http://blog.ronnyegner-consulting.de/2011/10/13/info-task-blocked-for-more-than-120-seconds/
By default Linux uses up to 40% of the available memory for file system caching.
You can lower the mark for flushing the cache from 40% to 10% by setting “vm.dirty_ratio=10″ in /etc/sysctl.conf.
Rownum quiz
-
Here’s a silly little puzzle that baffled me for a few moments until I
spotted my typing error. It starts with a small table I’d created to hold a
few rows...
Acum o zi
Niciun comentariu:
Trimiteți un comentariu