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ARC 15.03 update 18
The Advanced Resource Connector (ARC) middleware is an Open Source software solution to enable distributed computing infrastructures with the emphasis on processing large volumes of data. ARC provides an abstraction layer over computational resources, complete with input and output data movement functionalities. The security model of ARC is identical to that of Grid solutions, relying on delegation of user credentials and the concept of Virtual Organisations. ARC also provides client tools, as well as API in C++, Python and Java.
This is a bugfix release, addressing bugs discovered since release 15.03u17.
There are 3 fixed bugs in this version of ARC. These involve the infoprovider, EMI-ES submission interface, and multicore jobs use of scratchdir. See more details below.
In addition memory leaks have been found and fixed, in Globus code and elsewhere in A-Rex.
NorduGrid ARC 15.03 has received an update to:
- core, clients, CE, Infosys and gridftp - from version 5.4.1 to 5.4.2
- documents - from 2.0.18 to 2.0.19
Gangliarc, Nagios plugins and metapackages are unchanged.
Find more details at http://www.nordugrid.org/arc/releases/15.03u18/release_notes_15.03u18.html
dCache 3.1.21 and dcap 2.47.12
dCache provides a system for storing and retrieving huge amounts of data, distributed among a large number of heterogeneous server nodes, under a single virtual filesystem tree with a variety of standard access methods.
dcap is a client software for interacting with dCache using the dcap protocol. This Includes POSIX-like core library and support for Kerberos and X.509-based secure communication: https://www.dcache.org/manuals/libdcap.shtml
Detailed release notes on the official product site: https://www.dcache.org/downloads/1.9/release-notes-3.1.shtml
XRootD software framework is a fully generic suite for fast, low latency and scalable data access, which can serve natively any kind of data, organized as a hierarchical filesystem-like namespace, based on the concept of directory. As a general rule, particular emphasis has been put in the quality of the core software parts.
Detailled release notes at http://xrootd.org/2017/12/14/announcement_4_8_0.html