Posted on 19/09/2014 by Stewart Smith So, I’ve been looking around for a while (and a few times now) for any good resources that cover a bunch of MySQL architecture and technical details aimed towards the technically proficient but not MySQL literate…
To achieve high availability and consistency targets, adjust the following parameters to meet your requirements: Replication Factor Preferred Leader Election Unclean Leader Election Acknowledgements Minimum In-sync Replicas Kafka MirrorMaker Replicat…
升级 iOS 10 之后目测坑还是挺多的,记录一下吧,看看到时候会不会成为一个系列. 直入正题吧 今天用一个项目小小练下手,发现调用相机,崩了.试试看调用相册,又特么崩了.然后看到控制台输出了以下信息:This app has crashed because it attempted to access privacy-sensitive data without a usage description. The app's Info.plist must contain an NSPhotoL…
" Fsck Failed please repair manually and reboot. the root filesystem is currently mounted as read-only. to remount it red-write do : bash# mount -n -o remount,rw / only CONTROL+D will reboot the system in this maintenance mode shutdown and reboot wil…
服务器上线之后,发生了3次crash,感觉是一次比较典型的内存bug的排错经历,所以特地记录下来供以后借鉴.下面描述一下3次crash时候的coredump的当前堆栈信息. 第一次crash的coredump文件: #0 0x00007f6f02d845f7 in raise () from /lib64/libc.so.6 #1 0x00007f6f02d85ce8 in abort () from /lib64/libc.so.6 #2 0x00007f6f02dc4317 in __lib…