Re: [xwiki-users] Slow cache sync with JGroups / S3 in an EC2 cluster

2015-05-08 Thread vinc...@massol.net
Hi there, I don’h have experience using jgroups over s3 but a minute seems really long. When jgroups is used on a local network it’s instantaneous, there delay is so small that it’s unnoticeable. "Are there any recommendations on how to speed up cache-sync time between XWiki hosts on a cluster

[xwiki-users] Slow cache sync with JGroups / S3 in an EC2 cluster

2015-05-07 Thread Debajit Adhikary
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