[Checkins] SVN: zc.queue/trunk/src/zc/queue/_queue.py Nuke trailing whitespace.
Maurits van Rees
m.van.rees at zestsoftware.nl
Sat Dec 17 03:24:55 UTC 2011
Log message for revision 123823:
Nuke trailing whitespace.
Changed:
U zc.queue/trunk/src/zc/queue/_queue.py
-=-
Modified: zc.queue/trunk/src/zc/queue/_queue.py
===================================================================
--- zc.queue/trunk/src/zc/queue/_queue.py 2011-12-15 23:20:28 UTC (rev 123822)
+++ zc.queue/trunk/src/zc/queue/_queue.py 2011-12-17 03:24:52 UTC (rev 123823)
@@ -104,17 +104,17 @@
class CompositeQueue(Persistent):
"""Appropriate for queues that may become large.
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+
Using this queue has one advantage and two possible disadvantages.
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The advantage is that adding items to a large queue does not require
writing the entire queue out to the database, since only one or two parts
of it actually changes. This can be a win for time, memory, and database
size.
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One disadvantage is that multiple concurrent adds may intermix the adds in
a surprising way: see queue.txt for more details.
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Another possible disadvantage is that this queue does not consistently
enforce the policy that concurrent adds of the same item are not
allowed: because one instance may go in two different composite buckets,
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