我遇到与使用puma和rails 4的delayed_job有关的问题。重新启动delayed_job之后Puma崩溃了，我无法找到原因......
这是我唯一的相关日志：
Mar 28 11:19:01 localhost CRON[30015]: (deployer) CMD (/bin/bash -l -c 'cd /var/xxx/production/releases/20140324122442 && RAILS_ENV=production bin/delayed_job restart >> /var/xxx/production/releases/20140324122442/log/cron.log 2>&1')
Mar 28 11:19:08 localhost kernel: [270318.742814] select 1 (init), adj 0, size 225, to kill
Mar 28 11:19:08 localhost kernel: [270318.742824] select 789 (whoopsie), adj 0, size 345, to kill
Mar 28 11:19:08 localhost kernel: [270318.742826] select 905 (postgres), adj 0, size 646, to kill
Mar 28 11:19:08 localhost kernel: [270318.742829] select 27536 (bash), adj 0, size 1672, to kill
Mar 28 11:19:08 localhost kernel: [270318.742832] select 28704 (bash), adj 0, size 1673, to kill
Mar 28 11:19:08 localhost kernel: [270318.742834] select 29660 (ruby), adj 0, size 21780, to kill
Mar 28 11:19:08 localhost kernel: [270318.742836] select 29989 (ruby), adj 0, size 24133, to kill
Mar 28 11:19:08 localhost kernel: [270318.742838] send sigkill to 29989 (ruby), adj 0, size 24133