From: Jim Starkey Date: March 25 2009 3:18pm Subject: Re: why comment BUMP_INTERLOCKED(sharedCount) in SyncObject::lock? List-Archive: http://lists.mysql.com/falcon/648 Message-Id: <49CA4B41.6020607@nimbusdb.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Hu, Xuekun wrote: > Hi, Guys > > I am just curious why BUMP_INTERLOCKED(sharedCount) was commented that the shared statistics was missing. For performance or mis-functionality reason? Thanks in advance. > > Thx, Xuekun > > Probably because it was causing 100% overhead in performance. -- Jim Starkey President, NimbusDB, Inc. 978 526-1376