DMS Module Shouldn't Require Cache Module
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Key: MGNLDMS-172
URL: http://jira.magnolia-cms.com/browse/MGNLDMS-172
Project: Magnolia DMS Module
Issue Type: Improvement
Affects Versions: 1.2.8
Reporter: Sean McMains
Assignee: Philipp Bärfuss
When we ugraded from DMS version 1.2.6 to 1.2.8, a new runtime dependency was
introduced: the cache module.
Since we're using an external cache, we have not previously included the cache
module. Unfortunately, since we needed other fixes in DMS 1.2.8, leaving it out
was no longer an option for us because of the new dependency.
When we deployed the updated version of the DMS, some of our backups suddenly
started failing. As it turned out, this was due to low memory conditions caused
by the cache module's filters. (I suspect the GZIP filter was reading the whole
huge XML file into memory and trying to zip it up before sending it along.)
Removing the cache and GZIP filters has given us a viable workaround for now.
While I recognize from the diffs that the DMS module needed to be able to talk
to the cache module when it is present to ensure data gets flushed at the
appropriate time, it would be better to make that an optional dependency so
that if the cache module isn't installed, the DMS module simply doesn't try to
flush the cache data and works as it had been previous to the newer releases.
This will allow Magnolia users a maximum degree of flexibility when deciding
whether to use Magnolia's internal caching or an external solution.
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