laravel出现proc

laravel会出现proc_open(): fork failed - Cannot allocate memory的报错，具体如下：

[2019-11-01 00:21:02] production.ERROR: exception 'ErrorException' with message 'proc_open(): fork failed - Cannot allocate memory' in /var/www/myproject/vendor/symfony/console/Application.php:958 Stack trace: #0 [internal function]: Illuminate\Foundation\Bootstrap\HandleExceptions->handleError(2, 'proc_open(): fo...', '/var/www/sain3e...', 958, Array) #1 /var/www/myproject/vendor/symfony/console/Application.php(958): proc_open('stty -a | grep ...', Array, NULL, NULL, NULL, Array) #2 /var/www/myproject/vendor/symfony/console/Application.php(753): Symfony\Component\Console\Application->getSttyColumns() #3 /var/www/myproject/vendor/symfony/console/Style/SymfonyStyle.php(387): Symfony\Component\Console\Application->getTerminalDimensions() #4 /var/www/myproject/vendor/symfony/console/Style/SymfonyStyle.php(51): Symfony\Component\Console\Style\SymfonyStyle->getTerminalWidth() #5 /var/www/myproject/vendor/laravel/framework/src/Illuminate/Console/Command.php(134): Symfony\Component\Console\Style\SymfonyStyle->__construct(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput)) #6 /var/www/myproject/vendor/symfony/console/Application.php(843): Illuminate\Console\Command->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput)) #5 /var/www/myproject/vendor/laravel/framework/src/Illuminate/Foundation/Exceptions/Handler.php(122): Symfony\Component\Console\Application 32,1 66% #7 /var/www/myproject/vendor/symfony/console/Application.php(188): Symfony\Component\Console\Application->doRunCommand(Object(Illuminate\Console\Scheduling\ScheduleRunCommand), Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput)) #8 /var/www/myproject/vendor/symfony/console/Application.php(119): Symfony\Component\Console\Application->doRun(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput)) #9 /var/www/myproject/vendor/laravel/framework/src/Illuminate/Foundation/Console/Kernel.php(94): Symfony\Component\Console\Application->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput)) #10 /var/www/myproject/artisan(36): Illuminate\Foundation\Console\Kernel->handle(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput)) #11 {main}

遇到上面的问题的解决方法

/bin/dd if=/dev/zero of=/var/swap.1 bs=1M count=1024 /sbin/mkswap /var/swap.1 /sbin/swapon /var/swap.1

第一行：创建一个 1G 大小的文件 第二行：格式化该文件 第三行：将该文件挂载至文件系统中。 效果，内存大了一些