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Posted to dev@lenya.apache.org by bu...@apache.org on 2007/10/31 13:20:56 UTC
DO NOT REPLY [Bug 43747] New: - Review publication cache before 2.0 release
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Summary: Review publication cache before 2.0 release
Product: Lenya
Version: Trunk
Platform: Other
OS/Version: other
Status: NEW
Severity: blocker
Priority: P2
Component: Default Publication
AssignedTo: dev@lenya.apache.org
ReportedBy: nettings@apache.org
the default publication sitemap implements its own local cache via a source
writing transformer. it is disabled by default (the match has "DISABLED"
appended). hence i'm assuming that it has seen very little testing and might not
be ready for production.
if you are using this feature, please test it, provide a status report and close
the bug. otherwise we should mark it as "untested" in the default publication.
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DO NOT REPLY [Bug 43747] - Review publication cache before 2.0 release
Posted by bu...@apache.org.
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------- Additional Comments From nettings@apache.org 2007-11-06 06:53 -------
(In reply to comment #4)
> It would be great if we could move the code to the sandbox, preferrably as a
module.
not sure. the current mechanism would require observers to page changes - do we
have those in place? and do we really want to go that way? writing by a
transformer via pipeline, deleting via a totally unrelated observation trigger?
i smell race conditions all over the place...
my preferred approach is to get the most out of ehcache and not implement a
custom method. if users need more performance, then mod_cache takes over. we
have a nice way of controlling mod_cache's behaviour via the <map:pipe
expires=""> parameter iiuc...
anyways i'll remove the code from the sitemap now. we can always dig it out of svn.
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DO NOT REPLY [Bug 43747] - Review publication cache before 2.0 release
Posted by bu...@apache.org.
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------- Additional Comments From andreas@apache.org 2007-11-06 06:36 -------
+1 to remove the caching for 2.0 and re-introduce it in 2.0.1.
It would be great if we could move the code to the sandbox, preferrably as a module.
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DO NOT REPLY [Bug 43747] - Review publication cache before 2.0 release
Posted by bu...@apache.org.
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------- Additional Comments From nettings@apache.org 2007-11-05 11:31 -------
please comment on this. if nobody speaks up in favor of the cache mechanism,
i'll try to get a vote for removal during code freeze.
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DO NOT REPLY [Bug 43747] - Review publication cache before 2.0 release
Posted by bu...@apache.org.
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------- Additional Comments From nettings@apache.org 2007-10-31 09:15 -------
the really funny thing is that we have disabled cache *reading*, but are still
doing cache writing at a huge cost: three extra transformations, one including
disk access.
how about just chucking this out? gains a performance bonus and will make the
sitemap a lot more readable.
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DO NOT REPLY [Bug 43747] - Review publication cache before 2.0 release
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------- Additional Comments From rfrovarp@apache.org 2007-11-05 11:48 -------
I'm all for speed an ease of use. If we aren't reading from the cache, we
shouldn't be writing to the cache.
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DO NOT REPLY [Bug 43747] - Review publication cache before 2.0 release
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nettings@apache.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
------- Additional Comments From nettings@apache.org 2007-11-06 07:08 -------
caching has been removed as of revision 591462
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DO NOT REPLY [Bug 43747] - Review publication cache before 2.0 release
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nettings@apache.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|2.0.1 |2.0
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