Difference between -XX:+UseParallelGC and -XX:+UseParNewGC
May 19, 2020 · 3 Using -XX:+UseParNewGC along with -XX:+UseConcMarkSweepGC, will cause higher pause time for Minor GCs, when compared to -XX:+UseParallelGC. This is because, …
JVM flag -XX:+UnlockExperimentalVMOptions, is this removed …
Oct 10, 2020 · $ java -XX:+PrintFlagsFinal -version | grep UnlockExperimentalVMOptions openjdk version "1.8.0_265" OpenJDK Runtime Environment (build 1.8.0_265-8u265-b01 …
java - Difference between -XX:MaxPermSize=size and
Sep 23, 2025 · What is the difference between -XX:MaxPermSize and -XX:MaxMetaspaceSize options in terms of memory settings? The difference between -XX:MaxPermSize and …
Setting -XX:+DisableExplicitGC in production: what could go wrong?
Oct 2, 2015 · You are not alone in fixing stop-the-world GC events by setting the -XX:+DisableExplicitGC flag. Unfortunately (and in spite of the disclaimers in the …
Is -XX:+UseG1GC the correct replacement for -Xincgc?
Nov 25, 2015 · So what's the equivalent replacement for it? -XX:+UseG1GC? Background: The application has a heap of 8GB and creates a lot of short living objects. I noticed that it often …
c++ - .c vs .cc vs. .cpp vs .hpp vs .h vs .cxx - Stack Overflow
Possible Duplicates: *.h or *.hpp for your class definitions What is the difference between .cc and .cpp file suffix? I used to think that it used to be that: .h files are header files for C and C...
java - Clarification of meaning new JVM memory parameters ...
Jan 21, 2019 · -XX:InitialRAMPercentage is used to calculate initial heap size when InitialHeapSize / -Xms is not set. It sounds counterintuitive, but both -XX:MaxRAMPercentage …
SSN Regex for 123-45-6789 OR XXX-XX-XXXX - Stack Overflow
Can someone provide me a regex for SSN that matches either 123-45-6789 OR XXX-XX-XXXX I currently have ^\d{3}-?\d{2}-?\d{4}$ which matches the first expression, but I need to add the …
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 This option was deprecated in JDK 8, and superseded by the -XX:MaxMetaspaceSize option.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 …
Regular Expression to validate xx-xxxxxxx or xxx-xx-xxxx
Sep 26, 2014 · 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 …