_size'. One cannot override it for higher size. Version-Release number of selected component (if applicable): PASS: squid in F-16 Unknown in F-17. FAIL: squid-3.2.9-1.fc18.x86_64 How reproducible: Always. Steps to Reproduce: cat >>/etc/squid/squid.conf <<EOH cache_dir ufs /var/spool/squid 10000 16 256 maximum_object_size 10 MB EOH systemctl restart squid.service head -qc 5m /dev/zero >/var/www/html/test http_proxy=http://127.0.0.1:3128 curl -v -H Pragma: -o test -R -S --fail http://localhost/test http_proxy=http://127.0.0.1:3128 curl -v -H Pragma: -o test -R -S --fail http://localhost/test Actual results: X-Cache: MISS from host2.jankratochvil.net X-Cache-Lookup: MISS from host2.jankratochvil.net:3128 Expected results: X-Cache: HIT from host2.jankratochvil.net X-Cache-Lookup: HIT from host2.jankratochvil.net:3128 Additional info:
Try this: cache_dir ufs /var/spool/squid 10000 16 256 max-size=10485760 maximum_object_size 10 MB
X-Cache: HIT from host2.jankratochvil.net X-Cache-Lookup: HIT from host2.jankratochvil.net:3128 Wow, it works, thanks. So the bug is in that the last line is no longer valid for new Squid: # TAG: maximum_object_size (bytes) # The default limit on size of objects stored to disk. # This size is used for cache_dir where max-size is not set. Another problem is latest Fedora Squid NVR is terribly obsolete (Bug 909940).
No problem, I found your bug and one other earlier in the day - I had the same issue with 3.3.4. Other bug: http://bugs.squid-cache.org/show_bug.cgi?id=3830
I might have stumbled on the cause of this today after realising my squid install wasn't caching objects > 4MB. maximum_object_size will be observed by cache_dir if it appears before the cache_dir line in the config file. squid.conf.documented unfortunately documents the two items as: # TAG: cache_dir [..] # TAG: maximum_object_size [..] so it would be easy for one to configure these 'out of order'. Hope that helps.
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