[JENKINS-42585] PluginManager uses obsolete Hashtable instead of the more efficient ConcurrentHashMap

[jenkins-infra-bot]

Placeholder issue for #2769

jimilian reported that they see a significant performance degradation of Jenkins, and this issue is one of the causes.

---

Originally reported by oleg_nenashev, imported from: PluginManager uses obsolete Hashtable instead of the more efficient ConcurrentHashMap

• assignee: jimilian
• status: Resolved
• priority: Minor
• component(s): core
• label(s): performance
• resolution: Fixed
• resolved: 2017-04-12T20:02:17+00:00
• votes: 0
• watchers: 2
• imported: 2025-11-24

Raw content of original issue

Placeholder issue for #2769

jimilian reported that they see a significant performance degradation of Jenkins, and this issue is one of the causes.

[jenkins-infra-bot]

scm_issue_link:

• Original comment link
• Raw content of original comment:

  Code changed in jenkins
  User: Akbashev Alexander
  Path:
   core/src/main/java/hudson/PluginManager.java
  http://jenkins-ci.org/commit/jenkins/22e729cc0b3d17bbee99597bdedb6a7ee571d29d
  Log:
    JENKINS-42585 - Replace Hashtable by more efficient ConcurrentHashMap (#2769)
  
  
  

Code changed in jenkins
User: Akbashev Alexander
Path:
core/src/main/java/hudson/PluginManager.java
http://jenkins-ci.org/commit/jenkins/22e729cc0b3d17bbee99597bdedb6a7ee571d29d
Log:
JENKINS-42585 - Replace Hashtable by more efficient ConcurrentHashMap (#2769)