[infinispan-issues] [JBoss JIRA] (ISPN-2655) Make HotRod client always read from the main data owner
Mircea Markus (JIRA)
jira-events at lists.jboss.org
Tue Dec 18 14:17:08 EST 2012
Mircea Markus created ISPN-2655:
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Summary: Make HotRod client always read from the main data owner
Key: ISPN-2655
URL: https://issues.jboss.org/browse/ISPN-2655
Project: Infinispan
Issue Type: Feature Request
Affects Versions: 5.2.0.Beta6
Reporter: Mircea Markus
Assignee: Tristan Tarrant
Fix For: 5.2.0.CR1
ISPN-2643 made the java Hot Rod client always write to the main owner. ATM the client picks a random owner for reading though. This read-load-balancing doesn't really help, as assuming the data is evenly spread, the amount of reads would be distributed uniformly across the cluster. OTOH forcing the client to always read from the main owner would guarantee red-consistency for *async* replicated caches. Even so read consistency might still be a problem when a node crashed, but still these is a much stronger guarantee and makes async replication usable in many more scenarios.
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