Jay, We see ~20% write latency improvement on 3.0.13 in a write-heavy workload, using offheap_objects. offheap_buffers only offered minimal improvement.
On Thu, Jul 27, 2017 at 10:06 PM, Jay Zhuang <jay.zhu...@yahoo.com.invalid> wrote: > Hi Andrew, > > Do you see performance gain from reintroducing off-heap memtables for > 3.0.x? When we were on 2.2.x we saw big improvements from enabling > off-heap memtables. > > Thanks, > Jay > > On 7/27/17 9:37 PM, Andrew Whang wrote: > > I'm wondering if anyone has been able to patch CASSANDRA-9472 to 3.0, > > without breaking unit tests. The patch was introduced in 3.4, but 3.0.x > > contains unit tests and code from later 3.x releases, which makes > debugging > > unit test failures difficult - i.e. SSTableCorruptionDetectionTest, > which > > was introduced in 3.7 and is found in 3.0.14, but not in 3.4. > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@cassandra.apache.org > For additional commands, e-mail: dev-h...@cassandra.apache.org > >
