20120330-reproduce-floating-data-oddb_org

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Test

• what happens if ODBA.cache.cleaner stops

/usr/local/lib/ruby/gems/1.9.1/gems/odba-1.0.8/lib/odba/cache.rb

 module ODBA
   class Cache
    include Singleton
    include DRb::DRbUndumped
    CLEANER_PRIORITY = 0  # :nodoc: 
    #CLEANING_INTERVAL = 5 # :nodoc: 
    CLEANING_INTERVAL = 0 # :nodoc: 

Result

• Nothing happens

Note

• It is sure that
  • ODBA.cache.clean is not thread safe
  • Persistable#odba_stubize causes data floating

This patch may help (change mutex part in ODBA.cache)

• Attach:odba_cache_mutex.patch.20120330.txt