High cpu usage and maybe memory leak

[kongminhao]

Please answer these questions before submitting your issue.

• Why do you submit this issue?
• [ X ] Question or discussion
• [ ] Bug
• [ ] Requirement
• [ ] Feature or performance improvement

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Question

• What do you want to know? I run skywalking in our uat env, cpm about 1000, It's pretty small right? I use a 4core/16G machine to deploy skywalking, when I use 2g memory, it will crash in 15min. when I use 8G memory, It will crash after one night. I want to know it normal?

23200 root 20 0 12.2g 8.7g 22m S 374.2 56.1 32:53.31 java 22170 elastics 20 0 10.3g 2.6g 206m S 3.0 17.0 40:37.98 java 24113 root 20 0 15036 1300 944 R 0.3 0.0 0:00.27 top

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Bug

• Which version of SkyWalking, OS and JRE? skywalking 6.5.0 os Red Hat Enterprise Linux Server release 6.5 (Santiago) JRE 1.8_152 I have test it on the java11, but problem as before.

• Which company or project?

• What happen? If possible, provide a way for reproducing the error. e.g. demo application, component version.

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Requirement or improvement

• Please describe about your requirements or improvement suggestions.

[wu-sheng]

Which storage are you using? If you are just using quick-start, which is a memory mode. We highlighted that in the document already.

[kongminhao]

Which storage are you using? If you are just using quick-start, which is a memory mode. We highlighted that in the document already.

but I use elasticsearch.

[wu-sheng]

Then you should analysis the memory dump file. We may could have a clue there.

[kongminhao]

Then you should analysis the memory dump file. We may could have a clue there.

thanks, I will try.