Carl Trieloff wrote:

Two comments,

In terms of clustering, M4 is quite old and there are a lot of fixes on trunk, soon to be 0.5 This
would be the better location to work from for clustering

To the second question, if the AIS multicast network backs up, it will push back on producers.

There have been a lot of changes in the clustering, particularly in the area of flow control. I'd suggest first moving to the latest trunk and then see where you are from there.

In particular, pushing back on producers is one of the things added since December. qpidd now sets a limit on the amount of data "in transit" thru openais per connection so it can match the read rate from qpid producers to the rate thru openais. openais itself has had recent fixes in this area also, so update that as well.

Adam Chase wrote:
I may be reading this wrong, but can't the servers slow down if the
replication is lagging too much?

Not entirely sure what you mean, did my comment above answer this?


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