Hi there, Not tried multi-RS on a single node, but have you looked at the off-heap cache? It's a part of 0.92.x. From what I understand that feature was designed with this case in mind (I.e., trying to do a lot of caching, but don't want to introduce GC issues in RS).
https://issues.apache.org/jira/browse/HBASE-4027 On 12/3/12 4:39 PM, "Ishan Chhabra" <ichha...@rocketfuel.com> wrote: >Hi, >Has anybody tried to run multiple RegionServers on a single physical >node? Are there deep technical issues or minor impediments that would >hinder this? > >We are trying to do this because we are facing a lot of GC pauses on the >large heap sizes (~70G) that we are using, which leads to a lot of >timeouts >in our latency critical application. More processes with smaller heaps >would help in mitigating this issue. > >Any experience or thoughts on this would help. >Thanks! > >-- >*Ishan Chhabra *| Rocket Scientist | Rocketfuel Inc. | *m *650 556 6803
