Re: G1 GC Tuning parameters

2018-08-07 Thread Shawn Heisey
On 8/4/2018 1:58 AM, Narasimha C Achi wrote: > Please find attached logs. java web services are deployed in these > servers. > > Attachment 1: shows to-space exhausted and allocation failure > > Attachment2: Log GC Pauses. > I uploaded your zipfile to http://gceasy.io for analysis. The first thin

explain high virtual memory claimed by Java process

2018-08-07 Thread Tao Mao
Hi gc exports, I have a Java application with following JVM options: "-Xms128m -Xmx256m -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=256m" When I use top to check memory usage, I got a very high virtual memory but a reasonable resident memory as below: PID USER PR NI VIRT RES SHR S %CPU %MEM TIM

Re: explain high virtual memory claimed by Java process

2018-08-07 Thread Thomas Stüfe
Hi Tao On Wed, Aug 8, 2018 at 4:40 AM, Tao Mao wrote: > Hi gc exports, > > I have a Java application with following JVM options: > "-Xms128m -Xmx256m -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=256m" > > When I use top to check memory usage, I got a very high virtual memory but a > reasonable re