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, …
Difference between Xms and Xmx and XX:MaxPermSize
Jul 12, 2016 · -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 This option was deprecated in JDK 8, and superseded by the -XX:MaxMetaspaceSize option.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 …
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 …
How to extract the direct facebook video url - Stack Overflow
I am trying to extract the url for facebook video file page from the facebook video link but I am not able to proceed how. For example: The facebook video url I have ...
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 …
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 …
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 …
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 …
java - Default for XX:MaxDirectMemorySize - Stack Overflow
Sep 22, 2010 · For reference, you can always print out the default and current values of all of the flags using java -XX:+PrintFlagsFinal -version. Add in | grep Direct to filter the output to show …
What exactly does -XX:-TieredCompilation do? - Stack Overflow
Aug 2, 2016 · Using java -XX:+PrintFlagsFinal I found the TieredCompilation flag, and I read about it a bit online. Yet, I still don't know exactly what happens when setting it to false. I know …