[ZOOKEEPER-2835] Run server with `-XX:+AlwaysPreTouch` jvm flag

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.5.3
• Component/s: server
• Labels: pull-request-available
• Assignee: Benedict Jin
• Reporter: Benedict Jin
• Created: 04/Jul/17 11:35
• Updated: 30/Jan/19 18:43

Description

Add `-XX:+AlwaysPreTouch` jvm flag for server, let jvm through demand-zeroed way to allocate memory once in place when the process started

Issue Links

• links to: GitHub Pull Request #301
• links to: GitHub Pull Request #301