We have deployed XWiki over a two-node EC2 cluster. We are using JGroups over
S3 for cluster messaging as multicast does not work in EC2.
I have noticed that if I edit a page on host A, and then refresh the same page
from host B, it shows stale content — it takes up to a minute for the caches to
sync.
Is this something others have observed when running XWiki over multiple hosts?
(I'm wondering if this is a JGroups/S3 issue)For people who are running XWiki
in a cluster, how long does it typically take for changes made from one machine
to show up in another?Are there any recommendations on how to speed up
cache-sync time between XWiki hosts on a cluster?
Also, in a cluster, is the default XWiki cache a distributed cache? Or is the
same cache content replicated across all nodes in a cluster?
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