Filter ignored tags on Cache object #67
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And don't cache expired items
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Documentation
In
wmcontroller_redis 2.0we use the cachetagchecksum system to determine staleness of cache items.This breaks when the checksum is based on cachetags that should be ignored.
This PR makes sure we only keep the relevant cachetags on the stored cache objects.
I also noticed we cache items even when
wm-s-maxageis set to zero.The cached items are immediately expired, so we shouldn't bother caching it at all in that case.