X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=NEWS;h=b31f0fdaf079d460feb24cb403107c4ba75a19bd;hp=8f2a87888f72312c1d29911e5b3ee929ae44ca8c;hb=fe32df5c450da4fdeed6351c97cc319b3a9d6552;hpb=c505944c63f4dbe05943c05f3b927acca9394143 diff --git a/NEWS b/NEWS index 8f2a878..b31f0fd 100644 --- a/NEWS +++ b/NEWS @@ -1,55 +1,16 @@ 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 +########################################## +Functional Changes between 1.3.x and 1.4.x +------------------------------------------ -* extended multi-part documentation +RRDcached Accelerator +--------------------- +tbd -* VDEF support; define and use variables. Find, and use, the - maximum rate seen by rrdtool; compute and show the average - -* Sliding window (trend) analysis - Compute a smoother average, for instance over the last 6 CDPs - -* 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 - -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. +* no more spaces in output +* additional option: --header {none,xsd,dtd}