Ganglia High-performance computing systems such as clusters and Grids
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monitor grid cluster monitor cluster monitor grid scalable monitoring system

Ganglia Description

High-performance computing systems such as clusters and Grids Ganglia is a scalable distributed monitoring system for high-performance computing systems such as Grids and clusters.Ganglia is based on a hierarchical design targeted at federations of clusters. It leverages widely used technologies such as XML for data representation, XDR for compact, portable data transport, and RRDtool for data storage and visualization. Ganglia uses carefully engineered data structures and algorithms to achieve very low per-node overheads and high concurrency. The implementation is robust, has been ported to an extensive set of operating systems and processor architectures, and is currently in use on thousands of clusters around the world. Ganglia has been used to link clusters across university campuses and around the world and can scale to handle clusters with 2000 nodes. What's New in This Release: · gmond/gmetad: Sync-up the default values for the cluster section of gmond with the default gmond.conf so that a cluster name will always be present. The gmetad code can not handle a host with no associated cluster, therefore the gmond code must always include a cluster XML tag. Bug #200 · gmond: Add an 'enabled' directive to the module section so that a module can easily be enabled or disabled through the configuration file · gmond: reformat memory metrics to match pre 3.1 style (REGRESSION) · gmond: -r support for transforming 2.5 configurations (REGRESSION) · gmond: add boolean option to 'allow_extra_data' generation (BUG199) · gmond: include localhost in translated (-r) trusted_hosts from 2.5 · gmetad: skip unresponsive sources (BUG92) · gmetad: CVE-2009-0241: buffer overflow in interactive port (BUG223) · libganglia: mcast_if support in gmond (BUG140) · web: add boolean option for using hostname without domainname for graphs · web: add host atrributes into metric list (BUG30) · web: metric group enhancements for host view (BUG203) · web: add option for configurable number of columns in cluster view (BUG194) · web: make number of metric columns in host view configurable (BUG194) · Allow both a C and python module to create a metric that will spoof a specific host. This provides the same spoofing functionality as gmetric but through a metric module. It is done by adding SPOOF_HOST and SPOOF_NAME as extra metadata to the metric description · gmond: mod_python support for versions older than 2.3 or newer than 2.4 · mod_python: Change the way that the python module path is added to better support the Solaris platform. It is also a cleaner way to add the python path programatically rather than altering the PYTHON_PATH environment variable. · gmetric: Support the short commandline parameter format when spoofing a heartbeat metric. (Regression fix from 3.0.x)

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