[jruby-dev] [jira] (JRUBY-6921) jruby leaks symbols

[Tim Olsen (JIRA)]

Tim Olsen created JRUBY-6921 jruby leaks symbols Issue Type: Bug Affects Versions: JRuby 1.7.0.RC1 Assignee: Unassigned Components: Core Classes/Modules Created: 06/Oct/12 7:30 PM Description: jruby leaks symbols: $ ruby --version jruby 1.7.0.RC1 (1.9.3p203) 2012-10-06 002134a on Java HotSpot(TM) 64-Bit Server VM 1.7.0_07-b10 [darwin-x86_64] $ ruby -e 'i = 0; loop { x = "sym#{i}".to_sym; i += 1 }' Error: Your application used more memory than the safety cap of 500M. Specify -J-Xmx####m to increase it (#### = cap size in MB). Specify -w for full OutOfMemoryError stack trace I suspect this is what is causing mongoid to leak memory. See https://github.com/mongoid/mongoid/issues/2439 . I've seen throughput on my rails app degrade by half and memory usage go up by multiple gigabytes after several hours. Environment: jruby 1.7.0.RC1 (1.9.3p203) 2012-10-06 002134a on Java HotSpot(TM) 64-Bit Server VM 1.7.0_07-b10 [darwin-x86_64] Project: JRuby Priority: Critical Reporter: Tim Olsen

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