[ZBX-4900] slow select SQL query on Monitoring -> Dashboard Created: 2012 Apr 20  Updated: 2017 May 30  Resolved: 2012 Apr 24

Status: Closed
Project: ZABBIX BUGS AND ISSUES
Component/s: Frontend (F)
Affects Version/s: 1.8.12rc1
Fix Version/s: 2.0.0rc4

Type: Incident report Priority: Major
Reporter: Kodai Terashima Assignee: Unassigned
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Duplicate

 Description   

There is a slow query on Monitoring -> Dashboard

Time:13.607584 LONG SQL: SELECT COUNT(DISTINCT t.triggerid) as cnt FROM triggers t, functions f, items i, hosts h WHERE t.triggerid=f.triggerid AND f.itemid=i.itemid AND i.status=0 AND i.hostid=h.hostid AND h.status=0
Time:7.479625 LONG SQL: SELECT COUNT(DISTINCT t.triggerid) as cnt FROM triggers t, functions f, items i, hosts h WHERE t.triggerid=f.triggerid AND f.itemid=i.itemid AND i.status=0 AND i.hostid=h.hostid AND h.status=0 AND t.status=0
Time:1.071415 LONG SQL: SELECT COUNT(DISTINCT t.triggerid) as cnt FROM triggers t, functions f, items i, hosts h WHERE t.triggerid=f.triggerid AND f.itemid=i.itemid AND i.status=0 AND i.hostid=h.hostid AND h.status=0 AND t.status=1
Time:4.856498 LONG SQL: SELECT COUNT(DISTINCT t.triggerid) as cnt FROM triggers t, functions f, items i, hosts h WHERE t.triggerid=f.triggerid AND f.itemid=i.itemid AND i.status=0 AND i.hostid=h.hostid AND h.status=0 AND t.status=0 AND t.value=0
Time:4.508996 LONG SQL: SELECT COUNT(DISTINCT t.triggerid) as cnt FROM triggers t, functions f, items i, hosts h WHERE t.triggerid=f.triggerid AND f.itemid=i.itemid AND i.status=0 AND i.hostid=h.hostid AND h.status=0 AND t.status=0 AND t.value=2
Time:2.020471 LONG SQL: SELECT COUNT(DISTINCT i.itemid) as cnt FROM items i, hosts h WHERE i.hostid=h.hostid AND h.status=0
Time:4.234738 LONG SQL: SELECT COUNT(DISTINCT i.itemid) as cnt FROM items i, hosts h WHERE i.hostid=h.hostid AND h.status=0 AND i.status=0
Time:3.350426 LONG SQL: SELECT sum(1.0/i.delay) as qps FROM items i,hosts h WHERE i.status=0 AND i.hostid=h.hostid AND h.status=0 AND i.delay<>0



 Comments   
Comment by Alexey Fukalov [ 2012 Apr 24 ]

dev branch: svn://svn.zabbix.com/branches/dev/ZBX-4900

Comment by Toms (Inactive) [ 2012 Apr 27 ]

TESTED

Comment by Alexey Fukalov [ 2012 Apr 27 ]

svn://svn.zabbix.com/branches/1.8 27144
svn://svn.zabbix.com/trunk 27146

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