Proofreadin...
1. Capitalize first letter of bullet point sentences.
2. * new TN (time now) and TMAX (timeout) allow for per-metric...
Should be:
* new TN (time now) and TMAX (timeout) allow for per-metric
live/stale determination.
3. "the SLOPE attribute will also allow for both GAUGE
and COUNTER data metrics in the near future."
I thought that SLOPE="both" was GAUGE, and SLOPE="positive" was
COUNTER. Is that right?
4. Maybe mention new disk and packet in/out metrics for Linux.
Federico
On Tuesday, September 17, 2002, at 11:09 PM, matt massie wrote:
the ganglia development group is happy to announce the release of
ganglia
2.5.0! this latest release has been in the works for over two and a
half
months with input and work from dozens of open source developers.
here is a list of what 2.5.0 delivers:
o the ganglia meta daemon (gmond) is now written in C and part of the
monitoring core distribution and:
* is multithreaded and asynchronous so transient data source
failures
have no effect on other data sources
* uses gperf perfect hash algorithms to dramatically increase the
efficiency
of parsing XML and storing data (vastly superior to the perl
gmetad)
* works with both 2.5.0 and pre-2.5.0 data sources
* much more simple and standard installation
o the PHP webfrontend now
* a new "physical view" allows you to organize your cluster display
to match each host to the appropriate rack location
* automatically separates constant metrics from volatile metrics on
the host detail page
o the ganglia XML has been enriched to export more critical information
* a new SLOPE attribute (which can be set to either "zero",
"positive", "negative", or "both") allows gmetad and the PHP
webfrontend to efficiently separate constant data metrics from
volatile ones. the SLOPE attribute will also allow for both
GAUGE
and COUNTER data metrics in the near future.
* new TN (time now) and TMAX (timeout) allow for per-metric
* the DTD has been relaxed to allow for HOSTS with no METRICS for
installations which only want heartbeat data
* a LATLONG tag allows you to identify the latitude and
longitude of each of your data sources for mapping
o complete rewrite of underlying network library by incorporating the
best that libdnet [http://libdnet.sourceforge.net/] and gnet
[http://www.gnetlibrary.org/] have to offer into the ganglia source.
* fixes bug and limitations with the old underlying network
functions
* will allow for interface autodiscovery and multiple interface
processing and multicast forwarding in future releases
o ganglia has been ported to even more platforms: Linux (i386, ia64,
sparc, alpha,
powerpc, m68k, mips, arm, hppa, s390), Solaris, FreeBSD, AIX, IRIX,
Tru64 and
Windows (beta).
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Federico
Rocks Cluster Group, Camp X-Ray, SDSC, San Diego
GPG Fingerprint: 3C5E 47E7 BDF8 C14E ED92 92BB BA86 B2E6 0390 8845
