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Rack::Cache quickly fills up entitystore with old content #72

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mperham opened this Issue Aug 12, 2012 · 1 comment

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mperham commented Aug 12, 2012

We're using redis-rack-cache for our store. We found that our Redis install was quickly taking all available memory, even though our pages are Cache-Control: public, max-age=180.

What I discovered is that rack-cache.use_native_ttl is not documented and not enabled by default; the Redis driver sets the content with no expiration at all meaning Redis will keep it around forever.

  1. Could you document this flag? I was going off of this page: http://rtomayko.github.com/rack-cache/configuration
  2. Does it make sense to enable this flag by default so it doesn't happen to others?
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mperham commented Aug 12, 2012

It looks like MetaStore doesn't support native TTL at all so Redis will eventually fill up with cruft anyways.

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