[ZBXNEXT-4914] Multiple preprocessing managers Created: 2018 Dec 13  Updated: 2018 Dec 14  Resolved: 2018 Dec 14

Status: Closed
Project: ZABBIX FEATURE REQUESTS
Component/s: Server (S)
Affects Version/s: 4.0.2
Fix Version/s: None

Type: Change Request Priority: Major
Reporter: Vladimir Vetoshkin Assignee: Unassigned
Resolution: Duplicate Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified
Environment:

Linux, Intel Xeon CPU

Issue Links:
Duplicate
duplicates ZBXNEXT-4900 Improve preprocessing performance Open

 Description   

Starting from Zabbix version 3.4.0 new preprocessing features was introduced.
On big installation (~15k NVPS) with a lots of calculated items (~1 million) we found, that preprocessing manager can process no more than 4k items/sec at 100% CPU core utilization, becoming the bottleneck of the whole system.
In this case more than one preprocessing manager required to process all load.
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