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Bug #19973

closed

Performance problem - ldap high IO read and continuous re-generation

Added by Alexis Mousset about 3 years ago. Updated over 1 year ago.

Status:
Rejected
Priority:
N/A
Assignee:
Nicolas CHARLES
Category:
Web - Config management
Target version:
old 6.2 issues to relocate
Pull Request:
Severity:
Major - prevents use of part of Rudder | no simple workaround
UX impact:
User visibility:
Operational - other Techniques | Rudder settings | Plugins
Effort required:
Priority:
0
Name check:
To do
Fix check:
To do
Regression:
No

Description

We saw this problem recently on several instances. The symptoms are:

  • Continuous reg-generation, and everything else (UI/API/etc.) is slow
  • high wait on the system
  • when looker closer, the slapd process makes a very high volume of reads

This is fixed by a restart of the slapd (and rudder-jetty) services, but happens again later.

It seems to regularly trigger at 0:00, maybe because of the daily inventory update.

Seen at least on 6.2.10.

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