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Jira is very slow

Hi, We have installed jira in AWS windows EC2 server where sql data base is in the same instance .  Its of i3.Xlarge 32 gb ram windows 2019 server. Its dedicated for jira alone. 

We are facing jira slowness all over the site in our jira. esp during search issues and create issues . Its taking a minute or so to complete creating new jira issue ticket. 

 Below is the  JVM statistics. Please advice what is optimal memory do i need to set?

We have only 2 main projects and one demo project. 

I really need to fix this. We have another jira server running in another VM which is working completely fine where we have 10+ project and JVM is lesser than this. 

Can you please help us? I have created support zip from jira for your reference.

Java VM Memory Statistics
Total Memory 1957 MB
Free Memory 911 MB
Used Memory 1046 MB
Memory Graph

47% Free (Total: 1957 MB) (Force garbage collection)

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Pavel Junek Community Leader Jul 14, 2021

Hi Basker,

It is usually recommended to set the minimum and maximum values for the JVM memory the same. Set both values to no more than half of the total RAM.

You have unnecessarily much RAM memory, I would say for the whole server :)

I can recommend the following documentation:

In your case (3 Jira projects and total RAM) the setting should be enough: JVM_MINIMUM_MEMORY= 4096 and JVM_MAXIMUM_MEMORY= 4096.

But this setting alone may not guarantee that Jira will be faster - the problem may be elsewhere:


@Pavel Junek Thanks let me change the JVM and to the value you said and restart the vm

@Pavel Junek This is file where I need to set values right?

C:\Program Files\Atlassian\Jira\bin\setenv.bat

Existing Value



New Values

set JVM_MINIMUM_MEMORY=4096      or  set JVM_MINIMUM_MEMORY=4096m
set JVM_MAXIMUM_MEMORY=4096      or set JVM_MAXIMUM_MEMORY=4096m  

Pavel Junek Community Leader Jul 14, 2021

Hi @Basker Ganesan,

You will only use the file setenv.bat, if you are running Jira with this file.
Because you use Windows Server, do you run Jira as a Service?

Otherwise you would have to modify the service - Control Panel > Administrative Tools > Services.

@Pavel Junek I am running jira as a windows service

Pavel Junek Community Leader Jul 15, 2021

Yeah, great.

In this case, you do not need to edit the service.bat file, but you must perform a step Window Service from Increasing JIRA application memory (Setting properties for Windows services via command line).

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