X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=NEWS;h=32ff16e7bd3d22b6c42ef8f76ce82e9a7fd28c26;hp=32ee7d42543c6a7d9608bc12bfe394152300030e;hb=299d1636596a1911659e0a53bfad5c47e72835e0;hpb=2815c8a96b82730e41cebf8a5065e00666c560b8 diff --git a/NEWS b/NEWS index 32ee7d4..32ff16e 100644 --- a/NEWS +++ b/NEWS @@ -2,7 +2,10 @@ RRDTOOL NEWS ============ Major Changes between 1.2.x and 1.3.x -File access methods +see http://oss.oetiker.ch/rrdtool-trac/wiki/RRDtool13 +for up to date information + +File access methods (Bernhard Fischer) ------------------- * introduced file-accessor functions rrd_read/rrd_seek/rrd_write * implemented full mmap-based file access with madvise hints for improved @@ -10,11 +13,43 @@ File access methods disk * implemented optional full file-descriptor access instead of FILE* access -Graphing +Graphing (Tobi Oetiker) -------- * libart has been replaced by cairo/pango * pango markup is supported -* full gridfitting +* full gridfitting +* --graph-render-mode=mono for non antialiased graphing +* --font-render-mode=mono for non antialiased fonts +* fonts come through fontconfig, use the Pango fontnameing + scheme -> 'Times 20' ... it is not possible to use + truetype fonts directly anymore. +* Tabs are position independent. +* TRENDNAN filter that ignores NAN values while caculating the TREND data. (Timo Stripf) +* --full-size-mode to specify the outer border of the image and not just of the graphing canvas (Matthew Chambers) +* TEXTALIGN command to alter default text alignment behaviour +* C API supports in-memory graphing with rrd_graph_in_memory (Evan Miller) +* draw dashed lines in graphs (Thomas Gutzler) + +Forecasting (Evan Miller) +----------- +* the new MHWPREDICT consolidation function uses a variation of the Holt-Winters + method. It is a drop-in replacement for HWPREDICT, and is better suited for + data whose seasonal variations grow or shrink in proportion to the average. + +Misc +---- +* ruby rrd_fetch will return step as a last property -- Mike Perham + +Incompatibility +--------------- +* If you create an RRD with the new MHWPREDICT function, the resulting rrdfile will + be version 0004 and can only be used in rrdtool 1.3. + +Locale Independent Input +------------------------ +* Regardles of locale you are in, rrdtool always expects input to be numbers (LC_NUMERIC) + in C or POSIX locale for numbers. (not 1,1 but 1.1) this is necessary to make + things like RPN work as it uses , as a separator. RRDTOOL NEWS ============