X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=NEWS;h=2c26f685c185ac4d80dd134e3a884c5516a1006b;hp=156864e7f855a28165ec662c4145ab185ba8a7bd;hb=22424d6b1c6a14c1d919482f991427c7e43853a8;hpb=81b76ccf9449866b90a7014cf74cc1be3bbedb51 diff --git a/NEWS b/NEWS index 156864e..2c26f68 100644 --- a/NEWS +++ b/NEWS @@ -1,62 +1,20 @@ RRDTOOL NEWS ============ -Major Changes between 1.0.x and 1.2.x -Graphing --------- - -* rewritten graphics generation based on libart. - - anti-aliased output - - alpha transparency support - - truetype fonts - -* additional graphics formats: EPS, PDF, SVG - -* extended multi-part documentation -* VDEF support; define and use variables. Find, and use, the - maximum rate seen by rrdtool; compute and show the average +########################################## +Functional Changes between 1.3.x and 1.4.x +------------------------------------------ -* Sliding window (trend) analysis - Compute a smoother average, for instance over the last 6 CDPs +RRDcached Accelerator +--------------------- +tbd -* percentile (95th or other) - Remove peaks, 95 percent of all rates are at or below the - returned value - -Logging +RRDdump ------- -* a second logging interface: rrdtool updatev - Verbose updating of the database; show CPDs being created - -* Aberrant Behavior Detection with Holt-Winters Forecasting - Compare current data with expected data, detect and log when - the rates are outside expected levels - -* COMPUTE data type for artificial data-sources calculating their - input using RPN math and data from the other data-sources. - -Incompatibilities ------------------ -* Colons in COMMENT arguments to rrdtool graph must be escaped with a backslash +* no more spaces in output +* additional option: --header {none,xsd,dtd} -* the --alt-y-mrtg option is gone or rather since 1.2.7 it is back but - without functionality. - -* In pipe mode, rrdtool answers with OK only if it was successful with the - command. Otherwhise the answer will be ERROR... - - -Behind the Scenes ------------------ -* In order to support Holt-Winters and Calculated Datasources, - the rrdtool data format has changed. While the new version of rrdtool can - read files created with rrdtool 1.0.x. It is not possible to read files - created by rrdtool-1.2.x with rrdtool-1.0.x - -* External libraries are not included with rrdtool anymore. This is in line - with todays trend of using shared libraries everywhere. With the exception - of the cgi library most things required by rrdtool will be found on every recent - system. - -* Memory Mapped IO support for faster logging. +RRDgraph +-------- +* VDEF PERCENTNAN (PRECENT that ignores NAN)