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Getting warning message on Pmm2.7

GajendraGajendra ContributorCurrent User Role Patron
Hi Team,
We are monitoring mongoDb 4.2 by pmm2 but few warning messages are coming in log 

couldn't retrieve data from cursor connection(127.0.0.1:27017[-99]) incomplete read of message header: read tcp 127.0.0.1:36222->127.0.0.1:27017: i/o timeout #033[33m***D#033[0m=/agent_id/13fc7034-704c-4b66-be5e-e165f50480e2 #033[33mcomponent#033[0m=agent-builtin #033[33mdb#033[0m=bob-qa4 #033[33mtype#033[0m=qan_mongodb_profiler_agent

Please have a look
Thanks

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Answers

  • steve.hoffmansteve.hoffman Percona Percona Staff Role
    I saw a similar message once when I was playing with Mongo as a container instead of a bare install (I had disabled the firewall to allow me to register the exporter and then later rebooted and the rule wasn't made permanent so started blocking connection).  Looks like this is the local pmm-admin agent trying to connect for QAN data and getting denied but I'd expect to see similar entries for the mongo_exporter trying to scrape as well.  Are you able to upgrade to 2.9.1?  Getting client and server at the latest version would at least rule out something that's already been fixed in the last few releases.  
  • GajendraGajendra Contributor Current User Role Patron
    Hi Steve,
    i upgraded pmm to 2.91 but still we are having same error .

    Agent ID: /agent_id/6892b59a-e570-4d51-9ef6-d1bf9833df17
    Node ID : /node_id/21d567c4c-1d1d-4733-a1ab-70d4118b454a

    PMM Server:
            URL    : https://pmm-server-ip:443/
            Version: 2.9.1

    PMM Client:
            Connected        : true
            Time drift       : 1.476634ms
            Latency          : 1.073369ms
            pmm-admin version: 2.9.1
            pmm-agent version: 2.9.1
    Agents:
            /agent_id/6e732314-fbe8-432e-b6d3-2e5ae5c2c31d node_exporter Running
            /agent_id/70a55aa4-e80b-4bbc-a4f7-eb676b5d6d3 mongodb_profiler_agent Running
            /agent_id/d330b911-5cb4-4adf-8d53-1260ee501f14 mongodb_exporter Running

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