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AEM 6.5 Upgrade to 6.5.7 CFP Causing Unresponsive Instances

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sdouglasmc
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sdouglasmc
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18-12-2020

We've recently upgraded AEM from 6.5.5 to 6.5.7 (didn't install 6.5.6) - running on Ubuntu 18.04.5, Java 11.

We have been pretty consistent the last 8-9 months after making some performance adjustments in migrating from 6.3 windows to 6.5 Unbuntu.  Rarely having to restart.  However, since we've upgraded from SP 6.5.5 to 6.5.7 (we bipassed 6.5.6 - which SHOULDN'T matter), we've noticed really poor performance, author instance needing restarts nearly every 2-3 days and publish instances 5-6 days because of becoming unresponsive.  No heap dumps or OutOfMemory exceptions.

I'm just wondering if anybody else might know of any obvious reasons this could be happening before I bog myself down in a sea of heapdumps and threaddumps.

AEM 6.5.7
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kunal23
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kunal23
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18-12-2020

Can you check in the logs if there are any session leaks or if there are any slow unresponsive queries ? Do you see any errors in the logs ?  What do you see in health check dashboards ? Any patterns of high memory or CPU consumptions or disk utilizations ?