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Nelson's Weblog: tech / bad / leap-second-2012 -
July 1, 2012
"Yesterday’s leap second killed half the Internet, including Pirate Bay, Reddit, LinkedIn, Gawker Media and a host of other sites. Even an airline. Any Linux user processes that depends on kernel threads had a high chance of failing. That includes MySQL and many Java servers like webapps, Hadoop, Cassandra, etc. The symptom was the user process spinning at 100% CPU even after being restarted. A quick fix seems to be setting the system clock which apparently resets the bad state in the kernel (we hope)." -
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