First off, on all modern UNIXes /var/run does not persist across reboots. The general method of handling the PID file is to create it during initialization and delete it from any exit, either normal or signal handler. There are two canonical ways to atomically create/check for the file. The main one these days is to … Read more
I’ve looked extensively at Zookeeper/Curator, Eureka, etcd, and consul. Zookeeper/Curator and Eureka are in many ways the most polished and easiest to integrate if you are in the Java world. Etcd is pretty cool and very flexible, but It is really just a HA key store so you would have to write a lot of … Read more
Try adding <lockingModel type=”log4net.Appender.FileAppender+MinimalLock” /> to your <appender /> element. There is some performance impact because this means that log4net will lock the file, write to it, and unlock it for each write operation (as opposed to the default behavior, which acquires and holds onto the lock for a long time). One implication of the … Read more