From 4d750c3e02acd806f8db83b4737afac2110cfa0f Mon Sep 17 00:00:00 2001 From: oetiker Date: Wed, 11 Jun 2008 15:49:24 +0000 Subject: [PATCH] made news the same as the announcement git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1434 a5681a0c-68f1-0310-ab6d-d61299d08faa --- NEWS | 126 +++++++++++++++++++++++++++++++++++++------------------------------ 1 file changed, 69 insertions(+), 57 deletions(-) diff --git a/NEWS b/NEWS index ec85692..5497a67 100644 --- a/NEWS +++ b/NEWS @@ -5,89 +5,101 @@ RRDTOOL NEWS Major Changes between 1.2.x and 1.3.x ------------------------------------- -RRdtool dump / restore Incompatibilities ----------------------------------------- -rrdtool dump 1.3 does emit completely legal xml. Basically this means that -it contains an xml header and a DOCTYPE definition. Unfortunately this -causes older versions of rrdtool restore to be unhappy. - -To restore a new dump with ann old rrdtool restore version, either remove -the xml header and the doctype by hand (both on the first line of the dump) -or use rrdtool dump --no-header. - -NEW File access methods (Bernhard Fischer) -------------------- +NEW Fast file access methods (Bernhard Fischer / Tobi Oetiker) +---------------------------- * introduced file-accessor functions rrd_read/rrd_seek/rrd_write -* implemented full mmap-based file access with madvise hints for improved - scalability, much reduced memory-footprint and much less blocking on - disk -* implemented optional full file-descriptor access instead of FILE* access + +* implemented full mmap-based file access with madvise hints for + improved scalability, much reduced memory-footprint and much less + blocking while accessing the disk + +* implemented optional full file-descriptor access instead of FILE* + access NEW Graphing (Tobi Oetiker) --------- +------------ * libart has been replaced by cairo/pango + * pango markup is supported (--pango-markup) -* full gridfitting -* --graph-render-mode=mono for non antialiased graphing -*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. + +* full grid fitting + +* --graph-render-mode=mono for non anti aliased graphing + +* --font-render-mode=mono for non anti aliased fonts + +* fonts come through fontconfig, use the Pango font nameing 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 + +* TRENDNAN filter that ignores NAN values while calculating 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 behavior + * C API in-memory graphing with rrd_graph_v (Evan Miller) + * draw dashed lines in graphs (Thomas Gutzler) -* new interface graphv which returns inforamation using the rrd_info + +* new interface graphv which returns information using the rrd_info interface (Tobi Oetiker and Mark Plaksin) -* improved horizontal grid. Have a bit more grid lines and y-axis labels - while keeping them fahr enough apart to not run into each other. + +* improved horizontal grid. Have a bit more grid lines and y-axis + labels while keeping them far enough apart to not run into each + other. NEW 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. +--------------- +* 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. -* 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. +* If you create an RRD with the new MHWPREDICT function, the + resulting rrd file will be version 0004 and can only be used in + rrdtool 1.3. Rewrites -------- -* rrd_restore now uses libxml for parsing which makes things much more - tolerant towards xml variations. The old code could mostly just parse the - xml as it was output by rrdtool dump. See also: 'incompatibilities' at the - top of this document. (by Florian octo Forster) +* rrd_restore now uses libxml for parsing which makes things much + more tolerant towards xml variations. The old code could mostly + just parse the XML as it was output by rrdtool dump. See also: + the note at the bottom of this document. (by Florian octo + Forster) -* rrd_update rewritten to make it more modular. Fixed two longstanding - HW bugs in the process (Evan Miller) +* rrd_update rewritten to make it more modular. Fixed two + longstanding HW bugs in the process (Evan Miller) Internationalization (Takao Fujiwara and Tobi Oetiker) -------------------- -* The help output by rrdtool has been internationalized. There are no real - translations included with rrdtool yet, contributions are welcome. -* The internationalization will only be compiled if libintl and friends are - available on your system. Use the configure option --disable-libintl if - you want to disable this feature +* The help output by rrdtool has been internationalized. There are + no real translations included with rrdtool yet, contributions are + welcome. + +* The internationalization will only be compiled if libintl and + friends are available on your system. Use the configure option + --disable-libintl if you want to disable this feature Language Bindings ----------------- * ruby rrd_fetch will return step as a last property -- Mike Perham -* python rrdtool.info does now conform with the data structure returned - by the other language bindings. This is incompatible with the - previous (broken) version --tobi - -* python bindings got updatev support --tobi +RRDtool dump / restore incompatibility +-------------------------------------- +* rrdtool dump 1.3 does emit completely legal XML. Basically this + means that it contains an XML header and a DOCTYPE definition. + Unfortunately this causes older versions of rrdtool restore to be + unhappy. -* ruby, perl, python bindings support the new graphv interface --tobi +* To restore a new dump with an old rrdtool restore version, either + remove the XML header and the doctype by hand (both on the first + line of the dump) or use rrdtool dump --no-header. -Locale Independent Numeric 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. ###################################################################################### Major Changes between 1.0.x and 1.2.x -- 2.11.0