ARC Core v.1.0.0

Release Notes

What's new:

• Features
  • HED code cleaning as a preparation for Argus integration
  • Implemented full request in Argus plugin using ARC schema
  • Time resolution in HED enhanced till nanoseconds
  • HED logging framework was extended to be compatible with external log rotation solutions
  • More logging formats introduced for special cases
  • Introduced per-thread objects handling for more fine grained logging
  • Enhanced configuration framework to increase usability
  • Support for Python3000 in language bindings
  • Functionality improvements in XML handling
  • Performance enhancements of Loader module by avoiding multiple loading/scanning of same pluging
  • Added additional authorization protection in delegation interface classes
  • New implementation of file locking. Now with timeouts and owner control.
  • The nordugrid grid-update-crls security utility has been deprecated in favour of fetch-crl.
  • Performance improvements of GridFTP module

• Most important bugs:
  • Bugfixes in Argus plugin enhancing robustness
  • Run class loosing output produced by child process
  • Run class slow while running quick processes
  • Run class not behaving properly after fork()
  • HTTP class was not handling all requests
  • Proper lock around use of non-concurent thrird party libraries (like LFC, RLS)
  • MCC loading failure were not detected
  • Numerous fixes for making more features useful on Win32
  • TCP connection interrupted by POSIX signal
  • "Not implemented" error not handled properly in HTTP code
  • VOMS handling code error not handled and causes segfault
  • Utilities long options without short pair not recognised
  • Numerous code fixes to comply with more strict compilers
  • Numerous memory leaks and buffer overflow protections
  • Amount of memory for thread stacks was not estimated properly on 64-bit CPUs.
  • Detailed list of fixed bugs can be found in the ARC release notes.

Deployment notes:

• Note that this installation removes grid-crl-update and replaces it with fetch-crl and renders the nordugrid-arc-ca-utils package empty. For backward compatibility fetch-crl is enabled through cron.
• There are no changes in the HED deployment. After deploying the new version of the ARC Core, the HED can be started the usual way, no extra measures are necessary.
• There were no configuration changes since the latest release.

Known Issues

• none

List of RFCs

• Replace grid-update-crls with fetch-crl

Documentation

• Functional Description (Section "Functionality Overview")
• Software Design Description
• System Administrator Guide: WS-ARC service configuration manual

Artefacts

-- DoinaCristinaAiftimiei - 12-May-2011