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Ryan McGuire edited comment on CASSANDRA-8457 at 12/12/14 3:19 PM: ------------------------------------------------------------------- [~benedict] modifying cstar_perf to run multiple instances per node is a larger task, and I'm wondering how useful that will be (seems like a lot of resource contention / non-real-world variables.) Assuming we had the alternative of 100% automated EC2 cluster bootstrapping/teardown, how often would we want to run these larger tests for it to be worth it? was (Author: enigmacurry): @Benedict modifying cstar_perf to run multiple instances per node is a larger task, and I'm wondering how useful that will be (seems like a lot of resource contention / non-real-world variables.) Assuming we had the alternative of 100% automated EC2 cluster bootstrapping/teardown, how often would we want to run these larger tests for it to be worth it? > nio MessagingService > -------------------- > > Key: CASSANDRA-8457 > URL: https://issues.apache.org/jira/browse/CASSANDRA-8457 > Project: Cassandra > Issue Type: New Feature > Components: Core > Reporter: Jonathan Ellis > Assignee: Ariel Weisberg > Labels: performance > Fix For: 3.0 > > > Thread-per-peer (actually two each incoming and outbound) is a big > contributor to context switching, especially for larger clusters. Let's look > at switching to nio, possibly via Netty. -- This message was sent by Atlassian JIRA (v6.3.4#6332)