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Incident report
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Resolution: Fixed
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Trivial
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None
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3.4.3
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Team A
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Sprint 25, Sprint 26
Hello,
We just migrate from 2.4.8 to 3.4.3 and we switch from Virtual server to physical server with SAN storage for Mysql DB.
After some users connexions (Average of 17 users connected) we had slow query in related to view and widget 'Problem'
This is a kind of request taking around 30 - 40s
SELECT p.eventid,p.objectid,p.clock,p.ns FROM problem p WHERE p.source='0' AND p.object='0' AND NOT EXISTS (SELECT NULL FROM functions f,items i,hosts_groups hgg LEFT JOIN rights r ON r.id=hgg.groupid AND r.groupid IN ('58','61','70','71') WHERE p.objectid=f.triggerid AND f.itemid=i.itemid AND i.hostid=hgg.hostid GROUP BY i.hostid HAVING MA:@permission)<2 OR MIN(permission) IS NULL OR MIN(permission)=0) AND (p.r_eventid IS NULL OR p.r_clock>1509091089) ORDER BY p.eventid DESC LIMIT 1001
SELECT p.eventid,p.objectid,p.clock,p.ns FROM problem p WHERE p.source='0' AND p.object='0' AND NOT EXISTS (SELECT NULL FROM functions f,items i,hosts_groups hgg LEFT JOIN rights r ON r.id=hgg.groupid AND r.groupid IN ('23','50','67') WHERE p.objectid=f.triggerid AND f.itemid=i.itemid AND i.hostid=hgg.hostid GROUP BY i.hostid HAVING MA:@permission)<2 OR MIN(permission) IS NULL OR MIN(permission)=0) AND (p.r_eventid IS NULL OR p.r_clock>1509091078) AND p.eventid<='9851748' ORDER BY p.eventid DESC LIMIT 1001
Our Zabbix instance (32G Ram, 16Core 'E2609', 1To of SAN Drive with FC) iowait fall down to nearly 0
This zabbix instance host around :
- 900 hosts
- 100K Items
- 50K Triggers
- duplicates
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ZBX-10962 Crash/exit in poller performing ODBC and LLD after connection to Zabbix DB was lost
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- Closed
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- Closed
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- Closed
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- is duplicated by
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- Closed
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