John:
The patch certainly doesn't apply cleanly to 5.4. that said, there
were just a few conflicts so that part doesn't look too bad. I don't
know anyone who has actually backported it that far so it's unexplored
territory.
Note that the patch was generated for 6x which requires Java 1.8
whereas
Eric,
We're using Solr 5.5.4 and aren't really eager to change at this moment...
Off the top of your head - what probability that the patch here:
https://issues.apache.org/jira/browse/SOLR-10524
... will work in 5.5.4 with minimal difficulty?
For example, were there other classes introduced in
Thanks Eric!
It's very likely that the auto scale groups spinning up new Solrs hit
zookeeper harder than our initial deploy... Just due to the way things get
staggered during the deploy.
Unfortunately, I don't think there's a way to stagger the auto scale
group's work of bringing up Solr boxes (
John:
First place I'd look is the ZooKeeper Overseer queue. Prior to 6.6
there were some inefficiencies in how those messages were processed
and that queue would get very, very large when lots of replicas came
up all at once, and that would gum up the works. See: SOLR-10524.
The quick check would