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Incident report
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Resolution: Duplicate
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Minor
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None
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3.4.6
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None
Since upgrade from 3.4.4. to 3.4.6 history syncer generates bigger load (see screenshots)
server was restarted at 16:21
Screenshot attached
In server logs there are slowlog infor about queries like:
"select distinct itemid from trends_uint where clock>=1516057200 and (itemid between 108506 and 108533 or itemid between 108839 and 108866 or itemid in (25806,26526,33366,49452,50826,52806,52866,55326,59318,59614,61686,68286,68706,70026,70086,70116,70146,70272,78145,80732,82761,82767,102354,102359,108501,108502,108503,108535,108834,108835,108836,108868,174126,186126,193236,200754,201066,244731,255343,300306,312666))"
besides zabbix upgrade no changes was made on the server and storage
- caused by
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ZBXNEXT-4002 Implement REST API history service calls in server (PoC for Elastic)
- Closed
- duplicates
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ZBX-13343 Performance issue with history syncer since at least 3.4.5
- Closed