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 from …
Oct 10, 2020 · $ java -XX:+PrintFlagsFinal -version | grep UnlockExperimentalVMOptions openjdk version "1.8.0_265" OpenJDK Runtime Environment (build 1.8.0_265-8u265-b01-0ubuntu2~20.04 …
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 documentation), …
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 paused …
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 second …
jboss - java.lang.OutOfMemoryError: Metaspace
Nov 28, 2024 · Since we are getting java.lang.OutOfMemoryError: Metaspace we have planned to increase the -XX:MaxMetaspaceSize size. Question: Currently we are using 6GB of RAM in the …
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 of digits = 9 …
java - -XX:+UseConcMarkSweepGC (what is default young generation ...
According to this blog entry: Note that with recent JVM versions -XX:+UseParNewGC is enabled automatically when -XX:+UseConcMarkSweepGC is set. As a consequence, if parallel young …
Error java.lang.OutOfMemoryError: GC overhead limit exceeded
Sep 8, 2009 · In any case, the -XX:-UseGCOverheadLimit flag tells the VM to disable GC overhead limit checking (actually "turns it off"), whereas your -Xmx command merely increased the heap. In the …
java - Why do JVM arguments start with "-D"? - Stack Overflow
Jun 25, 2017 · To go further, not all JVM arguments start with -D. but most of them have a prefix (-D, -X, -XX) that allows in a someway to define namespaces. You have distinct categories of JVM …