Rails.cache.write returns false with MemCacheStore even if the operation
was successful done.
result = Rails.cache.write('key', 'value')
Rails.cache.read('key') # => value
puts result # => false
The problem is trivial: MemCache#set doesn't return any result, so the
check performed by MemCacheStore#write will always fail.
http://github.com/rails/rails/tree/master/activesupport/lib/active_support/cache/mem_cache_store.rb#L41
The described behavior is related to memcache-client (1.5.0). I noticed
differences between the gem installed on my machine and the bundled one:
memcached-client (1.5.0) gem
http://pastie.org/296380
memcached-client (1.5.0) bundled
http://github.com/rails/rails/tree/master/activesupport/lib/active_support/vendor/memcache-client-1.5.0/memcache.rb#L322
I created a ticket and attached a patch to it
http://rails.lighthouseapp.com/projects/8994-ruby-on-rails/tickets/1239-railscachewrite-returns-false-with-memcachestore
Best,
Luca
--
blog: www.lucaguidi.com
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