Hello! On Fri, Mar 01, 2013 at 05:41:18PM +0200, Anatoli Marinov wrote:
> Hi, > I have a strange problem with cache size on XFS. I tried to debug it and I > found something. > > First there is a test request for 1 file which is 10 MB. > In the function ngx_http_file_cache_update I have counted size 17039360 > because st_blocks = 33280, st_size = 10486040. > > After that I am trying to restart the server and cache manager add this > size for cache structure but the size is different as follow > for cache size the increment is with 10489856, st_size = 10486040, > st_blocks = 20488 > > As could be seen st_blocks is different for one and the same file. > I think the second file size is right but why the first is wrong? This is an known XFS feature, it reports preallocated blocks instead of a real size before the file is closed. Some details are here: http://trac.nginx.org/nginx/ticket/157 -- Maxim Dounin http://nginx.org/en/donation.html _______________________________________________ nginx-devel mailing list nginx-devel@nginx.org http://mailman.nginx.org/mailman/listinfo/nginx-devel
