Programming VIP

scene Multiple services are running in one server. After running for a period of time (less than one day), it is found that a process occupies more than 50% of memory resources, resulting in server exceptions Solution First, start pprof performance analysis in the code runtime.SetBlockProfileRate(1) go func() { log.Println(http.ListenAnd ...

First of all, blog writing should be done at one go. Don't trust two or three days. The problems of the day should be solved and absorbed on the same day. Then be patient. You have to be patient in your study. Refer to this link for some content in this article: c + + memory management (super long, detailed examples, good layout)_ Caogenwangbo ...

Summary of 8 cases of memory leakage in java Since the java JVM introduces the garbage collection mechanism, the garbage collector will automatically collect objects that are no longer used. Those who understand the JVM collection mechanism know that the JVM uses the reference counting method and reachability analysis algorithm to judge whethe ...

Basic conceptsTo compare whether two objects are equal, you need to call the equals() method of the object:Judge whether the object addresses pointed to by the object reference are equalWhen the object addresses are equal, the data related to the object is also equal, including:object handle Object headerObject instance dataObject type dataYou ...