We haven’t made any changes to the gc params when migrating tomcat : Please find the configurations:
Java HotSpot(TM) 64-Bit Server VM (25.241-b07) for linux-amd64 JRE (1.8.0_241-b07), built on Dec 11 2019 02:22:16 by "java_re" with gcc 7.3.0 Memory: 4k page, physical 119478416k(781944k free), swap 18862076k(13762004k free) -XX:ConcGCThreads=3 -XX:G1HeapRegionSize=8388608 -XX:G1NewSizePercent=10 -XX:G1ReservePercent=20 -XX:InitialHeapSize=23622320128 -XX:InitiatingHeapOccupancyPercent=60 -XX:MaxGCPauseMillis=100 -XX:MaxHeapSize=23622320128 -XX:MaxMetaspaceSize=268435456 -XX:MaxNewSize=14168358912 -XX:MinHeapDeltaBytes=8388608 -XX:ParallelGCThreads=6 -XX:+UnlockExperimentalVMOptions -XX:+UseCompressedClassPointers -XX:+UseCompressedOops -XX:+UseG1GC -XX:+UseGCLogFileRotation Thanks and Regards Arshiya Shariff -----Original Message----- From: Rob Sargent <rsarg...@xmission.com> Sent: 30 August 2022 18:22 To: users@tomcat.apache.org Subject: Re: Increase in GC Pause time in tomcat http2 9.0.56 On 8/30/22 06:11, Arshiya Shariff wrote: > Hi All , > We have migrated our application (which transports http/2 packets) from > embedded tomcat version 9.0.38 to 9.0.56 in production . > > We observe that , in 9.0.56 mixed GC occurs less frequently than in 9.0.38 , > but when it happens there are GC Pauses for more than 1 second , which is > causing the application to be unresponsive during that time and as a side > effect we are facing other issues like delay in WINDOW_UPDATE frames being > sent. > > Has anyone faced similar issue with increased GC Pause time ? > > Thanks and Regards > Arshiya Shariff > And no change to the JVM? --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
