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  1. ZABBIX BUGS AND ISSUES
  2. ZBX-6303

deadlocks in ORA-00060 in new zabbix 2.0.5 with Oracle g11r2 RAC

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Details

    • Incident report
    • Status: Closed
    • Blocker
    • Resolution: Duplicate
    • 2.0.5
    • None
    • Server (S)
    • RHEL + 2 node Oracle g11R2 RAC

    Description

      After upgrading to new 2.0.5 version we have:
      6700:20130222:031443.782 [Z3005] query failed: [-1] ORA-00060: deadlock detected while waiting for resource
      6218:20130222:031448.614 [Z3005] query failed: [-1] ORA-00060: deadlock detected while waiting for resource
      6918:20130222:031451.613 [Z3005] query failed: [-1] ORA-00060: deadlock detected while waiting for resource
      6122:20130222:031455.817 [Z3005] query failed: [-1] ORA-00060: deadlock detected while waiting for resource
      6671:20130222:031531.993 [Z3005] query failed: [-1] ORA-00060: deadlock detected while waiting for resource
      7423:20130222:031535.581 [Z3005] query failed: [-1] ORA-00060: deadlock detected while waiting for resource

      which causes to grow usage of cache write buffer and eventually to crash zabbix_server after a while (1-4h).
      I made many tests and it remains the same. When I run environment with zabbix_server 2.0.4 it is OK, but with 2.0.5 - it dies.

      Fix
      ZBX-5920 added prefetching of 2 MB of data for Oracle SQL selects
      seems to work, but I think in this fix is modification which causes above errors.

      Attachments

        1. oracle_deadlock.log
          112 kB
        2. trace.tkprof
          297 kB
        3. zabbix_ora_32204.trc
          695 kB
        4. Zabbix-ORA-00060.log
          3 kB

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              Unassigned Unassigned
              olgierdw Olgierd Wolodkiewicz
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              Dates

                Created:
                Updated:
                Resolved: