[ZOOKEEPER-1014] DateFormat.getDateTimeInstance() is very expensive, we can cache it to improve performance

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 3.3.2
• Component/s: server
• Assignee: Unassigned
• Reporter: Xiaoming Shi
• Created: 12/Mar/11 17:42
• Updated: 15/Mar/11 03:51
• Resolved: 15/Mar/11 03:51

Description

In the file:

./zookeeper-3.3.2/src/java/main/org/apache/zookeeper/server/TraceFormatter.java

DateFormat.getDateTimeInstance() is called in the while loop. We can cache the return value, and improve performance.

This is similar to the Apache Bug https://issues.apache.org/bugzilla/show_bug.cgi?id=48778

Issue Links

• duplicates: ZOOKEEPER-1015 DateFormat.getDateTimeInstance() is very expensive, we can cache it to improve performance