Difference between Xms and Xmx and XX:MaxPermSize -XX:MaxPermSize=size Sets the maximum permanent generation space size This option was deprecated in JDK 8, and superseded by the -XX:MaxMetaspaceSize option Sizes are expressed in bytes Append the letter k or K to indicate kilobytes, m or M to indicate megabytes, g or G to indicate gigabytes References: How is the java memory pool divided?
Regular Expression to validate xx-xxxxxxx or xxx-xx-xxxx string1 = xxx-xx-xxxx or string1 = xx-xxxxxxx How can I make the regex accept both kinds of values for the same element? The x's represent numbers only so total number of digits = 9 (anything between 0-9) total number of elements in the value is either 11 or 10 depending on which format and total number of dashes is either 2 or 1
Decoding facebooks blob video url - Stack Overflow I found blob:https: www facebook com c7e5a634-2343-4464-a03e-4a1987301ca1 video source on Facebook's private group and I really can't download the video by entering
What is the meaning of the -XX:NewRatio and -XX:OldSize JVM flags? I've verified with the VisualGC plugin for JVisualVM that a higher value of -XX:NewRatio results in a larger "old" generation size, so the ratio must have "old" in the numerator, not the denominator (Tested with Sun HotSpot JVM version 1 6 0_45 )
Increase heap size in Java - Stack Overflow -XX:MaxRAMPercentage=percent The MaxRAMPercentage parameter allows setting the maximum heap size for a JVM running with a large amount of memory (greater than 200 MB) This is the option that can be used for the case mentioned in the question:-XX:MaxRAMPercentage=75 -XX:MinRAMPercentage=percent
Mockito is currently self-attaching to enable the inline-mock-maker . . . I added the above XML snippet to my pom xml and added the argument -XX:+EnableDynamicAgentLoading to the VM parameters All warnings were cleared except the first line Mockito is currently self-attaching to enable the inline-mock-maker The XML snippets didn't have any effect Any help would be appreciated –
Is -XX:+UseG1GC the correct replacement for -Xincgc? Unfortunately, when searching for Java tuning pages on the Web, there are many documents that recommend the use of CMS in incremental mode by setting one of the command-line switches-XX:+CMSIncrementalMode or -Xincgc