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https://issues.apache.org/jira/browse/RANGER-4147?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17706716#comment-17706716
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Madhan Neethiraj commented on RANGER-4147:
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[~bpatel] - thanks for adding details. This is helpful. Few questions:
>> 1. We have 5 kms server and assigned 40gb heap memory.
You mentions in #2 that KMS has only 8-10 encryption keys. Why does KMS server
require 40gb of memory?
>> 2. tomcat maxConnections parameter set it to 24000 as we are 20K job per
>> day. (kms has 8-10 encryption keys only)
20k job/day - how does this translate to requiring 24k maxConnections? Doesn't
maxConnections represent number of simultaneous connections?
>> 4. Analysed the access the logs and we observed like kms is serving
>> 1200-1300 request per second.
Given this rate of requests, CPU utilization you observed (50%, occasionally
150%) seems not abnormal. Why do you think it is high?
> Ranger KMS consume 50% of CPU memory
> -------------------------------------
>
> Key: RANGER-4147
> URL: https://issues.apache.org/jira/browse/RANGER-4147
> Project: Ranger
> Issue Type: Bug
> Components: kms
> Affects Versions: 2.3.0
> Environment: secured
> Reporter: Bhavik Patel
> Priority: Critical
>
> Ranger KMS consume 50% of CPU memory and many time it consume even 150%
> cc: [~dhavalshah9131] [~kirbyzhou]
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