1. Code Management James N. Bellinger University of Wisconsin at Madison 16 March 2011 1

2. Current Work and Plans Need to decide what sam product to provide offsite and how to help remote sites configure it dcap interface in root needs to be rebuilt; v4 built against long-obsolete dcap No SL3 machine permitted, so Mark is rebuilding root v4_00_04g on SL4 Options: rebuild 6.1.6.ml using this (only local use anyhow) New release Needs testing either way Combine 6.1.6m and patches and root v5.28.00 to make 6.2.6alpha: compiles OK Does not read files yet Combine 6.1.4mc.m and patches into 6.2.4alpha Combine 6.1.4mc.m and patches into 6.2.6alpha: under test; postponed for dcap Test 6.2.6alpha and 6.2.4alpha against gcc 4.5.1 16 March 20112

3. Root Changes in read-ahead as of v5_26 ( http://root.cern.ch/drupal/content/spin-little-disk-spin ) http://root.cern.ch/drupal/content/spin-little-disk-spin Have to deliberately enable these, uses more memory Our code crashes in MultiRootInputFile::readContentCatalog when trying to SetBasketSize Investigating 16 March 20113