PMM targets lost after some time

Percona Monitoring and Management (PMM) PMM 2.x
1

We have setup PMM server (latest docker image v2.25) ,Around a few days after all monitored hosts have been added to the server,we observe some targets becoming lost. in Inventory/Nodes we can found the nodes, but can not find in OS/Nodes Overview。
with tcpdump can detect the target’s messages have been received 。

only after restart pmm server ，the lost targets appear now。

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2

Hi sshine,

Do you see any errors in pmm-managed log?

cat /srv/logs/pmm-managed.log | grep -v INFO
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3

“Estimated clock drift” can cause the same problem

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4

no errors in the log file

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5

if “Estimated clock drift” causes the problem, how to solve it ？

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