http://www.thedwick.com/blog/2008/04/simpledateformat-performance-pig/ Technologists Who Speak Business Thu, 09 Dec 2010 20:40:23 +0000 hourly 1 http://wordpress.org/?v=3.3.1 http://www.thedwick.com/blog/2008/04/simpledateformat-performance-pig/comment-page-1/#comment-19054 vlad Wed, 04 Nov 2009 16:18:10 +0000 http://www.thedwick.com/blog/?p=131#comment-19054 note that performance is bad because SimpleDateFormat has a calendar instance as a member and it is allocation of the calendar object that is expensive. This is also why it isn't thread safe - if 2 threads change the calendar date or timezone or something at once the formats returned will be inconsistent. note that performance is bad because SimpleDateFormat has a calendar instance as a member and it is allocation of the calendar object that is expensive. This is also why it isn’t thread safe – if 2 threads change the calendar date or timezone or something at once the formats returned will be inconsistent.

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