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  1. MariaDB ColumnStore
  2. MCOL-5306

Broken connections in mariadb while primary node down. failover related.

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      Description

      Cluster 3 nodes, docker compose.
      Steps to reproduce:

      • stop primary node
      • wait after failover do its stuff
      • trying to select previously existing data at new primary node failing and gives such an error in debug.log:

        tail -f /var/log/mariadb/columnstore/debug.log
        Nov 11 12:35:58 mcs2 controllernode[409]: 58.561877 |0|0|0| E 29 CAL0000: DBRM: error: SessionManager::getSystemState() failed (network)
          %%10%%
        Nov 11 12:35:59 mcs2 messagequeue[409]: 59.588469 |0|0|0| E 31 CAL0000: messageqcpp::hostnameResolver Name or service not known         %%10%%
        Nov 11 12:36:01 mcs2 messagequeue[409]: 01.642554 |0|0|0| E 31 CAL0000: messageqcpp::hostnameResolver Name or service not known         %%10%%
        

      After manual restart mariadbd there are no errors and select\insert works as expected.

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              Assignee:
              tntnatbry Gagan Goel
              Reporter:
              alan.mologorsky Alan Mologorsky
              Assigned for Review:
              Roman Roman
              Assigned for Testing:
              Daniel Lee Daniel Lee
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                Updated:
                Resolved:

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