Database monitoring Connection Pool graph

What does it mean when there is a white space between the graph reporting? Occasionally Jira becomes unresponsive, would that whitespace be because jira isnt running so it isnt reporting? Is there something in a log file that I should be keyword searching for?

Any input is greatly appreciated.

jira-dm.png

1 answer

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Gaston Valente Community Champion Jul 27, 2017

Hi,

I only see this white spots spaces the application is down

I have a similar problem! but I'm sure that application was NOT down! Any other thoughts? Of course we are having high memory usage and very poor performance

Gaston Valente Community Champion Feb 06, 2018

Saba,

If you don't see any green or blue it means that there are no idle or active connections.

It is a weird condition but this can happen, maybe you can submit a formal ticket to atlassian support to get an answer.

Do you have any clue about what causes your performance issues? Maybe we can help you with that

For us, when the java garbage collection ran it killed the app which introduced that blank in the graph. We resolved it by modifying the jira service with the following options to reduce the pause of locking Jira.

-XX:+UseG1GC -XX:MaxGCPauseMillis=300

 

I agree support will be better to assist you but id check your gc logs to see if there are long pauses which would make Jira unusable during the lock.

@Saba

I'm not sure what's our issue but memory usage is high and get a lot of errors like this:

org.apache.catalina.connector.ClientAbortException: java.io.IOException: An existing connection was forcibly closed by the remote host] with root cause
java.io.IOException: An existing connection was forcibly closed by the remote host

Gaston Valente Community Champion Feb 07, 2018

Peter P,

Thanks for the Tip, i will try this!!

Gaston Valente Community Champion Feb 07, 2018

Saba,

Check this doc for tuning connections:

https://confluence.atlassian.com/adminjiraserver071/tuning-database-connections-802592189.html

Check if your setup is ok according to the doc

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