Author: challngr Date: Wed Nov 13 17:10:17 2013 New Revision: 1541617 URL: http://svn.apache.org/r1541617 Log: UIMA-3293 Document restriction of FIXED jobs sometims spilling into subpools.
Modified: uima/sandbox/uima-ducc/trunk/README Modified: uima/sandbox/uima-ducc/trunk/README URL: http://svn.apache.org/viewvc/uima/sandbox/uima-ducc/trunk/README?rev=1541617&r1=1541616&r2=1541617&view=diff ============================================================================== --- uima/sandbox/uima-ducc/trunk/README (original) +++ uima/sandbox/uima-ducc/trunk/README Wed Nov 13 17:10:17 2013 @@ -110,9 +110,17 @@ and with IBM Java 6 on Linux. 6. Known problems/limitations with Release 1.0.0 ================================================ - - - +a) Chapter 13.3 States: "Because non-preemptable allocations canât be + preempeted, work submitted to a class implementing one of the non- + preemptable policies (FIXED or RESERVE) are never allowed to âsquatâ in other + nodepools and are only scheduled on nodes in their proper nodepool." + + There are some situations where in fact, FIXED jobs can be scheduled into + nodepools which are subsets of the nodepool the FIXED class is defined over. + While technically a bug, there are also use cases for this behavior, + especially on large systems. If this causes problems, usually classes + can be reconfigured to bypass the issue The behavior is to be + addressed in a future release. Crypto Notice ------------- @@ -141,4 +149,4 @@ Crypto Notice This distribution includes portions of Apache ActiveMQ, which, in turn, is classified as being controlled under ECCN 5D002. - \ No newline at end of file +