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I'm trying to analyze memory usage in a Java 8 application using G1GC. After a Full GC occurred, approximately 8.8GB of objects were collected from the old generation. I have both GC logs and heap ...
Tablo_Jhin's user avatar
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We have a java app that runs on openjdk version "11.0.18" 2023-01-17 LTS and it started swapping for a few weeks. When running jcmd <PID> VM.native_memory, we get something like this: ...
Eugene's user avatar
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I have a java application running heavily groovy scripts. After running for weeks, the system encountered Full GC in every day, every time it cost about one second which is not acceptable. How can I ...
atealxt's user avatar
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1 vote
1 answer
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We have an enterprise application deployed on Wildfly. Java version used to run is 11.0.22+7-LTS. We see a weird problem in perform env. Every time we collect a live heapdump, we see a bulk of memory ...
Jay B's user avatar
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Our java Application is deployed in AWS Infra on EC2. Application running JVM Options - -Xmx51g -Xms24g -Xmn5g. with java 8 during start of the application it was using approx 30g but when migrated to ...
Rikin Baghadiya's user avatar
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Using Adoptium Temurin Java 11 and G1 GC settings of -XX:+UseG1GC -XX:+DisableExplicitGC -verbosegc -Xlog:gc*,safepoint=debug:file=${GCFILENAME}:tags,time,uptime,level:filecount=10,filesize=10M -XX:-...
Jay Turner's user avatar
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I have a few concerns about ParallelGC and its behavior in long-running systems: It seems that only Full GC can reclaim the old generation, implying that the old generation can only grow until a Full ...
WtMonster's user avatar
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My application is a typical Java web application, Java 8, using G1 GC. I have encountered a GC problem. Within 10 minutes after the application is started (when the old generation is gradually ...
hongyiheng's user avatar
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I have a project with G1.The JVM Parameters are: -Xmx12288m -Xms12288m -Xss256k -XX:G1NewSizePercent=35 -XX:G1MaxNewSizePercent=60 -XX:MaxGCPauseMillis=200 -XX:+UseG1GC -XX:-...
huangdaxian's user avatar
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I understand that G1 keeps remembered sets to keep track of pointers pointing into a region. Then I guess that it holds a forwarding table for the region being evacuated to figure out the new ...
Rookie's user avatar
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1 answer
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After Java 17 upgrade, JVM heap memory started to increase. When we check the memory metrics, sizes of the Eden Space and the Old Generation fluctuating and peak values are increasing. There seems no ...
hellzone's user avatar
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I'm using Java 17. I have a container with 2GB and run the following Java program: import java.util.*; public class Main{ public static Map<byte[], byte[]> m = new HashMap<>(); ...
Some Name's user avatar
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-1 votes
1 answer
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Our springboot app is used for get large data and compress it. so it always needs large memory.But customer's Prometheus always monitor it and send alarm to us heap memory usage rate exceeds 80%....
skycaptain's user avatar
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1 answer
241 views

Our online Kafka Broker service suddenly hung up, and it's occurs with low probability and without any time regularity. no crash, no warning, no error and no logs The command "jstack [pid]" ...
xijiu's user avatar
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0 answers
156 views

I have a backend service using G1 GC, which has started full gc so frequently after running about 2 days. the original application gc params（eliminating gc log params for better readability ）: -Xms32g ...
L.Maple's user avatar
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