This article mainly explains the use of java's built-in command line tools jmap, jhat and jinfo through code examples. Friends in need can refer to java's built-in command line tools (jmap, jhat, jinfo) (1 ) JMAP1. Functions to print detailed information of processes, core files, and shared object storage maps or heap memory of remote processes. 2. Use jmap[options]pid jmap[options]executablecore jmap[options][pid]server-id@]remote-hostname-or-IP If the specified process is running on a 64-bit Java Virtual Machine (JVM), then you may need to specify the -J-d64 option, for example: jmap -J-d64 -heap pid. 3. Parameter options 3.1 When no option is used, the jmap command prints the shared object mapping such as C:\Users\Administrator>jmap9208 AttachingtoprocessID9208,
1. Share the detailed explanation of the methods of jmap, jhat and jinfo that come with java
##Introduction: This article mainly explains the use of Java's own command line tools jmap, jhat and jinfo through code examples. Friends in need can refer to it
2. PHP query oracle returns field reading, how to deal with it
Introduction: PHP query oracle returns field reading PHP query oracle After entering the database, the value of a field is: ["IJINFO"]=> object(OCI-Lob)#108 (1) { ["descriptor"]=> resource(117) of type (oci8 de
3. php query oracle returns field reading, how to deal with it
Introduction: php query oracle returns field reading php After querying the oracle database, the value of a certain field is: ["IJINFO"]=> object(OCI-Lob)#108 (1) { ["descriptor"]=> resource(117) of type (oci8 de
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