[ACCUMULO-4790] Creating FileRef objects is expensive

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.7.3, 1.8.1
• Fix Version/s: 1.9.0
• Labels: pull-request-available
• Assignee: Keith Turner
• Reporter: Keith Turner
• Created: 29/Jan/18 15:14
• Updated: 23/Apr/19 16:13
• Resolved: 08/Feb/18 23:09

Description

While profiling tablet servers doing lots of small scans, I noticed that creating FileRef objects was very expensive.  The constructor spends a lot of time parsing the URL.  This expense could be avoided with a simple String to FileRef cache.

Issue Links

• links to: GitHub Pull Request #374