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Posted to commits@uima.apache.org by ch...@apache.org on 2013/11/13 18:10:18 UTC
svn commit: r1541617 - /uima/sandbox/uima-ducc/trunk/README
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
+