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Diffstat (limited to 'KNOWN_ISSUES')
-rw-r--r-- | KNOWN_ISSUES | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/KNOWN_ISSUES b/KNOWN_ISSUES index 83b3584..e83e34e 100644 --- a/KNOWN_ISSUES +++ b/KNOWN_ISSUES @@ -3,6 +3,14 @@ Occasionally odd {issues}[link:ISSUES.html] arise without a transparent or acceptable solution. Those issues are documented here. +* When using "preload_app true", with apps using background threads + need to restart them in the after_fork hook because threads are never + shared with child processes. Additionally, any synchronization + primitives (Mutexes, Monitors, ConditionVariables) should be + reinitialized in case they are held during fork time to avoid + deadlocks. The core Ruby Logger class needlessly uses a MonitorMutex + which can be disabled with a {monkey patch}[link:examples/logger_mp_safe.rb] + * Rails 2.3.2 bundles its own version of Rack. This may cause subtle bugs when simultaneously loaded with the system-wide Rack Rubygem which Unicorn depends on. Upgrading to Rails 2.3.4 (or later) is |