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Merged Facebook commit bdab302a7e3c37da21a1bffe1550cdbe6c906695 by Inaam Rana from https://github.com/facebook/mysql-5.6. In os_event_wait_time_low() the logic to calculate abs_time for wait is broken. The bug has been present at least since 5.5. It gets acutely sensitized when sub-second wait intervals are passed. It is particularly relevant to us because the page_cleaner thread will mostly request sub-second wait intervals. This can potentially lead to a near tight loop behaviour of page_cleaner with much less sleep then what we'd actually expect. |
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| os0file.cc | ||
| os0proc.cc | ||
| os0stacktrace.cc | ||
| os0sync.cc | ||
| os0thread.cc | ||