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Bug #26636

open

Slow inventory on RHEL8 / CentOS 8 : `ssh-keyscan -T 1 127.0.0.1`

Added by Michel BOUISSOU 4 months ago. Updated about 1 month ago.

Status:
Discussion
Priority:
2
Assignee:
Michel BOUISSOU
Category:
-
Target version:
8.2.8
Pull Request:
Severity:
Minor - inconvenience | misleading | easy workaround
UX impact:
User visibility:
Effort required:
Priority:
0
Name check:
To do
Fix check:
To do
Regression:
No

Description

It has been found out that « Rudder agent inventory » takes 3 minutes to run on a customer's RHEL8 nodes.

Running the inventory with -v shows that it apparently waits 3 minutes waiting for `ssh-keyscan -T 1 127.0.0.1` to complete.

The issue has been reproduced on a Centos Stream 8 node, where the inventory halts for 30 seconds at the same step.

With the same agent version, the inventory doesn't show any such issue and takes about 3 seconds to complete on Debian nodes.

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 #1

Updated by François ARMAND 4 months ago

  • Assignee set to Benoît PECCATTE
  • Priority changed from To review to 2
  • Target version changed from 8.3.0~rc1 to 8.2.6
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 #2

Updated by Vincent MEMBRÉ 2 months ago

  • Target version changed from 8.2.6 to 8.2.7
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 #3

Updated by Benoît PECCATTE about 2 months ago

This is surprising because -T 1 means timeout 1s.
How did you check that it was ssh-keyscan the culprit ?

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 #4

Updated by Vincent MEMBRÉ about 1 month ago

  • Target version changed from 8.2.7 to 8.2.8
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 #5

Updated by Benoît PECCATTE about 1 month ago

  • Status changed from New to Discussion
  • Assignee changed from Benoît PECCATTE to Michel BOUISSOU
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